diff --git a/packages/database-next/src/__tests__/collection-importer.test.ts b/packages/database-next/src/__tests__/collection-importer.test.ts
new file mode 100644
index 000000000..9c0310007
--- /dev/null
+++ b/packages/database-next/src/__tests__/collection-importer.test.ts
@@ -0,0 +1,24 @@
+import { ImporterReader } from '../collection-importer';
+import * as path from 'path';
+import { extend } from '../database';
+import { mockDatabase } from './index';
+
+describe('collection importer', () => {
+  test('import reader', async () => {
+    const reader = new ImporterReader(
+      path.resolve(__dirname, './fixtures/collections'),
+    );
+
+    const modules = await reader.read();
+    expect(modules).toBeDefined();
+  });
+
+  test('extend', async () => {
+    const extendObject = extend({
+      name: 'tags',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    expect(extendObject).toHaveProperty('extend');
+  });
+});
diff --git a/packages/database-next/src/__tests__/collection.test.ts b/packages/database-next/src/__tests__/collection.test.ts
new file mode 100644
index 000000000..3a596fbe4
--- /dev/null
+++ b/packages/database-next/src/__tests__/collection.test.ts
@@ -0,0 +1,234 @@
+import { generatePrefixByPath, mockDatabase } from './index';
+import { Collection } from '../collection';
+import { Database } from '../database';
+
+test('new collection', async () => {
+  const db = mockDatabase();
+  const collection = new Collection(
+    {
+      name: 'test',
+    },
+    { database: db },
+  );
+
+  expect(collection.name).toEqual('test');
+});
+
+test('collection create field', async () => {
+  const db = mockDatabase();
+  const collection = new Collection(
+    {
+      name: 'user',
+    },
+    { database: db },
+  );
+
+  collection.addField('age', {
+    type: 'integer',
+  });
+
+  const ageField = collection.getField('age');
+  expect(ageField).toBeDefined();
+  expect(collection.hasField('age')).toBeTruthy();
+  expect(collection.hasField('test')).toBeFalsy();
+
+  collection.removeField('age');
+  expect(collection.hasField('age')).toBeFalsy();
+});
+
+test('collection set fields', () => {
+  const db = mockDatabase();
+  const collection = new Collection(
+    {
+      name: 'user',
+    },
+    { database: db },
+  );
+
+  collection.setFields([{ type: 'string', name: 'firstName' }]);
+  expect(collection.hasField('firstName')).toBeTruthy();
+});
+
+describe('collection sync', () => {
+  let db: Database;
+
+  beforeEach(() => {
+    db = mockDatabase();
+  });
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  test('sync fields', async () => {
+    const collection = new Collection(
+      {
+        name: 'users',
+      },
+      { database: db },
+    );
+
+    collection.setFields([
+      { type: 'string', name: 'firstName' },
+      { type: 'string', name: 'lastName' },
+      { type: 'integer', name: 'age' },
+    ]);
+
+    await collection.sync();
+    const tableFields = await (<any>(
+      collection.model
+    )).queryInterface.describeTable(`${generatePrefixByPath()}_users`);
+
+    expect(tableFields).toHaveProperty('firstName');
+    expect(tableFields).toHaveProperty('lastName');
+    expect(tableFields).toHaveProperty('age');
+  });
+
+  test('sync with association not exists', async () => {
+    const collection = new Collection(
+      {
+        name: 'posts',
+        fields: [
+          { type: 'string', name: 'title' },
+          { type: 'belongsTo', name: 'users' },
+        ],
+      },
+      { database: db },
+    );
+
+    await collection.sync();
+
+    const model = collection.model;
+
+    const tableFields = await (<any>model).queryInterface.describeTable(
+      `${generatePrefixByPath()}_posts`,
+    );
+
+    expect(tableFields['user_id']).toBeUndefined();
+  });
+
+  test('sync with association', async () => {
+    new Collection(
+      {
+        name: 'tags',
+        fields: [{ type: 'string', name: 'name' }],
+      },
+      { database: db },
+    );
+
+    const collection = new Collection(
+      {
+        name: 'posts',
+        fields: [
+          { type: 'string', name: 'title' },
+          { type: 'belongsToMany', name: 'tags' },
+        ],
+      },
+      {
+        database: db,
+      },
+    );
+
+    const model = collection.model;
+    await collection.sync();
+    const tableFields = await (<any>model).queryInterface.describeTable(
+      `${generatePrefixByPath()}_posts_tags`,
+    );
+    expect(tableFields['postId']).toBeDefined();
+    expect(tableFields['tagId']).toBeDefined();
+  });
+});
+
+test('update collection field', async () => {
+  const db = mockDatabase();
+
+  const collection = new Collection(
+    {
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    },
+    {
+      database: db,
+    },
+  );
+  expect(collection.hasField('title')).toBeTruthy();
+
+  collection.updateField('title', {
+    type: 'string',
+    name: 'content',
+  });
+
+  expect(collection.hasField('title')).toBeFalsy();
+  expect(collection.hasField('content')).toBeTruthy();
+});
+
+test.skip('update collection options', async () => {
+  const db = mockDatabase();
+  const collection = new Collection(
+    {
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    },
+    {
+      database: db,
+    },
+  );
+
+  expect(collection.model.getTableName()).toEqual(
+    `${generatePrefixByPath()}_posts`,
+  );
+
+  collection.updateOptions({
+    name: 'articles',
+  });
+
+  expect(collection.model.getTableName()).toEqual(
+    `${generatePrefixByPath()}_articles`,
+  );
+});
+
+test('collection with association', async () => {
+  const db = mockDatabase();
+  const User = db.collection({
+    name: 'users',
+    fields: [
+      { type: 'string', name: 'name' },
+      { type: 'integer', name: 'age' },
+      { type: 'hasMany', name: 'posts' },
+    ],
+  });
+
+  const Post = db.collection({
+    name: 'posts',
+    fields: [
+      { type: 'string', name: 'title' },
+      { type: 'string', name: 'content' },
+      {
+        type: 'belongsTo',
+        name: 'user',
+      },
+      {
+        type: 'hasMany',
+        name: 'comments',
+      },
+    ],
+  });
+
+  const Comment = db.collection({
+    name: 'comments',
+    fields: [
+      { type: 'string', name: 'content' },
+      { type: 'string', name: 'comment_as' },
+      { type: 'belongsTo', name: 'post' },
+    ],
+  });
+
+  expect(User.model.associations['posts']).toBeDefined();
+  expect(Post.model.associations['comments']).toBeDefined();
+
+  expect(
+    User.model.associations['posts'].target.associations['comments'],
+  ).toBeDefined();
+
+  await db.close();
+});
diff --git a/packages/database-next/src/__tests__/database.import.test.ts b/packages/database-next/src/__tests__/database.import.test.ts
new file mode 100644
index 000000000..f7ba9c5c7
--- /dev/null
+++ b/packages/database-next/src/__tests__/database.import.test.ts
@@ -0,0 +1,23 @@
+import { mockDatabase } from './index';
+import path from 'path';
+
+describe('database', () => {
+  test('import', async () => {
+    const db = mockDatabase();
+    await db.import({
+      directory: path.resolve(__dirname, './fixtures/c0'),
+    });
+    await db.import({
+      directory: path.resolve(__dirname, './fixtures/c1'),
+    });
+    await db.import({
+      directory: path.resolve(__dirname, './fixtures/c2'),
+    });
+
+    const test = db.getCollection('tests');
+
+    expect(test.getField('n0')).toBeDefined();
+    expect(test.getField('n1')).toBeDefined();
+    expect(test.getField('n2')).toBeDefined();
+  });
+});
diff --git a/packages/database-next/src/__tests__/database.test.ts b/packages/database-next/src/__tests__/database.test.ts
new file mode 100644
index 000000000..93cd23b2a
--- /dev/null
+++ b/packages/database-next/src/__tests__/database.test.ts
@@ -0,0 +1,206 @@
+import { mockDatabase } from './index';
+import path from 'path';
+
+describe('database', () => {
+  test('import', async () => {
+    const db = mockDatabase();
+    await db.import({
+      directory: path.resolve(__dirname, './fixtures/collections'),
+    });
+
+    expect(db.getCollection('posts')).toBeDefined();
+    expect(db.getCollection('users')).toBeDefined();
+    expect(db.getCollection('tags')).toBeDefined();
+
+    const tagCollection = db.getCollection('tags');
+
+    // extend field
+    expect(tagCollection.fields.has('color')).toBeTruthy();
+    expect(tagCollection.fields.has('color2')).toBeTruthy();
+    expect(tagCollection.fields.has('name')).toBeTruthy();
+
+    // delay extend
+    expect(db.getCollection('images')).toBeUndefined();
+
+    db.collection({
+      name: 'images',
+      fields: [{ type: 'string', name: 'name' }],
+    });
+
+    const imageCollection = db.getCollection('images');
+
+    expect(imageCollection).toBeDefined();
+    expect(imageCollection.fields.has('name')).toBeTruthy();
+    expect(imageCollection.fields.has('url')).toBeTruthy();
+    expect(imageCollection.fields.has('url2')).toBeTruthy();
+  });
+
+  test('hasMany with inverse belongsTo relation', async () => {
+    const db = mockDatabase();
+    const UserCollection = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    const PostCollection = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    expect(UserCollection.model.associations.posts).toBeDefined();
+    expect(PostCollection.model.associations.user).toBeDefined();
+  });
+
+  test('belongsTo with inverse hasMany relation', async () => {
+    const db = mockDatabase();
+    const UserCollection = db.collection({
+      name: 'users',
+      fields: [{ type: 'string', name: 'name' }],
+    });
+
+    const PostCollection = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'belongsTo', name: 'user' },
+      ],
+    });
+
+    expect(PostCollection.model.associations.user).toBeDefined();
+    expect(UserCollection.model.associations.posts).toBeDefined();
+  });
+
+  test('get collection', async () => {
+    const db = mockDatabase();
+    expect(db.getCollection('test')).toBeUndefined();
+    expect(db.hasCollection('test')).toBeFalsy();
+    db.collection({
+      name: 'test',
+    });
+
+    expect(db.getCollection('test')).toBeDefined();
+    expect(db.hasCollection('test')).toBeTruthy();
+  });
+
+  test('collection beforeBulkCreate event', async () => {
+    const db = mockDatabase();
+    const listener = jest.fn();
+
+    db.on('posts.beforeBulkUpdate', listener);
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    await db.sync();
+
+    await Post.repository.create({
+      values: {
+        title: 'old',
+      },
+    });
+
+    await Post.model.update(
+      {
+        title: 'new',
+      },
+      {
+        where: {
+          title: 'old',
+        },
+      },
+    );
+    expect(listener).toHaveBeenCalled();
+  });
+
+  test('global model event', async () => {
+    const db = mockDatabase();
+    const listener = jest.fn();
+    const listener2 = jest.fn();
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    await db.sync();
+
+    db.on('afterCreate', listener);
+    db.on('posts.afterCreate', listener2);
+
+    await Post.repository.create({
+      values: {
+        title: 'test',
+      },
+    });
+
+    expect(listener).toHaveBeenCalledTimes(1);
+    expect(listener2).toHaveBeenCalledTimes(1);
+  });
+
+  test('collection multiple model event', async () => {
+    const db = mockDatabase();
+    const listener = jest.fn();
+    const listener2 = jest.fn();
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    await db.sync();
+
+    db.on('posts.afterCreate', listener);
+    db.on('posts.afterCreate', listener2);
+
+    await Post.repository.create({
+      values: {
+        title: 'test',
+      },
+    });
+
+    expect(listener).toHaveBeenCalledTimes(1);
+    expect(listener2).toHaveBeenCalledTimes(1);
+  });
+
+  test('collection afterCreate model event', async () => {
+    const db = mockDatabase();
+    const postAfterCreateListener = jest.fn();
+
+    db.on('posts.afterCreate', postAfterCreateListener);
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    await db.sync();
+
+    await Post.repository.create({
+      values: {
+        title: 'test',
+      },
+    });
+
+    await Post.repository.find();
+
+    expect(postAfterCreateListener).toHaveBeenCalled();
+  });
+
+  test('collection event', async () => {
+    const db = mockDatabase();
+    const listener = jest.fn();
+    db.on('beforeDefineCollection', listener);
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'string', name: 'title' }],
+    });
+
+    expect(listener).toHaveBeenCalled();
+  });
+});
diff --git a/packages/database-next/src/__tests__/fields/belongs-to-field.test.ts b/packages/database-next/src/__tests__/fields/belongs-to-field.test.ts
index f17fe8428..abc468682 100644
--- a/packages/database-next/src/__tests__/fields/belongs-to-field.test.ts
+++ b/packages/database-next/src/__tests__/fields/belongs-to-field.test.ts
@@ -31,9 +31,7 @@ describe('belongs to field', () => {
     expect(Comment.model.associations.post).toBeUndefined();
     const Post = db.collection({
       name: 'posts',
-      fields: [
-        { type: 'string', name: 'title' },
-      ],
+      fields: [{ type: 'string', name: 'title' }],
     });
     const association = Comment.model.associations.post;
     expect(Comment.model.associations.post).toBeDefined();
@@ -51,7 +49,7 @@ describe('belongs to field', () => {
       title: 'title222',
     });
     const post = await Post.model.create<any>({
-      title: 'title111'
+      title: 'title111',
     });
     await comment.setPost(post);
     const post2 = await comment.getPost();
@@ -63,9 +61,7 @@ describe('belongs to field', () => {
   it('custom targetKey and foreignKey', async () => {
     const Post = db.collection({
       name: 'posts',
-      fields: [
-        { type: 'string', name: 'key', unique: true },
-      ],
+      fields: [{ type: 'string', name: 'key', unique: true }],
     });
     const Comment = db.collection({
       name: 'comments',
@@ -103,9 +99,7 @@ describe('belongs to field', () => {
     expect(Comment.model.associations.article).toBeUndefined();
     const Post = db.collection({
       name: 'posts',
-      fields: [
-        { type: 'string', name: 'key', unique: true },
-      ],
+      fields: [{ type: 'string', name: 'key', unique: true }],
     });
     const association = Comment.model.associations.article;
     expect(Comment.model.associations.article).toBeDefined();
@@ -123,7 +117,7 @@ describe('belongs to field', () => {
       key: 'title222',
     });
     const post = await Post.model.create<any>({
-      key: 'title111'
+      key: 'title111',
     });
     await comment.setArticle(post);
     const post2 = await comment.getArticle();
@@ -148,4 +142,21 @@ describe('belongs to field', () => {
     Post.removeField('comments');
     expect(Comment.model.rawAttributes.postId).toBeUndefined();
   });
+
+  it('has inverse field', async () => {
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'hasMany', name: 'comments' }],
+    });
+
+    const Comment = db.collection({
+      name: 'comments',
+      fields: [{ type: 'belongsTo', name: 'post' }],
+    });
+
+    const belongsToField = Comment.fields.get('post');
+    expect(belongsToField).toBeDefined();
+    const association = Post.model.associations;
+    expect(association['comments']).toBeDefined();
+  });
 });
diff --git a/packages/database-next/src/__tests__/fields/belongs-to-many-field.test.ts b/packages/database-next/src/__tests__/fields/belongs-to-many-field.test.ts
index 4301610be..fd4237c29 100644
--- a/packages/database-next/src/__tests__/fields/belongs-to-many-field.test.ts
+++ b/packages/database-next/src/__tests__/fields/belongs-to-many-field.test.ts
@@ -12,7 +12,7 @@ describe('belongs to many field', () => {
     await db.close();
   });
 
-  it('association undefined', async () => {
+  test('association undefined', async () => {
     const Post = db.collection({
       name: 'posts',
       fields: [
@@ -20,22 +20,41 @@ describe('belongs to many field', () => {
         { type: 'belongsToMany', name: 'tags' },
       ],
     });
+
     expect(Post.model.associations.tags).toBeUndefined();
     expect(db.getCollection('posts_tags')).toBeUndefined();
+
     const Tag = db.collection({
       name: 'tags',
-      fields: [
-        { type: 'string', name: 'name' },
-      ],
+      fields: [{ type: 'string', name: 'name' }],
     });
     expect(Post.model.associations.tags).toBeDefined();
     const Through = db.getCollection('posts_tags');
     expect(Through).toBeDefined();
+
     expect(Through.model.rawAttributes['postId']).toBeDefined();
     expect(Through.model.rawAttributes['tagId']).toBeDefined();
-    const PostTag = db.collection({
-      name: 'posts_tags',
+  });
+
+  test('redefine collection', () => {
+    const Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'belongsToMany', name: 'tags' },
+      ],
     });
+
+    expect(Post.model.associations.tags).toBeUndefined();
+    expect(db.getCollection('posts_tags')).toBeUndefined();
+
+    const Tag = db.collection({
+      name: 'tags',
+      fields: [{ type: 'string', name: 'name' }],
+    });
+
+    const PostTag = db.collection({ name: 'posts_tags' });
+
     expect(PostTag.model.rawAttributes['postId']).toBeDefined();
     expect(PostTag.model.rawAttributes['tagId']).toBeDefined();
   });
diff --git a/packages/database-next/src/__tests__/fields/sort-field.test.ts b/packages/database-next/src/__tests__/fields/sort-field.test.ts
index 637644623..e4ac3d5cc 100644
--- a/packages/database-next/src/__tests__/fields/sort-field.test.ts
+++ b/packages/database-next/src/__tests__/fields/sort-field.test.ts
@@ -8,7 +8,7 @@ describe('string field', () => {
   beforeEach(() => {
     db = mockDatabase();
     db.registerFieldTypes({
-      sort: SortField
+      sort: SortField,
     });
   });
 
@@ -19,9 +19,7 @@ describe('string field', () => {
   it('sort', async () => {
     const Test = db.collection({
       name: 'tests',
-      fields: [
-        { type: 'sort', name: 'sort' },
-      ],
+      fields: [{ type: 'sort', name: 'sort' }],
     });
     await db.sync();
     const test1 = await Test.model.create<any>();
@@ -35,9 +33,7 @@ describe('string field', () => {
   it('skip if sort value not empty', async () => {
     const Test = db.collection({
       name: 'tests',
-      fields: [
-        { type: 'sort', name: 'sort' },
-      ],
+      fields: [{ type: 'sort', name: 'sort' }],
     });
     await db.sync();
     const test1 = await Test.model.create<any>({ sort: 3 });
@@ -66,5 +62,4 @@ describe('string field', () => {
     expect(t3.get('sort')).toBe(1);
     expect(t4.get('sort')).toBe(2);
   });
-
 });
diff --git a/packages/database-next/src/__tests__/fields/string-field.test.ts b/packages/database-next/src/__tests__/fields/string-field.test.ts
index 817fffedc..293e83dbb 100644
--- a/packages/database-next/src/__tests__/fields/string-field.test.ts
+++ b/packages/database-next/src/__tests__/fields/string-field.test.ts
@@ -15,9 +15,7 @@ describe('string field', () => {
   it('define', async () => {
     const Test = db.collection({
       name: 'tests',
-      fields: [
-        { type: 'string', name: 'name' },
-      ],
+      fields: [{ type: 'string', name: 'name' }],
     });
     await db.sync();
     expect(Test.model.rawAttributes['name']).toBeDefined();
@@ -32,13 +30,13 @@ describe('string field', () => {
   it('set', async () => {
     const Test = db.collection({
       name: 'tests',
-      fields: [
-        { type: 'string', name: 'name1' },
-      ],
+      fields: [{ type: 'string', name: 'name1' }],
     });
     await db.sync();
-    Test.addField({ type: 'string', name: 'name2' });
-    await db.sync();
+    Test.addField('name2', { type: 'string', name: 'name2' });
+    await db.sync({
+      alter: true,
+    });
     expect(Test.model.rawAttributes['name1']).toBeDefined();
     expect(Test.model.rawAttributes['name2']).toBeDefined();
     const model = await Test.model.create({
@@ -54,9 +52,7 @@ describe('string field', () => {
   it('model hook', async () => {
     const collection = db.collection({
       name: 'tests',
-      fields: [
-        { type: 'string', name: 'name' },
-      ],
+      fields: [{ type: 'string', name: 'name' }],
     });
     await db.sync();
     collection.model.beforeCreate((model) => {
@@ -65,8 +61,10 @@ describe('string field', () => {
         model.set(name, `${model.get(name)}111`);
       }
     });
-    collection.addField({ type: 'string', name: 'name2' });
-    await db.sync();
+    collection.addField('name2', { type: 'string', name: 'name2' });
+    await db.sync({
+      alter: true,
+    });
     const model = await collection.model.create({
       name: 'n1',
       name2: 'n2',
diff --git a/packages/database-next/src/__tests__/filter-parser.test.ts b/packages/database-next/src/__tests__/filter-parser.test.ts
new file mode 100644
index 000000000..9f6453498
--- /dev/null
+++ b/packages/database-next/src/__tests__/filter-parser.test.ts
@@ -0,0 +1,114 @@
+import { mockDatabase } from './index';
+import FilterParser from '../filter-parser';
+import { Op } from 'sequelize';
+import { Database } from '../database';
+
+test('filter item by string', async () => {
+  const database = mockDatabase();
+  const UserCollection = database.collection({
+    name: 'users',
+    fields: [{ type: 'string', name: 'name' }],
+  });
+
+  await database.sync();
+
+  const filterParser = new FilterParser(
+    UserCollection.model,
+    UserCollection.context.database,
+    {
+      name: 'hello',
+    },
+  );
+
+  const filterParams = filterParser.toSequelizeParams();
+
+  expect(filterParams).toMatchObject({
+    where: {
+      name: 'hello',
+    },
+  });
+
+  await database.close();
+});
+
+describe('filter by related', () => {
+  let db: Database;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        {
+          type: 'hasMany',
+          name: 'comments',
+        },
+      ],
+    });
+
+    db.collection({
+      name: 'comments',
+      fields: [
+        { type: 'string', name: 'content' },
+        {
+          type: 'belongsTo',
+          name: 'post',
+        },
+      ],
+    });
+
+    await db.sync();
+  });
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  test('hasMany', async () => {
+    const filter = {
+      'posts.title.$iLike': '%hello%',
+    };
+
+    const filterParser = new FilterParser(
+      db.getCollection('users').model,
+      db.getCollection('users').context.database,
+      filter,
+    );
+
+    const filterParams = filterParser.toSequelizeParams();
+
+    expect(filterParams.where['$posts.title$'][Op.iLike]).toEqual('%hello%');
+    expect(filterParams.include[0]['association']).toEqual('posts');
+  });
+
+  test('belongsTo', async () => {
+    const filter = {
+      'posts.comments.content.$iLike': '%hello%',
+    };
+
+    const filterParser = new FilterParser(
+      db.getCollection('users').model,
+      db.getCollection('users').context.database,
+      filter,
+    );
+
+    const filterParams = filterParser.toSequelizeParams();
+
+    expect(filterParams.where['$posts.comments.content$'][Op.iLike]).toEqual(
+      '%hello%',
+    );
+    expect(filterParams.include[0]['association']).toEqual('posts');
+    expect(filterParams.include[0]['include'][0]['association']).toEqual(
+      'comments',
+    );
+  });
+});
diff --git a/packages/database-next/src/__tests__/fixtures/c0/a.ts b/packages/database-next/src/__tests__/fixtures/c0/a.ts
new file mode 100644
index 000000000..668dd4fc2
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/c0/a.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'tests',
+  fields: [{ type: 'string', name: 'n0' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/c1/b.ts b/packages/database-next/src/__tests__/fixtures/c1/b.ts
new file mode 100644
index 000000000..fb88fac43
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/c1/b.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'tests',
+  fields: [{ type: 'string', name: 'n1' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/c2/a.ts b/packages/database-next/src/__tests__/fixtures/c2/a.ts
new file mode 100644
index 000000000..fdd619202
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/c2/a.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default {
+  name: 'tests',
+  fields: [{ type: 'string', name: 'n2' }],
+};
diff --git a/packages/database-next/src/__tests__/fixtures/collections/delay-extend.ts b/packages/database-next/src/__tests__/fixtures/collections/delay-extend.ts
new file mode 100644
index 000000000..7d53adcff
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/delay-extend.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'images',
+  fields: [{ type: 'string', name: 'url' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/collections/delay-extend2.ts b/packages/database-next/src/__tests__/fixtures/collections/delay-extend2.ts
new file mode 100644
index 000000000..97d36b26d
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/delay-extend2.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'images',
+  fields: [{ type: 'string', name: 'url2' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/collections/extend.ts b/packages/database-next/src/__tests__/fixtures/collections/extend.ts
new file mode 100644
index 000000000..19f976170
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/extend.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'tags',
+  fields: [{ type: 'string', name: 'color' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/collections/extend2.ts b/packages/database-next/src/__tests__/fixtures/collections/extend2.ts
new file mode 100644
index 000000000..35f8dc050
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/extend2.ts
@@ -0,0 +1,6 @@
+import { extend } from '../../../database';
+
+export default extend({
+  name: 'tags',
+  fields: [{ type: 'string', name: 'color2' }],
+});
diff --git a/packages/database-next/src/__tests__/fixtures/collections/posts.ts b/packages/database-next/src/__tests__/fixtures/collections/posts.ts
new file mode 100644
index 000000000..eb99a4920
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/posts.ts
@@ -0,0 +1,4 @@
+export default {
+  name: 'posts',
+  fields: [{ type: 'string', name: 'title' }],
+};
diff --git a/packages/database-next/src/__tests__/fixtures/collections/tags.js b/packages/database-next/src/__tests__/fixtures/collections/tags.js
new file mode 100644
index 000000000..c9e4cef08
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/tags.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: 'tags',
+  fields: [{ type: 'string', name: 'name' }],
+};
diff --git a/packages/database-next/src/__tests__/fixtures/collections/test.jpg b/packages/database-next/src/__tests__/fixtures/collections/test.jpg
new file mode 100644
index 000000000..e69de29bb
diff --git a/packages/database-next/src/__tests__/fixtures/collections/user.json b/packages/database-next/src/__tests__/fixtures/collections/user.json
new file mode 100644
index 000000000..0a8056d85
--- /dev/null
+++ b/packages/database-next/src/__tests__/fixtures/collections/user.json
@@ -0,0 +1,9 @@
+{
+  "name": "users",
+  "fields": [
+    {
+      "type": "string",
+      "name": "name"
+    }
+  ]
+}
diff --git a/packages/database-next/src/__tests__/index.ts b/packages/database-next/src/__tests__/index.ts
index bc70cdd80..a702c8949 100644
--- a/packages/database-next/src/__tests__/index.ts
+++ b/packages/database-next/src/__tests__/index.ts
@@ -9,31 +9,27 @@ export function generatePrefixByPath() {
     .replace('.test.ts', '')
     .replace(/[^\w]/g, '_')
     .replace(/_+/g, '_');
-  return key
+  return key;
 }
 
 export function getConfig(config = {}, options?: any): DatabaseOptions {
-  return merge({
-    username: process.env.DB_USER,
-    password: process.env.DB_PASSWORD,
-    database: process.env.DB_DATABASE,
-    host: process.env.DB_HOST,
-    port: process.env.DB_PORT,
-    dialect: process.env.DB_DIALECT,
-    logging: process.env.DB_LOG_SQL === 'on',
-    sync: {
-      force: true,
-      alter: {
-        drop: true,
+  return merge(
+    {
+      dialect: 'sqlite',
+      storage: options?.storage || ':memory:',
+      logging: options?.logging || false,
+      hooks: {
+        beforeDefine(model, options) {
+          options.tableName = `${generatePrefixByPath()}_${
+            options.tableName || options.modelName || options.name.plural
+          }`;
+        },
       },
     },
-    hooks: {
-      beforeDefine(model, options) {
-        options.tableName = `${generatePrefixByPath()}_${options.tableName || options.modelName || options.name.plural}`;
-      },
-    },
-  }, config || {}, options) as any;
-};
+    config || {},
+    options,
+  ) as any;
+}
 
 export function mockDatabase(options?: DatabaseOptions): Database {
   return new Database(getConfig(options));
diff --git a/packages/database-next/src/__tests__/operator/array-operator.test.ts b/packages/database-next/src/__tests__/operator/array-operator.test.ts
new file mode 100644
index 000000000..607202f22
--- /dev/null
+++ b/packages/database-next/src/__tests__/operator/array-operator.test.ts
@@ -0,0 +1,171 @@
+import { mockDatabase } from '../index';
+import Database from '../../database';
+
+describe('array field operator', function () {
+  let db: Database;
+  let Test;
+
+  let t1;
+  let t2;
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  beforeEach(async () => {
+    db = mockDatabase();
+
+    Test = db.collection({
+      name: 'test',
+      fields: [
+        { type: 'array', name: 'selected' },
+        { type: 'string', name: 'name' },
+      ],
+    });
+
+    await db.sync({ force: true });
+
+    t1 = await Test.repository.create({
+      values: {
+        selected: [1, 2, 'a', 'b'],
+        name: 't1',
+      },
+    });
+
+    t2 = await Test.repository.create({
+      values: {
+        selected: [11, 22, 'aa', 'bb', 'cc'],
+        name: 't2',
+      },
+    });
+  });
+
+  test('nested array field', async () => {
+    const User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'hasMany', name: 'posts' },
+        { type: 'string', name: 'name' },
+      ],
+    });
+
+    const Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'belongsTo', name: 'user' },
+        { type: 'string', name: 'title' },
+        { type: 'array', name: 'tags' },
+      ],
+    });
+
+    await db.sync();
+
+    await User.repository.createMany({
+      records: [
+        {
+          name: 'u0',
+          posts: [{ title: 'u0p1' }],
+        },
+        {
+          name: 'u1',
+          posts: [{ title: 'u1p1', tags: ['t1', 't2'] }],
+        },
+      ],
+    });
+
+    let result = await User.repository.find({
+      filter: {
+        'posts.tags.$empty': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('name')).toEqual('u0');
+    result = await User.repository.find({
+      filter: {
+        'posts.tags.$anyOf': ['t1'],
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('name')).toEqual('u1');
+  });
+
+  test('$match', async () => {
+    const filter1 = await Test.repository.find({
+      filter: {
+        'selected.$match': [2, 1, 'a', 'b'],
+      },
+    });
+
+    expect(filter1.length).toEqual(1);
+    expect(filter1[0].get('name')).toEqual(t1.get('name'));
+  });
+
+  test('$notMatch', async () => {
+    const filter2 = await Test.repository.find({
+      filter: {
+        'selected.$notMatch': [1, 2, 'a', 'b'],
+      },
+    });
+
+    expect(filter2.length).toEqual(1);
+    expect(filter2[0].get('name')).toEqual(t2.get('name'));
+  });
+
+  test('$anyOf', async () => {
+    const filter3 = await Test.repository.find({
+      filter: {
+        'selected.$anyOf': ['aa'],
+      },
+    });
+
+    expect(filter3.length).toEqual(1);
+    expect(filter3[0].get('name')).toEqual(t2.get('name'));
+  });
+
+  test('$noneOf', async () => {
+    const filter = await Test.repository.find({
+      filter: {
+        'selected.$noneOf': ['aa'],
+      },
+    });
+
+    expect(filter.length).toEqual(1);
+    expect(filter[0].get('name')).toEqual(t1.get('name'));
+  });
+
+  test('$empty', async () => {
+    const t3 = await Test.repository.create({
+      values: {
+        name: 't3',
+        selected: [],
+      },
+    });
+
+    const filter = await Test.repository.find({
+      filter: {
+        'selected.$empty': true,
+      },
+    });
+    expect(filter.length).toEqual(1);
+    expect(filter[0].get('name')).toEqual(t3.get('name'));
+  });
+
+  test('$notEmpty', async () => {
+    const t3 = await Test.repository.create({
+      values: {
+        name: 't3',
+        selected: [],
+      },
+    });
+
+    const filter = await Test.repository.find({
+      filter: {
+        'selected.$notEmpty': true,
+      },
+    });
+
+    expect(filter.length).toEqual(2);
+  });
+});
diff --git a/packages/database-next/src/__tests__/operator/association-operator.test.ts b/packages/database-next/src/__tests__/operator/association-operator.test.ts
new file mode 100644
index 000000000..855461ac1
--- /dev/null
+++ b/packages/database-next/src/__tests__/operator/association-operator.test.ts
@@ -0,0 +1,267 @@
+import Database from '../../database';
+import { Collection } from '../../collection';
+
+import { mockDatabase } from '../index';
+
+describe('association operator', () => {
+  let db: Database;
+
+  let Group: Collection;
+
+  let User: Collection;
+  let Profile: Collection;
+  let Post: Collection;
+  let Tag: Collection;
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  beforeEach(async () => {
+    db = mockDatabase();
+
+    Group = db.collection({
+      name: 'groups',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'users' },
+      ],
+    });
+
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'belongsTo', name: 'group' },
+
+        { type: 'string', name: 'name' },
+        {
+          type: 'hasMany',
+          name: 'posts',
+        },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        {
+          type: 'belongsTo',
+          name: 'user',
+        },
+        {
+          type: 'belongsToMany',
+          name: 'tags',
+        },
+      ],
+    });
+
+    Tag = db.collection({
+      name: 'tags',
+      fields: [
+        { type: 'string', name: 'name' },
+        {
+          type: 'belongsToMany',
+          name: 'posts',
+        },
+      ],
+    });
+
+    await db.sync({
+      force: true,
+    });
+  });
+
+  test('nested association', async () => {
+    const u1 = await User.repository.create({
+      values: {
+        name: 'u1',
+        posts: [
+          {
+            title: 'u1p1',
+          },
+        ],
+      },
+    });
+
+    const u2 = await User.repository.create({
+      values: {
+        name: 'u2',
+        posts: [
+          {
+            title: 'u1p1',
+          },
+          {
+            title: 'u1p2',
+            tags: [
+              {
+                name: 't1',
+              },
+            ],
+          },
+        ],
+      },
+    });
+
+    const u3 = await User.repository.create({
+      values: {
+        name: 'u3',
+      },
+    });
+
+    let result = await User.repository.find({
+      filter: {
+        'posts.tags.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('id')).toEqual(u2.get('id'));
+
+    result = await User.repository.find({
+      filter: {
+        'posts.tags.id.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('id')).toEqual(u2.get('id'));
+  });
+
+  test('belongs to', async () => {
+    const g1 = await Group.repository.create({
+      values: {
+        name: 'g1',
+      },
+    });
+
+    const u1 = await User.repository.create({
+      values: {
+        name: 'u1',
+        group: g1['id'],
+      },
+    });
+
+    const u2 = await User.repository.create({
+      values: {
+        name: 'u2',
+      },
+    });
+
+    let result = await User.repository.find({
+      filter: {
+        'group.id.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('name')).toEqual(u1.get('name'));
+
+    result = await User.repository.find({
+      filter: {
+        'group.id.$notExists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('name')).toEqual(u2.get('name'));
+  });
+
+  test('belongs to many', async () => {
+    const t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const t3 = await Tag.repository.create({
+      values: {
+        name: 't3',
+      },
+    });
+
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+      },
+    });
+
+    // p2 belongs to many t1 t2
+    const p2 = await Post.repository.create({
+      values: {
+        title: 'p2',
+        tags: [t1['id'], t2['id']],
+      },
+    });
+
+    const p3 = await Post.repository.create({
+      values: {
+        title: 'p3',
+      },
+    });
+
+    let result = await Post.repository.find({
+      filter: {
+        'tags.id.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('title')).toEqual(p2.get('title'));
+
+    result = await Tag.repository.find({
+      filter: {
+        'posts.id.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(2);
+    expect(result.map((r) => r.get('id'))).toEqual([
+      t1.get('id'),
+      t2.get('id'),
+    ]);
+
+    result = await Tag.repository.find({
+      filter: {
+        'posts.id.$notExists': true,
+      },
+    });
+    expect(result.length).toEqual(1);
+    expect(result[0].get('id')).toEqual(t3.get('id'));
+  });
+
+  test('has many', async () => {
+    const u1 = await User.repository.create({
+      values: {
+        name: 'u1',
+        posts: [
+          {
+            title: 'p1',
+          },
+          { title: 'p2' },
+        ],
+      },
+    });
+
+    const u2 = await User.repository.create({
+      values: {
+        name: 'u2',
+      },
+    });
+
+    const result = await User.repository.find({
+      filter: {
+        'posts.id.$exists': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('id')).toEqual(u1.get('id'));
+  });
+});
diff --git a/packages/database-next/src/__tests__/operator/date-operator.test.ts b/packages/database-next/src/__tests__/operator/date-operator.test.ts
new file mode 100644
index 000000000..7317a3685
--- /dev/null
+++ b/packages/database-next/src/__tests__/operator/date-operator.test.ts
@@ -0,0 +1,163 @@
+import { mockDatabase } from '../index';
+import { Collection } from '../../collection';
+import Database from '../../database';
+
+describe('date operator test', () => {
+  let db: Database;
+
+  let User: Collection;
+
+  beforeEach(async () => {
+    db = mockDatabase({
+      logging: console.log,
+    });
+
+    User = db.collection({
+      name: 'users',
+      fields: [
+        {
+          name: 'birthday',
+          type: 'date',
+        },
+        {
+          type: 'string',
+          name: 'name',
+        },
+      ],
+    });
+
+    await db.sync();
+  });
+
+  test('$dateOn', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-01-02 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateOn': '1990-01-01' },
+    });
+
+    expect(user.get('id')).toEqual(user1.get('id'));
+  });
+
+  test('$dateNotOn', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-01-02 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateNotOn': '1990-01-01' },
+    });
+
+    expect(user.get('id')).toEqual(u0.get('id'));
+  });
+
+  test('$dateBefore', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-05-01 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateBefore': '1990-04-01' },
+    });
+
+    expect(user.get('id')).toEqual(user1.get('id'));
+  });
+
+  test('$dateNotBefore', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-05-01 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateNotBefore': '1990-04-01' },
+    });
+
+    expect(user.get('id')).toEqual(u0.get('id'));
+  });
+
+  test('$dateAfter', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-05-01 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateAfter': '1990-04-01' },
+    });
+
+    expect(user.get('id')).toEqual(u0.get('id'));
+  });
+
+  test('$dateNotAfter', async () => {
+    const u0 = await User.repository.create({
+      values: {
+        birthday: '1990-05-01 12:03:02',
+        name: 'u0',
+      },
+    });
+
+    const user1 = await User.repository.create({
+      values: {
+        birthday: '1990-01-01 12:03:02',
+        name: 'user1',
+      },
+    });
+
+    const user = await User.repository.findOne({
+      filter: { 'birthday.$dateNotAfter': '1990-04-01' },
+    });
+
+    expect(user.get('id')).toEqual(user1.get('id'));
+  });
+});
diff --git a/packages/database-next/src/__tests__/operator/empty-operator.test.ts b/packages/database-next/src/__tests__/operator/empty-operator.test.ts
new file mode 100644
index 000000000..0c62bb18d
--- /dev/null
+++ b/packages/database-next/src/__tests__/operator/empty-operator.test.ts
@@ -0,0 +1,52 @@
+import Database from '../../database';
+import { Collection } from '../../collection';
+
+import { mockDatabase } from '../index';
+
+describe('empty operator', () => {
+  let db: Database;
+
+  let User: Collection;
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  beforeEach(async () => {
+    db = mockDatabase({
+      logging: console.log,
+    });
+
+    User = db.collection({
+      name: 'users',
+      fields: [{ type: 'string', name: 'name' }],
+    });
+
+    await db.sync({
+      force: true,
+    });
+  });
+
+  test('string field empty', async () => {
+    const u1 = await User.repository.create({
+      values: {
+        name: 'u1',
+      },
+    });
+
+    const u2 = await User.repository.create({
+      values: {
+        name: '',
+      },
+    });
+
+    const result = await User.repository.find({
+      filter: {
+        'name.$empty': true,
+      },
+    });
+
+    expect(result.length).toEqual(1);
+    expect(result[0].get('id')).toEqual(u2.get('id'));
+  });
+});
diff --git a/packages/database-next/src/__tests__/option-parser.test.ts b/packages/database-next/src/__tests__/option-parser.test.ts
new file mode 100644
index 000000000..8ca6a49d6
--- /dev/null
+++ b/packages/database-next/src/__tests__/option-parser.test.ts
@@ -0,0 +1,166 @@
+import { Collection } from '../collection';
+import { mockDatabase } from './index';
+import { OptionsParser } from '../options-parser';
+import { Database } from '../database';
+
+describe('option parser', () => {
+  let db: Database;
+  let User: Collection;
+  let Post: Collection;
+  let Comment: Collection;
+  let Tag: Collection;
+
+  beforeEach(async () => {
+    const db = mockDatabase();
+    User = db.collection<{ id: number; name: string }, { name: string }>({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'integer', name: 'age' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        {
+          type: 'belongsTo',
+          name: 'user',
+        },
+        {
+          type: 'hasMany',
+          name: 'comments',
+        },
+        {
+          type: 'belongsToMany',
+          name: 'tags',
+        },
+      ],
+    });
+
+    Comment = db.collection({
+      name: 'comments',
+      fields: [
+        { type: 'string', name: 'content' },
+        { type: 'belongsTo', name: 'posts' },
+      ],
+    });
+
+    Tag = db.collection({
+      name: 'tags',
+      fields: [{ type: 'string', name: 'name' }],
+    });
+    await db.sync();
+  });
+
+  test('fields with association', () => {
+    let options: any = {
+      fields: ['id', 'name', 'tags.id', 'tags.name'],
+    };
+
+    const parser = new OptionsParser(
+      Post.model,
+      Post.context.database,
+      options,
+    );
+    const params = parser.toSequelizeParams();
+
+    expect(params).toEqual({
+      attributes: ['id', 'name'],
+      include: [
+        {
+          association: 'tags',
+          attributes: ['id', 'name'],
+        },
+      ],
+    });
+  });
+  test('with sort option', () => {
+    let options: any = {
+      sort: ['id'],
+    };
+
+    let parser = new OptionsParser(User.model, User.context.database, options);
+    let params = parser.toSequelizeParams();
+    expect(params['order']).toEqual([['id', 'ASC']]);
+
+    options = {
+      sort: ['id', '-posts.title', 'posts.comments.createdAt'],
+    };
+
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+    expect(params['order']).toEqual([
+      ['id', 'ASC'],
+      [Post.model, 'title', 'DESC'],
+      [Post.model, Comment.model, 'createdAt', 'ASC'],
+    ]);
+  });
+
+  test('option parser with fields option', async () => {
+    let options: any = {
+      fields: ['id', 'posts'],
+    };
+    // 转换为 attributes: ['id'], include: [{association: 'posts'}]
+    let parser = new OptionsParser(User.model, User.context.database, options);
+    let params = parser.toSequelizeParams();
+
+    expect(params['attributes']).toContain('id');
+    expect(params['include'][0]['association']).toEqual('posts');
+
+    // only appends
+    options = {
+      appends: ['posts'],
+    };
+
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+    expect(params['attributes']['include']).toEqual([]);
+    expect(params['include'][0]['association']).toEqual('posts');
+
+    // fields with association field
+    options = {
+      fields: ['id', 'posts.title'],
+    };
+
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+    expect(params['attributes']).toContain('id');
+    expect(params['include'][0]['association']).toEqual('posts');
+    expect(params['include'][0]['attributes']).toContain('title');
+
+    // fields with nested field
+    options = {
+      fields: ['id', 'posts', 'posts.comments.content'],
+    };
+
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+    expect(params['attributes']).toContain('id');
+    expect(params['include'][0]['association']).toEqual('posts');
+    expect(params['include'][0]['attributes']).toEqual({ include: [] });
+    expect(params['include'][0]['include'][0]['association']).toEqual(
+      'comments',
+    );
+
+    // fields with expect
+    options = {
+      except: ['id'],
+    };
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+    expect(params['attributes']['exclude']).toContain('id');
+
+    // expect with association
+    options = {
+      fields: ['posts'],
+      except: ['posts.id'],
+    };
+
+    parser = new OptionsParser(User.model, User.context.database, options);
+    params = parser.toSequelizeParams();
+
+    expect(params['include'][0]['attributes']['exclude']).toContain('id');
+  });
+});
diff --git a/packages/database-next/src/__tests__/relation-repository/belongs-to-many-repository.test.ts b/packages/database-next/src/__tests__/relation-repository/belongs-to-many-repository.test.ts
new file mode 100644
index 000000000..397c46f4b
--- /dev/null
+++ b/packages/database-next/src/__tests__/relation-repository/belongs-to-many-repository.test.ts
@@ -0,0 +1,444 @@
+import { mockDatabase } from '../index';
+import { BelongsToManyRepository } from '../../relation-repository/belongs-to-many-repository';
+
+describe('belongs to many', () => {
+  let db;
+  let Post;
+  let Tag;
+  let PostTag;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    PostTag = db.collection({
+      name: 'posts_tags',
+      fields: [{ type: 'string', name: 'tagged_at' }],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'belongsToMany', name: 'tags', through: 'posts_tags' },
+        { type: 'string', name: 'title' },
+      ],
+    });
+
+    Tag = db.collection({
+      name: 'tags',
+      fields: [
+        { type: 'belongsToMany', name: 'posts', through: 'posts_tags' },
+        { type: 'string', name: 'name' },
+      ],
+    });
+
+    await db.sync({ force: true });
+  });
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  test('create with through values', async () => {
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+      },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.create({
+      values: {
+        name: 't1',
+        posts_tags: {
+          tagged_at: '123',
+        },
+      },
+    });
+
+    const t1 = await PostTagRepository.findOne();
+    expect(t1.posts_tags.tagged_at).toEqual('123');
+  });
+
+  test('create', async () => {
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+      },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    const t1 = await PostTagRepository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    expect(t1).toBeDefined();
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    await PostTagRepository.add(t2.id);
+
+    const findResult = await PostTagRepository.find();
+    expect(findResult.length).toEqual(2);
+
+    const findFilterResult = await PostTagRepository.find({
+      filter: { name: 't2' },
+    });
+
+    expect(findFilterResult.length).toEqual(1);
+    expect(findFilterResult[0].name).toEqual('t2');
+  });
+
+  test('find and count', async () => {
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+        tags: [{ name: 't1' }, { name: 't2' }],
+      },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+    let [findResult, count] = await PostTagRepository.findAndCount();
+
+    expect(count).toEqual(2);
+
+    [findResult, count] = await PostTagRepository.findAndCount({
+      filter: {
+        name: 't1',
+      },
+    });
+
+    expect(count).toEqual(1);
+    expect(findResult[0].name).toEqual('t1');
+  });
+
+  test('find one', async () => {
+    const p1 = await Post.repository.create({
+      values: { title: 'p1', tags: [{ name: 't1' }, { name: 't2' }] },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+    let t1 = await PostTagRepository.findOne({
+      filter: {
+        name: 't1',
+      },
+    });
+
+    expect(t1.name).toEqual('t1');
+
+    t1 = await PostTagRepository.findOne({
+      filter: {
+        name: 'tabcaa',
+      },
+    });
+    expect(t1).toBeNull();
+  });
+
+  test('update raw attribute', async () => {
+    const otherTag = await Tag.repository.create({
+      values: { name: 'other_tag' },
+    });
+
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+        tags: [{ name: 't1' }, { name: 't2' }],
+      },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    // rename t1 to t3
+    await PostTagRepository.update({
+      filter: {
+        name: 't1',
+      },
+      values: {
+        name: 't3',
+      },
+    });
+
+    const t1 = await PostTagRepository.findOne({
+      filter: {
+        name: 't1',
+      },
+    });
+
+    expect(t1).toBeNull();
+
+    const t3 = await PostTagRepository.findOne({
+      filter: {
+        name: 't3',
+      },
+    });
+
+    expect(t3.name).toEqual('t3');
+
+    await PostTagRepository.update({
+      values: {
+        name: 'updated',
+      },
+    });
+
+    await otherTag.reload();
+    expect(otherTag.name).toEqual('other_tag');
+  });
+
+  test('update through table attribute', async () => {
+    const p1 = await Post.repository.create({
+      values: {
+        title: 'p1',
+        tags: [
+          {
+            name: 't1',
+            posts_tags: {
+              tagged_at: '123',
+            },
+          },
+          { name: 't2' },
+        ],
+      },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    let t1 = await PostTagRepository.findOne({
+      filter: {
+        name: 't1',
+      },
+    });
+
+    expect(t1.posts_tags.tagged_at).toEqual('123');
+
+    const p2 = await Post.repository.create({
+      values: {
+        title: 'p2',
+        tags: [t1.id],
+      },
+    });
+
+    const Post2TagRepository = new BelongsToManyRepository(Post, 'tags', p2.id);
+    const p2Tag = await Post2TagRepository.findOne();
+    expect(p2Tag.posts_tags.tagged_at).toBeNull();
+
+    // 设置p1与t1关联的tagged_at
+    await PostTagRepository.update({
+      filter: {
+        name: 't1',
+      },
+      values: {
+        posts_tags: {
+          tagged_at: '456',
+        },
+      },
+    });
+
+    await t1.reload();
+
+    expect(t1.posts_tags.tagged_at).toEqual('456');
+
+    await p2Tag.reload();
+    // p2-tag1 still not change
+    expect(p2Tag.posts_tags.tagged_at).toBeNull();
+  });
+
+  test('add', async () => {
+    let t1 = await Tag.repository.create({
+      values: { name: 't1' },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+    await PostTagRepository.add([[t1.id, { tagged_at: '123' }]]);
+
+    let p1Tag = await PostTagRepository.findOne();
+    expect(p1Tag.posts_tags.tagged_at).toEqual('123');
+  });
+
+  test('set', async () => {
+    let t1 = await Tag.repository.create({
+      values: { name: 't1' },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: { name: 't2' },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.set([t1.id]);
+
+    let p1Tags = await PostTagRepository.find();
+    expect(p1Tags.length).toEqual(1);
+
+    await PostTagRepository.set([[t1.id, { tagged_at: '999' }]]);
+
+    t1 = await PostTagRepository.findOne({
+      filter: {
+        name: 't1',
+      },
+    });
+
+    expect(t1.posts_tags.tagged_at).toEqual('999');
+  });
+
+  test('find by pk', async () => {
+    let t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.set([t1.id, t2.id]);
+
+    const findByPkResult = await PostTagRepository.findOne({
+      filterByPk: t2.id,
+    });
+
+    expect(findByPkResult.name).toEqual('t2');
+  });
+
+  test('toggle', async () => {
+    let t1 = await Tag.repository.create({
+      values: { name: 't1' },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.toggle(t1.id);
+    expect(await PostTagRepository.findOne()).not.toBeNull();
+
+    await PostTagRepository.toggle(t1.id);
+    expect(await PostTagRepository.findOne()).toBeNull();
+  });
+
+  test('remove', async () => {
+    let t1 = await Tag.repository.create({
+      values: { name: 't1' },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.add(t1.id);
+    expect(await PostTagRepository.findOne()).not.toBeNull();
+
+    await PostTagRepository.remove(t1.id);
+    expect(await PostTagRepository.findOne()).toBeNull();
+  });
+
+  test('destroy all', async () => {
+    let t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.set([t1.id, t2.id]);
+
+    await PostTagRepository.destroy();
+
+    const [_, count] = await PostTagRepository.findAndCount();
+    expect(count).toEqual(0);
+  });
+
+  test('destroy with id', async () => {
+    let t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.set([t1.id, t2.id]);
+
+    await PostTagRepository.destroy(t2.id);
+
+    const result = await PostTagRepository.findAndCount();
+    expect(result[1]).toEqual(1);
+  });
+
+  test('transaction', async () => {
+    let t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const transaction = await Tag.model.sequelize.transaction();
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+
+    await PostTagRepository.set({
+      pk: [t1.id, t2.id],
+      transaction,
+    });
+
+    await transaction.commit();
+  });
+});
diff --git a/packages/database-next/src/__tests__/relation-repository/has-many-repository.test.ts b/packages/database-next/src/__tests__/relation-repository/has-many-repository.test.ts
new file mode 100644
index 000000000..d52010811
--- /dev/null
+++ b/packages/database-next/src/__tests__/relation-repository/has-many-repository.test.ts
@@ -0,0 +1,245 @@
+import { mockDatabase } from '../index';
+import { HasManyRepository } from '../../relation-repository/hasmany-repository';
+import { BelongsToManyRepository } from '../../relation-repository/belongs-to-many-repository';
+
+describe('has many repository', () => {
+  let db;
+  let User;
+  let Post;
+  let Comment;
+  let Tag;
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'belongsToMany', name: 'tags', through: 'posts_tags' },
+        { type: 'hasMany', name: 'comments' },
+      ],
+    });
+
+    Tag = db.collection({
+      name: 'tags',
+      fields: [
+        { type: 'belongsToMany', name: 'posts', through: 'posts_tags' },
+        { type: 'string', name: 'name' },
+      ],
+    });
+
+    Comment = db.collection({
+      name: 'comments',
+      fields: [
+        { type: 'string', name: 'content' },
+        { type: 'belongsTo', name: 'post' },
+      ],
+    });
+
+    await db.sync({ force: true });
+  });
+
+  test('find', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    await UserPostRepository.create({
+      values: {
+        title: 't1',
+      },
+    });
+
+    const t1 = await UserPostRepository.findOne();
+    expect(t1.title).toEqual('t1');
+  });
+
+  test('create', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const post = await UserPostRepository.create({
+      values: {
+        title: 't1',
+        comments: [{ content: 'content1' }],
+      },
+    });
+
+    expect(post.title).toEqual('t1');
+    expect(post.userId).toEqual(u1.id);
+  });
+
+  test('update', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    await UserPostRepository.create({
+      values: {
+        title: 't1',
+        comments: [{ content: 'content1' }],
+      },
+    });
+
+    await UserPostRepository.update({
+      filter: {
+        title: 't1',
+      },
+      values: {
+        title: 'u1t1',
+      },
+    });
+
+    const p1 = await UserPostRepository.findOne();
+    expect(p1.title).toEqual('u1t1');
+  });
+
+  test('find', async () => {
+    const u1 = await User.repository.create({ values: { name: 'u1' } });
+
+    const t1 = await Tag.repository.create({ values: { name: 't1' } });
+
+    const t2 = await Tag.repository.create({ values: { name: 't2' } });
+
+    const t3 = await Tag.repository.create({ values: { name: 't3' } });
+
+    const p1 = await Post.repository.create({
+      values: { title: 'p1' },
+    });
+
+    const p2 = await Post.repository.create({
+      values: { title: 'p2', tags: [t1, t2, t3] },
+    });
+
+    const p3 = await Post.repository.create({
+      values: { title: 'p3', tags: [t1, t2, t3] },
+    });
+    const p4 = await Post.repository.create({
+      values: { title: 'p4', tags: [t1, t2, t3] },
+    });
+    const p5 = await Post.repository.create({
+      values: { title: 'p5', tags: [t1, t2, t3] },
+    });
+    const p6 = await Post.repository.create({
+      values: { title: 'p6', tags: [t1, t2, t3] },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const ids = [p1, p2, p3, p4, p5, p6].map((p) => p.id);
+    await UserPostRepository.add(ids);
+
+    const PostTagRepository = new BelongsToManyRepository(Post, 'tags', p1.id);
+    await PostTagRepository.set([t1.id, t2.id, t3.id]);
+
+    const posts = await UserPostRepository.find({
+      filter: {
+        'tags.name': 't1',
+      },
+      appends: ['tags'],
+    });
+
+    const post = posts[0];
+
+    expect(post.tags.length).toEqual(3);
+
+    const findAndCount = await UserPostRepository.findAndCount({
+      filter: {
+        'tags.name.$like': 't%',
+      },
+    });
+
+    expect(findAndCount[1]).toEqual(6);
+  });
+
+  test('destroy by pk', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const p1 = await UserPostRepository.create({
+      values: {
+        title: 't1',
+      },
+    });
+
+    await UserPostRepository.destroy(p1.id);
+
+    expect(await UserPostRepository.findOne()).toBeNull();
+  });
+
+  test('destroy', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const p1 = await UserPostRepository.create({
+      values: {
+        title: 't1',
+      },
+    });
+
+    await UserPostRepository.destroy();
+
+    expect(await UserPostRepository.findOne()).toBeNull();
+  });
+
+  test('destroy by filter', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const p1 = await UserPostRepository.create({
+      values: {
+        title: 't1',
+      },
+    });
+
+    await UserPostRepository.destroy({
+      filter: {
+        title: 't1',
+      },
+    });
+
+    expect(await UserPostRepository.findOne()).toBeNull();
+  });
+
+  test('transaction', async () => {
+    const u1 = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserPostRepository = new HasManyRepository(User, 'posts', u1.id);
+    const p1 = await UserPostRepository.create({
+      values: {
+        title: 't1',
+      },
+    });
+
+    await UserPostRepository.destroy({
+      filter: {
+        title: 't1',
+      },
+    });
+
+    expect(await UserPostRepository.findOne()).toBeNull();
+  });
+});
diff --git a/packages/database-next/src/__tests__/relation-repository/hasone-repository.test.ts b/packages/database-next/src/__tests__/relation-repository/hasone-repository.test.ts
new file mode 100644
index 000000000..e0b15fca0
--- /dev/null
+++ b/packages/database-next/src/__tests__/relation-repository/hasone-repository.test.ts
@@ -0,0 +1,84 @@
+import { mockDatabase } from '../index';
+import { HasOneRepository } from '../../relation-repository/hasone-repository';
+import Database from '../../database';
+import { Collection } from '../../collection';
+
+describe('has one repository', () => {
+  let db: Database;
+
+  let User: Collection;
+  let Profile: Collection;
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  beforeEach(async () => {
+    db = mockDatabase();
+
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'hasOne', name: 'profile' },
+        { type: 'string', name: 'name' },
+      ],
+    });
+
+    Profile = db.collection({
+      name: 'profiles',
+      fields: [{ type: 'string', name: 'avatar' }],
+    });
+
+    await db.sync();
+  });
+
+  test('find', async () => {
+    const user = await User.repository.create({
+      values: { name: 'u1' },
+    });
+
+    const UserProfileRepository = new HasOneRepository(
+      User,
+      'profile',
+      user['id'],
+    );
+
+    let userProfile = await UserProfileRepository.create({
+      values: {
+        avatar: 'test_avatar',
+      },
+    });
+
+    expect(userProfile).toBeDefined();
+
+    userProfile = await UserProfileRepository.find();
+    expect(userProfile['avatar']).toEqual('test_avatar');
+    userProfile = await UserProfileRepository.find({
+      fields: ['id'],
+    });
+    expect(userProfile['id']).toBeDefined();
+    expect(userProfile['avatar']).toBeUndefined();
+
+    await UserProfileRepository.remove();
+    expect(await UserProfileRepository.find()).toBeNull();
+
+    const newProfile = await Profile.repository.create({
+      values: { avatar: 'new_avatar' },
+    });
+
+    await UserProfileRepository.set(newProfile['id']);
+    userProfile = await UserProfileRepository.find();
+    expect(userProfile['id']).toEqual(newProfile['id']);
+
+    await UserProfileRepository.update({
+      values: {
+        avatar: 'new_updated_avatar',
+      },
+    });
+    expect((await UserProfileRepository.find())['avatar']).toEqual(
+      'new_updated_avatar',
+    );
+    await UserProfileRepository.destroy();
+    expect(await UserProfileRepository.find()).toBeNull();
+  });
+});
diff --git a/packages/database-next/src/__tests__/repository.test.ts b/packages/database-next/src/__tests__/repository.test.ts
index a1d6668f1..7e658f4d6 100644
--- a/packages/database-next/src/__tests__/repository.test.ts
+++ b/packages/database-next/src/__tests__/repository.test.ts
@@ -29,98 +29,100 @@ describe('repository.find', () => {
       fields: [{ type: 'string', name: 'name' }],
     });
     await db.sync();
-    await User.repository.createMany([
-      {
-        name: 'user1',
-        posts: [
-          {
-            name: 'post11',
-            comments: [
-              { name: 'comment111' },
-              { name: 'comment112' },
-              { name: 'comment113' },
-            ],
-          },
-          {
-            name: 'post12',
-            comments: [
-              { name: 'comment121' },
-              { name: 'comment122' },
-              { name: 'comment123' },
-            ],
-          },
-          {
-            name: 'post13',
-            comments: [
-              { name: 'comment131' },
-              { name: 'comment132' },
-              { name: 'comment133' },
-            ],
-          },
-          {
-            name: 'post14',
-            comments: [
-              { name: 'comment141' },
-              { name: 'comment142' },
-              { name: 'comment143' },
-            ],
-          },
-        ],
-      },
-      {
-        name: 'user2',
-        posts: [
-          {
-            name: 'post21',
-            comments: [
-              { name: 'comment211' },
-              { name: 'comment212' },
-              { name: 'comment213' },
-            ],
-          },
-          {
-            name: 'post22',
-            comments: [
-              { name: 'comment221' },
-              { name: 'comment222' },
-              { name: 'comment223' },
-            ],
-          },
-          {
-            name: 'post23',
-            comments: [
-              { name: 'comment231' },
-              { name: 'comment232' },
-              { name: 'comment233' },
-            ],
-          },
-          { name: 'post24' },
-        ],
-      },
-      {
-        name: 'user3',
-        posts: [
-          {
-            name: 'post31',
-            comments: [
-              { name: 'comment311' },
-              { name: 'comment312' },
-              { name: 'comment313' },
-            ],
-          },
-          { name: 'post32' },
-          {
-            name: 'post33',
-            comments: [
-              { name: 'comment331' },
-              { name: 'comment332' },
-              { name: 'comment333' },
-            ],
-          },
-          { name: 'post34' },
-        ],
-      },
-    ]);
+    await User.repository.createMany({
+      records: [
+        {
+          name: 'user1',
+          posts: [
+            {
+              name: 'post11',
+              comments: [
+                { name: 'comment111' },
+                { name: 'comment112' },
+                { name: 'comment113' },
+              ],
+            },
+            {
+              name: 'post12',
+              comments: [
+                { name: 'comment121' },
+                { name: 'comment122' },
+                { name: 'comment123' },
+              ],
+            },
+            {
+              name: 'post13',
+              comments: [
+                { name: 'comment131' },
+                { name: 'comment132' },
+                { name: 'comment133' },
+              ],
+            },
+            {
+              name: 'post14',
+              comments: [
+                { name: 'comment141' },
+                { name: 'comment142' },
+                { name: 'comment143' },
+              ],
+            },
+          ],
+        },
+        {
+          name: 'user2',
+          posts: [
+            {
+              name: 'post21',
+              comments: [
+                { name: 'comment211' },
+                { name: 'comment212' },
+                { name: 'comment213' },
+              ],
+            },
+            {
+              name: 'post22',
+              comments: [
+                { name: 'comment221' },
+                { name: 'comment222' },
+                { name: 'comment223' },
+              ],
+            },
+            {
+              name: 'post23',
+              comments: [
+                { name: 'comment231' },
+                { name: 'comment232' },
+                { name: 'comment233' },
+              ],
+            },
+            { name: 'post24' },
+          ],
+        },
+        {
+          name: 'user3',
+          posts: [
+            {
+              name: 'post31',
+              comments: [
+                { name: 'comment311' },
+                { name: 'comment312' },
+                { name: 'comment313' },
+              ],
+            },
+            { name: 'post32' },
+            {
+              name: 'post33',
+              comments: [
+                { name: 'comment331' },
+                { name: 'comment332' },
+                { name: 'comment333' },
+              ],
+            },
+            { name: 'post34' },
+          ],
+        },
+      ],
+    });
   });
 
   afterEach(async () => {
@@ -136,25 +138,12 @@ describe('repository.find', () => {
     console.log(data);
   });
 
-  it('findMany', async () => {
-    const data = await User.repository.findMany({
+  it('find item', async () => {
+    const data = await User.repository.find({
       filter: {
         'posts.comments.id': null,
       },
-      page: 1,
-      pageSize: 1,
     });
-    console.log(
-      data.count,
-      JSON.stringify(
-        data.rows.map((row) => row.toJSON()),
-        null,
-        2,
-      ),
-    );
-    // expect(data.toJSON()).toMatchObject({
-    //   name: 'user3',
-    // });
   });
 });
 
@@ -193,17 +182,19 @@ describe('repository.create', () => {
 
   it('create', async () => {
     const user = await User.repository.create({
-      name: 'user1',
-      posts: [
-        {
-          name: 'post11',
-          comments: [
-            { name: 'comment111' },
-            { name: 'comment112' },
-            { name: 'comment113' },
-          ],
-        },
-      ],
+      values: {
+        name: 'user1',
+        posts: [
+          {
+            name: 'post11',
+            comments: [
+              { name: 'comment111' },
+              { name: 'comment112' },
+              { name: 'comment113' },
+            ],
+          },
+        ],
+      },
     });
     const post = await Post.model.findOne();
     expect(post).toMatchObject({
@@ -256,22 +247,25 @@ describe('repository.update', () => {
     const user = await User.model.create<any>({
       name: 'user1',
     });
-    await User.repository.update(
-      {
+    await User.repository.update({
+      filterByPk: user.id,
+      values: {
         name: 'user11',
         posts: [{ name: 'post1' }],
       },
-      user,
-    );
+    });
+
     const updated = await User.model.findByPk(user.id);
     expect(updated).toMatchObject({
       name: 'user11',
     });
+
     const post = await Post.model.findOne({
       where: {
         name: 'post1',
       },
     });
+
     expect(post).toMatchObject({
       name: 'post1',
       userId: user.id,
@@ -283,13 +277,13 @@ describe('repository.update', () => {
       name: 'user1',
       posts: [{ name: 'post1' }],
     });
-    await User.repository.update(
-      {
+    await User.repository.update({
+      filterByPk: user.id,
+      values: {
         name: 'user11',
         posts: [{ name: 'post1' }],
       },
-      user.id,
-    );
+    });
     const updated = await User.model.findByPk(user.id);
     expect(updated).toMatchObject({
       name: 'user11',
@@ -393,34 +387,31 @@ describe('repository.relatedQuery', () => {
   });
 
   it('create', async () => {
-    const user = await User.repository.create();
-    const post = await User.repository.relatedQuery('posts').for(user).create({
-      name: 'post1',
+    const user = await User.repository.create({
+      values: {
+        name: 'u1',
+      },
     });
+
+    const userPostRepository = await User.repository
+      .relation('posts')
+      .of(<number>user.get('id'));
+
+    const post = await userPostRepository.create({
+      values: { name: 'post1' },
+    });
+
     expect(post).toMatchObject({
       name: 'post1',
-      userId: user.id,
+      userId: user.get('id'),
+    });
+
+    const post2 = await userPostRepository.create({
+      values: { name: 'post2' },
     });
-    const post2 = await User.repository
-      .relatedQuery('posts')
-      .for(user.id)
-      .create({
-        name: 'post2',
-      });
     expect(post2).toMatchObject({
       name: 'post2',
-      userId: user.id,
-    });
-  });
-
-  it('update', async () => {
-    const post = await Post.repository.create({
-      user: {
-        name: 'user11',
-      }
-    });
-    await Post.repository.relatedQuery('user').for(post).update({
-      name: 'user12',
+      userId: user.get('id'),
     });
   });
 });
diff --git a/packages/database-next/src/__tests__/respsitory/count.test.ts b/packages/database-next/src/__tests__/respsitory/count.test.ts
new file mode 100644
index 000000000..60afd4434
--- /dev/null
+++ b/packages/database-next/src/__tests__/respsitory/count.test.ts
@@ -0,0 +1,177 @@
+import { mockDatabase } from '../index';
+import { HasManyRepository } from '../../relation-repository/hasmany-repository';
+import { Collection } from '../../collection';
+
+describe('count', () => {
+  let db;
+  let User: Collection;
+  let Post: Collection;
+  let Tag;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'belongsTo', name: 'user' },
+        { type: 'belongsToMany', name: 'tags' },
+      ],
+    });
+
+    Tag = db.collection({
+      name: 'tags',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'belongsToMany', name: 'posts' },
+      ],
+    });
+    await db.sync();
+  });
+
+  test('count with association', async () => {
+    const user1 = await User.repository.create({
+      values: {
+        name: 'u1',
+      },
+    });
+
+    const t1 = await Tag.repository.create({
+      values: {
+        name: 't1',
+      },
+    });
+
+    const t2 = await Tag.repository.create({
+      values: {
+        name: 't2',
+      },
+    });
+
+    const t3 = await Tag.repository.create({
+      values: {
+        name: 't3',
+      },
+    });
+
+    const UserPostRepository =
+      User.repository.relation<HasManyRepository>('posts');
+
+    await UserPostRepository.of(user1['id']).create({
+      values: {
+        title: 'u1p1',
+        tags: [t1, t2, t3],
+      },
+    });
+
+    await UserPostRepository.of(user1['id']).create({
+      values: {
+        title: 'u1p2',
+        tags: [t1, t2, t3],
+      },
+    });
+
+    await UserPostRepository.of(user1['id']).create({
+      values: {
+        title: 'u1p3',
+        tags: [t1, t2, t3],
+      },
+    });
+
+    expect(await Post.repository.count()).toEqual(3);
+
+    expect(
+      await Post.repository.count({
+        filter: {
+          'tags.name': 't1',
+        },
+      }),
+    ).toEqual(3);
+
+    let posts = await Post.repository.findAndCount();
+    expect(posts[1]).toEqual(3);
+
+    posts = await Post.repository.findAndCount({
+      filter: {
+        title: 'u1p1',
+      },
+    });
+
+    expect(posts[0][0]['tags']).toBeUndefined();
+
+    posts = await Post.repository.findAndCount({
+      filter: {
+        title: 'u1p1',
+      },
+      appends: ['tags'],
+    });
+
+    expect(posts[0][0]['tags']).toBeDefined();
+  });
+
+  test('without filter params', async () => {
+    const repository = User.repository;
+
+    await repository.createMany({
+      records: [
+        {
+          name: 'u1',
+          age: 10,
+          posts: [{ title: 'u1t1', comments: ['u1t1c1'] }],
+        },
+        {
+          name: 'u2',
+          age: 20,
+          posts: [{ title: 'u2t1', comments: ['u2t1c1'] }],
+        },
+        {
+          name: 'u3',
+          age: 30,
+          posts: [{ title: 'u3t1', comments: ['u3t1c1'] }],
+        },
+      ],
+    });
+
+    expect(await User.repository.count()).toEqual(3);
+  });
+
+  test('with filter params', async () => {
+    const repository = User.repository;
+
+    await repository.createMany({
+      records: [
+        {
+          name: 'u1',
+          age: 10,
+          posts: [{ title: 'u1t1', comments: ['u1t1c1'] }],
+        },
+        {
+          name: 'u2',
+          age: 20,
+          posts: [{ title: 'u2t1', comments: ['u2t1c1'] }],
+        },
+        {
+          name: 'u3',
+          age: 30,
+          posts: [{ title: 'u3t1', comments: ['u3t1c1'] }],
+        },
+      ],
+    });
+
+    expect(
+      await User.repository.count({
+        filter: {
+          name: 'u1',
+        },
+      }),
+    ).toEqual(1);
+  });
+});
diff --git a/packages/database-next/src/__tests__/respsitory/create.test.ts b/packages/database-next/src/__tests__/respsitory/create.test.ts
new file mode 100644
index 000000000..5f3d3860a
--- /dev/null
+++ b/packages/database-next/src/__tests__/respsitory/create.test.ts
@@ -0,0 +1,39 @@
+import { mockDatabase } from '../index';
+import Database from '../../database';
+
+describe('create', () => {
+  let db: Database;
+  let User;
+  let Post;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'belongsTo', name: 'user' },
+      ],
+    });
+    await db.sync();
+  });
+  test('create with association', async () => {
+    const u1 = await User.repository.create({
+      values: {
+        name: 'u1',
+        posts: [{ title: 'u1p1' }],
+      },
+    });
+
+    expect(u1.name).toEqual('u1');
+    expect(await u1.countPosts()).toEqual(1);
+  });
+});
diff --git a/packages/database-next/src/__tests__/respsitory/destroy.test.ts b/packages/database-next/src/__tests__/respsitory/destroy.test.ts
new file mode 100644
index 000000000..616a0bcf1
--- /dev/null
+++ b/packages/database-next/src/__tests__/respsitory/destroy.test.ts
@@ -0,0 +1,98 @@
+import { mockDatabase } from '../index';
+import { Collection } from '../../collection';
+
+describe('destroy', () => {
+  let db;
+  let User: Collection;
+  let Post: Collection;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'belongsTo', name: 'user' },
+      ],
+    });
+    await db.sync();
+  });
+
+  test('destroy all', async () => {
+    await User.repository.create({
+      values: {
+        name: 'u1',
+        posts: [{ title: 'u1p1' }],
+      },
+    });
+
+    await User.repository.destroy();
+    expect(await User.repository.count()).toEqual(1);
+    await User.repository.destroy({ truncate: true });
+    expect(await User.repository.count()).toEqual(0);
+  });
+
+  test('destroy with filter', async () => {
+    await User.repository.createMany({
+      records: [
+        {
+          name: 'u1',
+        },
+        {
+          name: 'u3',
+        },
+        {
+          name: 'u2',
+        },
+      ],
+    });
+
+    await User.repository.destroy({
+      filter: {
+        name: 'u1',
+      },
+    });
+
+    expect(
+      await User.repository.findOne({
+        filter: {
+          name: 'u1',
+        },
+      }),
+    ).toBeNull();
+    expect(await User.repository.count()).toEqual(2);
+  });
+
+  test('destroy with filterByPK', async () => {
+    await User.repository.createMany({
+      records: [
+        {
+          name: 'u1',
+        },
+        {
+          name: 'u3',
+        },
+        {
+          name: 'u2',
+        },
+      ],
+    });
+
+    const u2 = await User.repository.findOne({
+      filter: {
+        name: 'u2',
+      },
+    });
+
+    await User.repository.destroy(u2['id']);
+    expect(await User.repository.count()).toEqual(2);
+  });
+});
diff --git a/packages/database-next/src/__tests__/respsitory/find.test.ts b/packages/database-next/src/__tests__/respsitory/find.test.ts
new file mode 100644
index 000000000..a6c7996b8
--- /dev/null
+++ b/packages/database-next/src/__tests__/respsitory/find.test.ts
@@ -0,0 +1,204 @@
+import { mockDatabase } from '../index';
+import Database from '@nocobase/database';
+import { Collection } from '../../collection';
+import { OptionsParser } from '../../options-parser';
+
+describe('repository find', () => {
+  let db: Database;
+  let User: Collection;
+  let Post: Collection;
+  let Comment: Collection;
+  beforeEach(async () => {
+    const db = mockDatabase();
+    User = db.collection<{ id: number; name: string }, { name: string }>({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'integer', name: 'age' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        {
+          type: 'belongsTo',
+          name: 'user',
+        },
+        {
+          type: 'hasMany',
+          name: 'comments',
+        },
+      ],
+    });
+
+    Comment = db.collection({
+      name: 'comments',
+      fields: [
+        { type: 'string', name: 'content' },
+        { type: 'belongsTo', name: 'posts' },
+      ],
+    });
+
+    await db.sync();
+    const repository = User.repository;
+
+    await repository.createMany({
+      records: [
+        {
+          name: 'u1',
+          age: 10,
+          posts: [{ title: 'u1t1', comments: ['u1t1c1'] }],
+        },
+        {
+          name: 'u2',
+          age: 20,
+          posts: [{ title: 'u2t1', comments: ['u2t1c1'] }],
+        },
+        {
+          name: 'u3',
+          age: 30,
+          posts: [{ title: 'u3t1', comments: ['u3t1c1'] }],
+        },
+      ],
+    });
+  });
+
+  describe('findOne', () => {
+    test('find one with attribute', async () => {
+      const user = await User.repository.findOne({
+        filter: {
+          name: 'u2',
+        },
+      });
+      expect(user['name']).toEqual('u2');
+    });
+
+    test('find one with relation', async () => {
+      const user = await User.repository.findOne({
+        filter: {
+          'posts.title': 'u2t1',
+        },
+      });
+      expect(user['name']).toEqual('u2');
+    });
+
+    test('find one with fields', async () => {
+      const user = await User.repository.findOne({
+        filter: {
+          name: 'u2',
+        },
+        fields: ['id'],
+        appends: ['posts'],
+        except: ['posts.id'],
+      });
+
+      const data = user.toJSON();
+      expect(Object.keys(data)).toEqual(['id', 'posts']);
+      expect(Object.keys(data['posts'])).not.toContain('id');
+    });
+  });
+
+  describe('find', () => {
+    test('find with logic or', async () => {
+      const users = await User.repository.findAndCount({
+        filter: {
+          $or: [{ 'posts.title': 'u1t1' }, { 'posts.title': 'u2t1' }],
+        },
+      });
+
+      expect(users[1]).toEqual(2);
+    });
+
+    test('find with fields', async () => {
+      let user = await User.repository.findOne({
+        fields: ['name'],
+      });
+
+      expect(user['name']).toBeDefined();
+      expect(user['age']).toBeUndefined();
+      expect(user['posts']).toBeUndefined();
+
+      user = await User.repository.findOne({
+        fields: ['name', 'posts'],
+      });
+
+      expect(user['posts']).toBeDefined();
+    });
+
+    describe('find with appends', () => {
+      test('filter attribute', async () => {
+        const user = await User.repository.findOne({
+          filter: {
+            name: 'u1',
+          },
+          appends: ['posts'],
+        });
+
+        expect(user['posts']).toBeDefined();
+      });
+
+      test('filter association attribute', async () => {
+        const user2 = await User.repository.findOne({
+          filter: {
+            'posts.title': 'u1t1',
+          },
+          appends: ['posts'],
+        });
+        expect(user2['posts']).toBeDefined();
+      });
+
+      test('without appends', async () => {
+        const user3 = await User.repository.findOne({
+          filter: {
+            'posts.title': 'u1t1',
+          },
+        });
+
+        expect(user3['posts']).toBeUndefined();
+      });
+    });
+
+    describe('find all', () => {
+      test('without params', async () => {
+        expect((await User.repository.find()).length).toEqual(3);
+      });
+      test('with limit', async () => {
+        expect(
+          (
+            await User.repository.find({
+              limit: 1,
+            })
+          ).length,
+        ).toEqual(1);
+      });
+    });
+
+    describe('find and count', () => {
+      test('without params', async () => {
+        expect((await User.repository.findAndCount())[1]).toEqual(3);
+      });
+    });
+
+    test('find with filter', async () => {
+      const results = await User.repository.find({
+        filter: {
+          name: 'u1',
+        },
+      });
+
+      expect(results.length).toEqual(1);
+    });
+
+    test('find with association', async () => {
+      const results = await User.repository.find({
+        filter: {
+          'posts.title': 'u1t1',
+        },
+      });
+
+      expect(results.length).toEqual(1);
+    });
+  });
+});
diff --git a/packages/database-next/src/__tests__/update-associations.test.ts b/packages/database-next/src/__tests__/update-associations.test.ts
index 4148c75aa..8e7a4dd30 100644
--- a/packages/database-next/src/__tests__/update-associations.test.ts
+++ b/packages/database-next/src/__tests__/update-associations.test.ts
@@ -4,20 +4,25 @@ import { updateAssociation, updateAssociations } from '../update-associations';
 import { mockDatabase } from './';
 
 describe('update associations', () => {
-
   describe('belongsTo', () => {
     let db: Database;
     beforeEach(() => {
       db = mockDatabase();
     });
+
     afterEach(async () => {
       await db.close();
     });
+
     it('post.user', async () => {
-      const User = db.collection({
+      const User = db.collection<
+        { id: string; name: string },
+        { name: string }
+      >({
         name: 'users',
         fields: [{ type: 'string', name: 'name' }],
       });
+
       const Post = db.collection({
         name: 'posts',
         fields: [
@@ -25,12 +30,16 @@ describe('update associations', () => {
           { type: 'belongsTo', name: 'user' },
         ],
       });
+
       await db.sync();
-      const user = await User.model.create<any>({ name: 'user1' });
+
+      const user = await User.model.create({ name: 'user1' });
       const post1 = await Post.model.create({ name: 'post1' });
+
       await updateAssociations(post1, {
         user,
       });
+
       expect(post1.toJSON()).toMatchObject({
         id: 1,
         name: 'post1',
@@ -40,21 +49,25 @@ describe('update associations', () => {
           name: 'user1',
         },
       });
+
       const post2 = await Post.model.create({ name: 'post2' });
       await updateAssociations(post2, {
-        user: user.id,
+        user: user.getDataValue('id'),
       });
+
       expect(post2.toJSON()).toMatchObject({
         id: 2,
         name: 'post2',
         userId: 1,
       });
+
       const post3 = await Post.model.create({ name: 'post3' });
       await updateAssociations(post3, {
         user: {
           name: 'user3',
         },
       });
+
       expect(post3.toJSON()).toMatchObject({
         id: 3,
         name: 'post3',
@@ -64,13 +77,15 @@ describe('update associations', () => {
           name: 'user3',
         },
       });
+
       const post4 = await Post.model.create({ name: 'post4' });
       await updateAssociations(post4, {
         user: {
-          id: user.id,
+          id: user.getDataValue('id'),
           name: 'user4',
         },
       });
+
       expect(post4.toJSON()).toMatchObject({
         id: 4,
         name: 'post4',
@@ -98,9 +113,7 @@ describe('update associations', () => {
       });
       Post = db.collection({
         name: 'posts',
-        fields: [
-          { type: 'string', name: 'name' },
-        ],
+        fields: [{ type: 'string', name: 'name' }],
       });
       await db.sync();
     });
@@ -120,16 +133,18 @@ describe('update associations', () => {
           {
             name: 'post1',
             userId: user1.id,
-          }
+          },
         ],
       });
     });
     it('user.posts', async () => {
       const user1 = await User.model.create<any>({ name: 'user1' });
       await updateAssociations(user1, {
-        posts: [{
-          name: 'post1',
-        }],
+        posts: [
+          {
+            name: 'post1',
+          },
+        ],
       });
       expect(user1.toJSON()).toMatchObject({
         name: 'user1',
@@ -137,7 +152,7 @@ describe('update associations', () => {
           {
             name: 'post1',
             userId: user1.id,
-          }
+          },
         ],
       });
     });
@@ -202,7 +217,7 @@ describe('update associations', () => {
           },
           post2.id,
           post3,
-        ]
+        ],
       });
       console.log(JSON.stringify(user1, null, 2));
       expect(user1.toJSON()).toMatchObject({
@@ -263,8 +278,41 @@ describe('update associations', () => {
       await db.close();
     });
 
+    test('create many with nested associations', async () => {
+      await User.repository.createMany({
+        records: [
+          {
+            name: 'u1',
+            posts: [
+              {
+                name: 'u1p1',
+                comments: [
+                  {
+                    name: 'u1p1c1',
+                  },
+                ],
+              },
+            ],
+          },
+          {
+            name: 'u2',
+            posts: [
+              {
+                name: 'u2p1',
+                comments: [
+                  {
+                    name: 'u2p1c1',
+                  },
+                ],
+              },
+            ],
+          },
+        ],
+      });
+    });
+
     it('nested', async () => {
-      const user = await User.model.create<any>({ name: 'user1' });
+      const user = await User.model.create({ name: 'user1' });
       await updateAssociations(user, {
         posts: [
           {
@@ -273,22 +321,92 @@ describe('update associations', () => {
               {
                 name: 'comment1',
               },
+              {
+                name: 'comment12',
+              },
+            ],
+          },
+          {
+            name: 'post2',
+            comments: [
+              {
+                name: 'comment21',
+              },
+              {
+                name: 'comment22',
+              },
             ],
           },
         ],
       });
+
       const post1 = await Post.model.findOne({
-        where: { name: 'post1' }
+        where: { name: 'post1' },
       });
+
       const comment1 = await Comment.model.findOne({
-        where: { name: 'comment1' }
+        where: { name: 'comment1' },
       });
+
       expect(post1).toMatchObject({
         userId: user.get('id'),
       });
+
       expect(comment1).toMatchObject({
         postId: post1.get('id'),
       });
     });
   });
+
+  describe('belongsToMany', () => {
+    let db;
+    let Post;
+    let Tag;
+    let PostTag;
+
+    beforeEach(async () => {
+      db = mockDatabase();
+      PostTag = db.collection({
+        name: 'posts_tags',
+        fields: [{ type: 'string', name: 'tagged_at' }],
+      });
+      Post = db.collection({
+        name: 'posts',
+        fields: [
+          { type: 'belongsToMany', name: 'tags', through: 'posts_tags' },
+          { type: 'string', name: 'title' },
+        ],
+      });
+
+      Tag = db.collection({
+        name: 'tags',
+        fields: [
+          { type: 'belongsToMany', name: 'posts', through: 'posts_tags' },
+          { type: 'string', name: 'name' },
+        ],
+      });
+
+      await db.sync();
+    });
+
+    test('set through value', async () => {
+      const p1 = await Post.repository.create({
+        values: {
+          title: 'hello',
+          tags: [
+            {
+              name: 't1',
+              posts_tags: {
+                tagged_at: '123',
+              },
+            },
+            { name: 't2' },
+          ],
+        },
+      });
+
+      const t1 = (await p1.getTags())[0];
+      expect(t1.posts_tags.tagged_at).toEqual('123');
+    });
+  });
 });
diff --git a/packages/database-next/src/__tests__/update-guard.test.ts b/packages/database-next/src/__tests__/update-guard.test.ts
new file mode 100644
index 000000000..2c96b12a5
--- /dev/null
+++ b/packages/database-next/src/__tests__/update-guard.test.ts
@@ -0,0 +1,372 @@
+import { Collection } from '../collection';
+import { mockDatabase } from './index';
+import { UpdateGuard } from '../update-guard';
+import lodash from 'lodash';
+import { Database } from '../database';
+
+describe('update-guard', () => {
+  let db: Database;
+  let User: Collection;
+  let Post: Collection;
+  let Comment: Collection;
+
+  beforeEach(async () => {
+    db = mockDatabase();
+
+    User = db.collection({
+      name: 'users',
+      fields: [
+        { type: 'string', name: 'name' },
+        { type: 'integer', name: 'age' },
+        { type: 'hasMany', name: 'posts' },
+      ],
+    });
+
+    Post = db.collection({
+      name: 'posts',
+      fields: [
+        { type: 'string', name: 'title' },
+        { type: 'string', name: 'content' },
+        {
+          type: 'belongsTo',
+          name: 'user',
+        },
+        {
+          type: 'hasMany',
+          name: 'comments',
+        },
+      ],
+    });
+
+    Comment = db.collection({
+      name: 'comments',
+      fields: [
+        { type: 'string', name: 'content' },
+        { type: 'string', name: 'comment_as' },
+        { type: 'belongsTo', name: 'post' },
+      ],
+    });
+
+    await db.sync();
+    const repository = User.repository;
+
+    await repository.createMany({
+      records: [
+        {
+          name: 'u1',
+          age: 10,
+          posts: [{ title: 'u1t1', comments: [{ content: 'u1t1c1' }] }],
+        },
+        {
+          name: 'u2',
+          age: 20,
+          posts: [{ title: 'u2t1', comments: ['u2t1c1'] }],
+        },
+        {
+          name: 'u3',
+          age: 30,
+          posts: [{ title: 'u3t1', comments: ['u3t1c1'] }],
+        },
+      ],
+    });
+  });
+
+  afterEach(async () => {
+    await db.close();
+  });
+
+  test('white list', () => {
+    const values = {
+      name: '123',
+      age: 30,
+    };
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setWhiteList(['name']);
+
+    expect(guard.sanitize(values)).toEqual({
+      name: '123',
+    });
+  });
+
+  test('black list', () => {
+    const values = {
+      name: '123',
+      age: 30,
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setBlackList(['name']);
+
+    expect(guard.sanitize(values)).toEqual({
+      age: 30,
+    });
+  });
+
+  test('association black list', () => {
+    const values = {
+      name: 'username123',
+      age: 30,
+      posts: [
+        {
+          title: 'post-title123',
+          content: '345',
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setBlackList(['name', 'posts']);
+
+    expect(guard.sanitize(values)).toEqual({
+      age: 30,
+    });
+  });
+
+  test('association fields black list', () => {
+    const values = {
+      name: 'username123',
+      age: 30,
+      posts: [
+        {
+          title: 'post-title123',
+          content: '345',
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setBlackList(['name', 'posts.content']);
+
+    expect(guard.sanitize(values)).toEqual({
+      age: 30,
+      posts: values.posts.map((p) => {
+        return {
+          title: p.title,
+        };
+      }),
+    });
+  });
+
+  test('association subfield white list', () => {
+    const values = {
+      name: 'username123',
+      age: 30,
+      posts: [
+        {
+          title: 'post-title123',
+          content: '345',
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setWhiteList(['name', 'posts.title']);
+
+    expect(guard.sanitize(values)).toEqual({
+      name: values.name,
+      posts: values.posts.map((post) => {
+        return {
+          title: post.title,
+        };
+      }),
+    });
+  });
+
+  test('association nested fields white list', () => {
+    const values = {
+      name: 'username123',
+      age: 30,
+      posts: [
+        {
+          title: 'post-title123',
+          content: '345',
+          comments: [1, 2, 3],
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setWhiteList(['name', 'posts.comments']);
+
+    expect(guard.sanitize(values)).toEqual({
+      name: values.name,
+      posts: values.posts.map((post) => {
+        return {
+          comments: post.comments,
+        };
+      }),
+    });
+  });
+
+  test('association white list', () => {
+    const values = {
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+    guard.setWhiteList(['posts']);
+
+    expect(guard.sanitize(values)).toEqual({
+      posts: values.posts,
+    });
+  });
+
+  test('associationKeysToBeUpdate', () => {
+    const values = {
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+        {
+          id: 1,
+          title: '456',
+          content: '789',
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+
+    expect(guard.sanitize(values)).toEqual({
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+        {
+          id: 1,
+        },
+      ],
+    });
+
+    guard.setAssociationKeysToBeUpdate(['posts']);
+    expect(guard.sanitize(values)).toEqual(values);
+  });
+
+  test('associationKeysToBeUpdate nested association', () => {
+    const values = {
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+        {
+          id: 1,
+          title: '456',
+          content: '789',
+          comments: [
+            {
+              id: 1,
+              content: '123',
+            },
+          ],
+        },
+      ],
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(User.model);
+
+    expect(guard.sanitize(lodash.clone(values))).toEqual({
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+        {
+          id: 1,
+          comments: [
+            {
+              id: 1,
+            },
+          ],
+        },
+      ],
+    });
+
+    guard.setAssociationKeysToBeUpdate(['posts']);
+
+    expect(guard.sanitize(lodash.clone(values))).toEqual({
+      name: '123',
+      age: 30,
+      posts: [
+        {
+          title: '123',
+          content: '345',
+        },
+        {
+          id: 1,
+          title: '456',
+          content: '789',
+          comments: [
+            {
+              id: 1,
+            },
+          ],
+        },
+      ],
+    });
+  });
+});
+
+describe('One2One Association', () => {
+  test('associationKeysToBeUpdate hasOne & BelongsTo', () => {
+    const db = mockDatabase();
+    const Post = db.collection({
+      name: 'posts',
+      fields: [{ type: 'belongsTo', name: 'user', targetKey: 'uid' }],
+    });
+
+    const User = db.collection({
+      name: 'users',
+      fields: [{ type: 'string', name: 'uid', unique: true }],
+    });
+
+    const values = {
+      title: '123',
+      content: '456',
+      user: {
+        uid: 1,
+        name: '123',
+      },
+    };
+
+    const guard = new UpdateGuard();
+    guard.setModel(Post.model);
+
+    expect(guard.sanitize(values)).toEqual({
+      title: '123',
+      content: '456',
+      user: {
+        uid: 1,
+      },
+    });
+
+    guard.setAssociationKeysToBeUpdate(['user']);
+    expect(guard.sanitize(values)).toEqual(values);
+  });
+});
diff --git a/packages/database-next/src/collection-importer.ts b/packages/database-next/src/collection-importer.ts
new file mode 100644
index 000000000..77a91eeaa
--- /dev/null
+++ b/packages/database-next/src/collection-importer.ts
@@ -0,0 +1,50 @@
+import * as fs from 'fs';
+import path from 'path';
+import lodash from 'lodash';
+
+export type ImportFileExtension = 'js' | 'ts' | 'json';
+
+async function requireModule(module: any) {
+  if (typeof module === 'string') {
+    module = require(module);
+  }
+
+  if (typeof module !== 'object') {
+    return module;
+  }
+  return module.__esModule ? module.default : module;
+}
+
+export class ImporterReader {
+  directory: string;
+  extensions: Set<string>;
+
+  constructor(directory: string, extensions?: ImportFileExtension[]) {
+    this.directory = directory;
+
+    if (!extensions) {
+      extensions = ['js', 'ts', 'json'];
+    }
+
+    this.extensions = new Set(extensions);
+  }
+
+  async read() {
+    const modules = (
+      await fs.promises.readdir(this.directory, {
+        encoding: 'utf-8',
+      })
+    )
+      .filter((fileName) =>
+        this.extensions.has(path.parse(fileName).ext.replace('.', '')),
+      )
+      .map(
+        async (fileName) =>
+          await requireModule(path.join(this.directory, fileName)),
+      );
+
+    return (await Promise.all(modules)).filter((module) =>
+      lodash.isPlainObject(module),
+    );
+  }
+}
diff --git a/packages/database-next/src/collection.ts b/packages/database-next/src/collection.ts
index cea603c3d..bf612eae0 100644
--- a/packages/database-next/src/collection.ts
+++ b/packages/database-next/src/collection.ts
@@ -1,27 +1,39 @@
-import { Sequelize, ModelCtor, Model, DataTypes, Utils } from 'sequelize';
+import { Sequelize, ModelCtor, Model, ModelOptions } from 'sequelize';
 import { EventEmitter } from 'events';
 import { Database } from './database';
-import { Field } from './fields';
+import { Field, FieldOptions } from './fields';
+
 import _ from 'lodash';
 import { Repository } from './repository';
+import { SyncOptions } from 'sequelize/types/lib/sequelize';
+import lodash from 'lodash';
+import merge from 'deepmerge';
+const { hooks } = require('sequelize/lib/hooks');
 
-export interface CollectionOptions {
+export type RepositoryType = typeof Repository;
+
+export interface CollectionOptions extends Omit<ModelOptions, 'name'> {
   name: string;
   tableName?: string;
-  fields?: any;
-  [key: string]: any;
+  fields?: FieldOptions[];
+  model?: string | ModelCtor<Model>;
+  repository?: string | RepositoryType;
 }
 
 export interface CollectionContext {
   database: Database;
 }
 
-export class Collection extends EventEmitter {
+export class Collection<
+  TModelAttributes extends {} = any,
+  TCreationAttributes extends {} = TModelAttributes,
+> extends EventEmitter {
   options: CollectionOptions;
   context: CollectionContext;
-  fields: Map<string, any>;
-  model: ModelCtor<Model>;
-  repository: Repository;
+  isThrough?: boolean;
+  fields: Map<string, any> = new Map<string, any>();
+  model: ModelCtor<Model<TModelAttributes, TCreationAttributes>>;
+  repository: Repository<TModelAttributes, TCreationAttributes>;
 
   get name() {
     return this.options.name;
@@ -29,23 +41,62 @@ export class Collection extends EventEmitter {
 
   constructor(options: CollectionOptions, context?: CollectionContext) {
     super();
-    this.options = options;
     this.context = context;
-    this.fields = new Map<string, any>();
-    this.model = class extends Model<any, any> {};
-    const attributes = {};
-    const { name, tableName } = options;
-    // TODO: 不能重复 model.init，如果有涉及 InitOptions 参数修改，需要另外处理。
-    this.model.init(attributes, {
-      ..._.omit(options, ['name', 'fields']),
-      sequelize: context.database.sequelize,
-      modelName: name,
-      tableName: tableName || name,
-    });
-    this.on('field.afterAdd', (field) => field.bind());
-    this.on('field.afterRemove', (field) => field.unbind());
+    this.options = options;
+    this.bindFieldEventListener();
+    this.modelInit();
     this.setFields(options.fields);
-    this.repository = new Repository(this);
+    this.setRepository(options.repository);
+  }
+
+  private sequelizeModelOptions() {
+    const { name, tableName } = this.options;
+    return {
+      ..._.omit(this.options, ['name', 'fields']),
+      modelName: name,
+      sequelize: this.context.database.sequelize,
+      tableName: tableName || name,
+    };
+  }
+
+  /**
+   * TODO
+   */
+  modelInit() {
+    if (this.model) {
+      return;
+    }
+    const { name, model } = this.options;
+    let M = Model;
+    if (this.context.database.sequelize.isDefined(name)) {
+      const m = this.context.database.sequelize.model(name);
+      if ((m as any).isThrough) {
+        this.model = m;
+        return;
+      }
+    }
+    if (typeof model === 'string') {
+      M = this.context.database.models.get(model) || Model;
+    } else if (model) {
+      M = model;
+    }
+    this.model = class extends M {};
+    this.model.init(null, this.sequelizeModelOptions());
+  }
+
+  setRepository(repository?: RepositoryType | string) {
+    let repo = Repository;
+    if (typeof repository === 'string') {
+      repo = this.context.database.repositories.get(repository) || Repository;
+    }
+    this.repository = new repo(this);
+  }
+
+  private bindFieldEventListener() {
+    this.on('field.afterAdd', (field: Field) => {
+      field.bind();
+    });
+    this.on('field.afterRemove', (field) => field.unbind());
   }
 
   forEachField(callback: (field: Field) => void) {
@@ -64,36 +115,44 @@ export class Collection extends EventEmitter {
     return this.fields.get(name);
   }
 
-  addField(options) {
-    const { name, ...others } = options;
-    if (!name) {
-      return this;
-    }
-    const { database } = this.context;
-    const field = database.buildField({ name, ...others }, {
-      ...this.context,
-      collection: this,
-      model: this.model,
-    });
-    this.fields.set(name, field);
-    this.emit('field.afterAdd', field);
+  addField(name: string, options: Omit<FieldOptions, 'name'>): Field {
+    return this.setField(name, options);
   }
 
-  setFields(fields: any, reset = true) {
-    if (!fields) {
-      return this;
+  setField(name: string, options: Omit<FieldOptions, 'name'>): Field {
+    const { database } = this.context;
+
+    const field = database.buildField(
+      { name, ...options },
+      {
+        ...this.context,
+        collection: this,
+      },
+    );
+
+    this.fields.set(name, field);
+    this.emit('field.afterAdd', field);
+    return field;
+  }
+
+  setFields(fields: FieldOptions[], resetFields = true) {
+    if (!Array.isArray(fields)) {
+      return;
     }
-    if (reset) {
-      this.fields.clear();
+
+    if (resetFields) {
+      this.resetFields();
     }
-    if (Array.isArray(fields)) {
-      for (const field of fields) {
-        this.addField(field);
-      }
-    } else if (typeof fields === 'object') {
-      for (const [name, options] of Object.entries<any>(fields)) {
-        this.addField({...options, name});
-      }
+
+    for (const { name, ...options } of fields) {
+      this.addField(name, options);
+    }
+  }
+
+  resetFields() {
+    const fieldNames = this.fields.keys();
+    for (const fieldName of fieldNames) {
+      this.removeField(fieldName);
     }
   }
 
@@ -106,13 +165,73 @@ export class Collection extends EventEmitter {
     return bool;
   }
 
-  // TODO
-  extend(options) {
-    const { fields } = options;
-    this.setFields(fields);
+  /**
+   * TODO
+   *
+   * @param name
+   * @param options
+   */
+  updateOptions(options: CollectionOptions, mergeOptions?: any) {
+    let newOptions = lodash.cloneDeep(options);
+    newOptions = merge(this.options, newOptions, mergeOptions);
+
+    this.context.database.emit('beforeUpdateCollection', this, newOptions);
+
+    this.setFields(options.fields, false);
+    this.setRepository(options.repository);
+
+    if (newOptions.hooks) {
+      this.setUpHooks(newOptions.hooks);
+    }
+
+    this.context.database.emit('afterUpdateCollection', this);
   }
 
-  sync() {
-    
+  setUpHooks(bindHooks) {
+    (<any>this.model)._setupHooks(bindHooks);
+  }
+
+  /**
+   * TODO
+   *
+   * @param name
+   * @param options
+   */
+  updateField(name: string, options: FieldOptions) {
+    if (!this.hasField(name)) {
+      throw new Error(`field ${name} not exists`);
+    }
+
+    if (options.name && options.name !== name) {
+      this.removeField(name);
+    }
+
+    this.setField(options.name || name, options);
+  }
+
+  async sync(syncOptions?: SyncOptions) {
+    const modelNames = [this.model.name];
+
+    const associations = this.model.associations;
+
+    for (const associationKey in associations) {
+      const association = associations[associationKey];
+      modelNames.push(association.target.name);
+      if ((<any>association).through) {
+        modelNames.push((<any>association).through.model.name);
+      }
+    }
+
+    const models: ModelCtor<Model>[] = [];
+    // @ts-ignore
+    this.context.database.sequelize.modelManager.forEachModel((model) => {
+      if (modelNames.includes(model.name)) {
+        models.push(model);
+      }
+    });
+
+    for (const model of models) {
+      await model.sync(syncOptions);
+    }
   }
 }
diff --git a/packages/database-next/src/database.ts b/packages/database-next/src/database.ts
index 64acf66de..ef1cd153d 100644
--- a/packages/database-next/src/database.ts
+++ b/packages/database-next/src/database.ts
@@ -7,26 +7,62 @@ import {
   Op,
   Utils,
 } from 'sequelize';
+
 import { EventEmitter } from 'events';
-import { Collection, CollectionOptions } from './collection';
+import { Collection, CollectionOptions, RepositoryType } from './collection';
 import * as FieldTypes from './fields';
-import { RelationField } from './fields';
+import {
+  BaseFieldOptions,
+  Field,
+  FieldContext,
+  FieldOptions,
+  RelationField,
+} from './fields';
+import { applyMixins, AsyncEmitter } from '@nocobase/utils';
+
+import merge from 'deepmerge';
+import { ModelHook } from './model-hook';
+import { ImporterReader, ImportFileExtension } from './collection-importer';
+
+import extendOperators from './operators';
+
+export interface MergeOptions extends merge.Options {}
 
 export interface PendingOptions {
   field: RelationField;
   model: ModelCtor<Model>;
 }
 
+interface MapOf<T> {
+  [key: string]: T;
+}
+
 export type DatabaseOptions = Options | Sequelize;
 
-export class Database extends EventEmitter {
+interface RegisterOperatorsContext {
+  db?: Database;
+  path?: string;
+  field?: Field;
+}
+
+type OperatorFunc = (value: any, ctx?: RegisterOperatorsContext) => any;
+
+export class Database extends EventEmitter implements AsyncEmitter {
   sequelize: Sequelize;
   fieldTypes = new Map();
-  models = new Map();
-  repositories = new Map();
+  models = new Map<string, ModelCtor<any>>();
+  repositories = new Map<string, RepositoryType>();
   operators = new Map();
-  collections: Map<string, Collection>;
+  collections = new Map<string, Collection>();
   pendingFields = new Map<string, RelationField[]>();
+  modelCollection = new Map<ModelCtor<any>, Collection>();
+
+  modelHook: ModelHook;
+
+  delayCollectionExtend = new Map<
+    string,
+    { collectionOptions: CollectionOptions; mergeOptions?: any }[]
+  >();
 
   constructor(options: DatabaseOptions) {
     super();
@@ -38,14 +74,22 @@ export class Database extends EventEmitter {
     }
 
     this.collections = new Map();
+    this.modelHook = new ModelHook(this);
 
-    this.on('collection.afterDefine', (collection) => {
-      const items = this.pendingFields.get(collection.name);
-      for (const field of items || []) {
-        field.bind();
-      }
+    this.on('afterDefineCollection', (collection: Collection) => {
+      // after collection defined, call bind method on pending fields
+      this.pendingFields.get(collection.name)?.forEach((field) => field.bind());
+      this.delayCollectionExtend
+        .get(collection.name)
+        ?.forEach((collectionExtend) => {
+          collection.updateOptions(
+            collectionExtend.collectionOptions,
+            collectionExtend.mergeOptions,
+          );
+        });
     });
 
+    // register database field types
     for (const [name, field] of Object.entries(FieldTypes)) {
       if (['Field', 'RelationField'].includes(name)) {
         continue;
@@ -57,35 +101,53 @@ export class Database extends EventEmitter {
       });
     }
 
-    const operators = new Map();
-
-    // Sequelize 内置
-    for (const key in Op) {
-      operators.set('$' + key, Op[key]);
-      const val = Utils.underscoredIf(key, true);
-      operators.set('$' + val, Op[key]);
-      operators.set('$' + val.replace(/_/g, ''), Op[key]);
-    }
-
-    this.operators = operators;
+    this.initOperators();
   }
 
-  collection(options: CollectionOptions) {
-    let collection = this.collections.get(options.name);
-    if (collection) {
-      collection.extend(options);
-    } else {
-      collection = new Collection(options, { database: this });
-    }
+  /**
+   * Add collection to database
+   * @param options
+   */
+  collection<Attributes = any, CreateAttributes = Attributes>(
+    options: CollectionOptions,
+  ): Collection<Attributes, CreateAttributes> {
+    this.emit('beforeDefineCollection', options);
+
+    const collection = new Collection(options, {
+      database: this,
+    });
+
     this.collections.set(collection.name, collection);
-    this.emit('collection.afterDefine', collection);
+    this.modelCollection.set(collection.model, collection);
+
+    this.emit('afterDefineCollection', collection);
+
     return collection;
   }
 
-  getCollection(name: string) {
+  /**
+   * get exists collection by its name
+   * @param name
+   */
+  getCollection(name: string): Collection {
     return this.collections.get(name);
   }
 
+  hasCollection(name: string): boolean {
+    return this.collections.has(name);
+  }
+
+  removeCollection(name: string) {
+    const collection = this.collections.get(name);
+    this.emit('beforeRemoveCollection', collection);
+
+    const result = this.collections.delete(name);
+
+    if (result) {
+      this.emit('afterRemoveCollection', collection);
+    }
+  }
+
   addPendingField(field: RelationField) {
     const associating = this.pendingFields;
     const items = this.pendingFields.get(field.target) || [];
@@ -102,33 +164,54 @@ export class Database extends EventEmitter {
     }
   }
 
-  registerFieldTypes(fieldTypes: any) {
+  registerFieldTypes(fieldTypes: MapOf<typeof Field>) {
     for (const [type, fieldType] of Object.entries(fieldTypes)) {
       this.fieldTypes.set(type, fieldType);
     }
   }
 
-  registerModels(models: any) {
+  registerModels(models: MapOf<ModelCtor<any>>) {
     for (const [type, schemaType] of Object.entries(models)) {
       this.models.set(type, schemaType);
     }
   }
 
-  registerRepositories(repositories: any) {
+  registerRepositories(repositories: MapOf<RepositoryType>) {
     for (const [type, schemaType] of Object.entries(repositories)) {
       this.repositories.set(type, schemaType);
     }
   }
 
-  registerOperators(operators) {
+  initOperators() {
+    const operators = new Map();
+
+    // Sequelize 内置
+    for (const key in Op) {
+      operators.set('$' + key, Op[key]);
+      const val = Utils.underscoredIf(key, true);
+      operators.set('$' + val, Op[key]);
+      operators.set('$' + val.replace(/_/g, ''), Op[key]);
+    }
+
+    this.operators = operators;
+
+    this.registerOperators({
+      ...extendOperators,
+    });
+  }
+
+  registerOperators(operators: MapOf<OperatorFunc>) {
     for (const [key, operator] of Object.entries(operators)) {
       this.operators.set(key, operator);
     }
   }
 
-  buildField(options, context) {
+  buildField(options, context: FieldContext) {
     const { type } = options;
     const Field = this.fieldTypes.get(type);
+    if (!Field) {
+      throw Error(`unsupported field type ${type}`);
+    }
     return new Field(options, context);
   }
 
@@ -147,4 +230,71 @@ export class Database extends EventEmitter {
   async close() {
     return this.sequelize.close();
   }
+
+  on(event: string | symbol, listener: (...args: any[]) => void): this {
+    const modelEventName = this.modelHook.isModelHook(event);
+
+    if (modelEventName && !this.modelHook.hasBindEvent(modelEventName)) {
+      this.sequelize.addHook(
+        modelEventName,
+        this.modelHook.sequelizeHookBuilder(modelEventName),
+      );
+
+      this.modelHook.bindEvent(modelEventName);
+    }
+
+    return super.on(event, listener);
+  }
+
+  async import(options: {
+    directory: string;
+    extensions?: ImportFileExtension[];
+  }): Promise<Map<string, Collection>> {
+    const reader = new ImporterReader(options.directory, options.extensions);
+    const modules = await reader.read();
+    const result = new Map<string, Collection>();
+
+    for (const module of modules) {
+      if (module.extend) {
+        const collectionName = module.collectionOptions.name;
+        const existCollection = this.getCollection(collectionName);
+        if (existCollection) {
+          existCollection.updateOptions(
+            module.collectionOptions,
+            module.mergeOptions,
+          );
+        } else {
+          const existDelayExtends =
+            this.delayCollectionExtend.get(collectionName) || [];
+
+          this.delayCollectionExtend.set(collectionName, [
+            ...existDelayExtends,
+            module,
+          ]);
+        }
+      } else {
+        const collection = this.collection(module);
+        result.set(collection.name, collection);
+      }
+    }
+
+    return result;
+  }
+
+  emitAsync: (event: string | symbol, ...args: any[]) => Promise<boolean>;
 }
+
+export function extend(
+  collectionOptions: CollectionOptions,
+  mergeOptions?: MergeOptions,
+) {
+  return {
+    collectionOptions,
+    mergeOptions,
+    extend: true,
+  };
+}
+
+applyMixins(Database, [AsyncEmitter]);
+
+export default Database;
diff --git a/packages/database-next/src/fields/array-field.ts b/packages/database-next/src/fields/array-field.ts
new file mode 100644
index 000000000..f48fbaaa3
--- /dev/null
+++ b/packages/database-next/src/fields/array-field.ts
@@ -0,0 +1,43 @@
+import { BaseColumnFieldOptions, Field } from './field';
+import { DataTypes } from 'sequelize';
+
+export class ArrayField extends Field {
+  get dataType() {
+    if (this.database.sequelize.getDialect() === 'postgres') {
+      return DataTypes.JSONB;
+    }
+
+    return DataTypes.JSON;
+  }
+
+  sortValue(model) {
+    const oldValue = model.get(this.options.name);
+    if (oldValue) {
+      const newValue = oldValue.sort();
+      model.set(this.options.name, newValue);
+    }
+  }
+
+  bind() {
+    super.bind();
+
+    if (this.isSqlite()) {
+      this.collection.model.addHook(
+        'beforeCreate',
+        'array-field-sort',
+        this.sortValue.bind(this),
+      );
+    }
+  }
+
+  unbind() {
+    super.unbind();
+    if (this.isSqlite()) {
+      this.collection.model.removeHook('beforeCreate', 'array-field-sort');
+    }
+  }
+}
+
+export interface ArrayFieldOptions extends BaseColumnFieldOptions {
+  type: 'array';
+}
diff --git a/packages/database-next/src/fields/belongs-to-field.ts b/packages/database-next/src/fields/belongs-to-field.ts
index ef095eee2..9c40a62e5 100644
--- a/packages/database-next/src/fields/belongs-to-field.ts
+++ b/packages/database-next/src/fields/belongs-to-field.ts
@@ -1,9 +1,12 @@
 import { omit } from 'lodash';
 import { Sequelize, ModelCtor, Model, DataTypes, Utils } from 'sequelize';
-import { RelationField } from './relation-field';
+import { BaseRelationFieldOptions, RelationField } from './relation-field';
+import { HasInverseField } from './has-inverse-field';
+import { BaseColumnFieldOptions, Field } from './field';
+import { HasManyField } from './has-many-field';
+import { BelongsToOptions as SequelizeBelongsToOptions } from 'sequelize/types/lib/associations/belongs-to';
 
 export class BelongsToField extends RelationField {
-
   static type = 'belongsTo';
 
   get target() {
@@ -14,23 +17,39 @@ export class BelongsToField extends RelationField {
   bind() {
     const { database, collection } = this.context;
     const Target = this.TargetModel;
+
+    // if target model not exists, add it to pending field,
+    // it will bind later
     if (!Target) {
       database.addPendingField(this);
       return false;
     }
+
+    if (collection.model.associations[this.name]) {
+      delete collection.model.associations[this.name];
+    }
+
+    // define relation on sequelize model
     const association = collection.model.belongsTo(Target, {
       as: this.name,
       ...omit(this.options, ['name', 'type', 'target']),
     });
+
+    // inverse relation
+    this.TargetModel.hasMany(collection.model);
+
     // 建立关系之后从 pending 列表中删除
     database.removePendingField(this);
+
     if (!this.options.foreignKey) {
       this.options.foreignKey = association.foreignKey;
     }
+
     if (!this.options.sourceKey) {
       // @ts-ignore
       this.options.sourceKey = association.sourceKey;
     }
+
     return true;
   }
 
@@ -54,3 +73,9 @@ export class BelongsToField extends RelationField {
     collection.model.refreshAttributes();
   }
 }
+
+export interface BelongsToFieldOptions
+  extends BaseRelationFieldOptions,
+    SequelizeBelongsToOptions {
+  type: 'belongsTo';
+}
diff --git a/packages/database-next/src/fields/belongs-to-many-field.ts b/packages/database-next/src/fields/belongs-to-many-field.ts
index 5a0cad0bc..e0e8acacf 100644
--- a/packages/database-next/src/fields/belongs-to-many-field.ts
+++ b/packages/database-next/src/fields/belongs-to-many-field.ts
@@ -1,9 +1,11 @@
 import { omit } from 'lodash';
 import { Sequelize, ModelCtor, Model, DataTypes, Utils } from 'sequelize';
-import { RelationField } from './relation-field';
+import { Collection } from '../collection';
+import { BaseRelationFieldOptions, RelationField } from './relation-field';
+import { BaseColumnFieldOptions } from './field';
+import { BelongsToManyOptions as SequelizeBelongsToManyOptions } from 'sequelize/types/lib/associations/belongs-to-many';
 
 export class BelongsToManyField extends RelationField {
-
   get through() {
     return (
       this.options.through ||
@@ -22,18 +24,27 @@ export class BelongsToManyField extends RelationField {
       return false;
     }
     const through = this.through;
-    let Through =
-      database.getCollection(through) ||
-      database.collection({
+
+    let Through: Collection;
+
+    if (database.hasCollection(through)) {
+      Through = database.getCollection(through);
+    } else {
+      Through = database.collection({
         name: through,
       });
+      Object.defineProperty(Through.model, 'isThrough', { value: true });
+    }
+
     const association = collection.model.belongsToMany(Target, {
       ...omit(this.options, ['name', 'type', 'target']),
       as: this.name,
       through: Through.model,
     });
+
     // 建立关系之后从 pending 列表中删除
     database.removePendingField(this);
+
     if (!this.options.foreignKey) {
       this.options.foreignKey = association.foreignKey;
     }
@@ -51,3 +62,10 @@ export class BelongsToManyField extends RelationField {
     delete collection.model.associations[this.name];
   }
 }
+
+export interface BelongsToManyFieldOptions
+  extends BaseRelationFieldOptions,
+    Omit<SequelizeBelongsToManyOptions, 'through'> {
+  type: 'belongsToMany';
+  through?: string;
+}
diff --git a/packages/database-next/src/fields/boolean-field.ts b/packages/database-next/src/fields/boolean-field.ts
new file mode 100644
index 000000000..ee97a43b6
--- /dev/null
+++ b/packages/database-next/src/fields/boolean-field.ts
@@ -0,0 +1,12 @@
+import { DataTypes } from 'sequelize';
+import { BaseColumnFieldOptions, Field } from './field';
+
+export class BooleanField extends Field {
+  get dataType() {
+    return DataTypes.BOOLEAN;
+  }
+}
+
+export interface BooleanFieldOptions extends BaseColumnFieldOptions {
+  type: 'boolean';
+}
diff --git a/packages/database-next/src/fields/date-field.ts b/packages/database-next/src/fields/date-field.ts
index 5de85c954..3d37b403d 100644
--- a/packages/database-next/src/fields/date-field.ts
+++ b/packages/database-next/src/fields/date-field.ts
@@ -1,8 +1,12 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class DateField extends Field {
   get dataType() {
     return DataTypes.DATE;
   }
 }
+
+export interface DateFieldOptions extends BaseColumnFieldOptions {
+  type: 'date';
+}
diff --git a/packages/database-next/src/fields/field.ts b/packages/database-next/src/fields/field.ts
index 02502a0cb..373486560 100644
--- a/packages/database-next/src/fields/field.ts
+++ b/packages/database-next/src/fields/field.ts
@@ -1,14 +1,28 @@
-import { Sequelize, ModelCtor, Model, DataTypes, Utils } from 'sequelize';
-import { EventEmitter } from 'events';
 import { Collection } from '../collection';
 import { Database } from '../database';
 import _ from 'lodash';
+import {
+  DataType,
+  ModelAttributeColumnOptions,
+  ModelIndexesOptions,
+} from 'sequelize';
 
 export interface FieldContext {
   database: Database;
   collection: Collection;
 }
 
+export interface BaseFieldOptions {
+  name: string;
+}
+
+export interface BaseColumnFieldOptions
+  extends BaseFieldOptions,
+    Omit<ModelAttributeColumnOptions, 'type'> {
+  dataType?: DataType;
+  index?: boolean | ModelIndexesOptions;
+}
+
 export abstract class Field {
   options: any;
   context: FieldContext;
@@ -67,4 +81,8 @@ export abstract class Field {
     }
     return opts;
   }
+
+  isSqlite() {
+    return this.database.sequelize.getDialect() === 'sqlite';
+  }
 }
diff --git a/packages/database-next/src/fields/float-field.ts b/packages/database-next/src/fields/float-field.ts
deleted file mode 100644
index 8f83a44f6..000000000
--- a/packages/database-next/src/fields/float-field.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { DataTypes } from 'sequelize';
-import { Field } from './field';
-
-export class FloatField extends Field {
-  get dataType() {
-    return DataTypes.FLOAT;
-  }
-}
diff --git a/packages/database-next/src/fields/has-inverse-field.ts b/packages/database-next/src/fields/has-inverse-field.ts
new file mode 100644
index 000000000..7640e298a
--- /dev/null
+++ b/packages/database-next/src/fields/has-inverse-field.ts
@@ -0,0 +1,5 @@
+import { Field } from './field';
+
+export interface HasInverseField {
+  inverseField: () => Field;
+}
diff --git a/packages/database-next/src/fields/has-many-field.ts b/packages/database-next/src/fields/has-many-field.ts
index fb9d062fc..fe7832d53 100644
--- a/packages/database-next/src/fields/has-many-field.ts
+++ b/packages/database-next/src/fields/has-many-field.ts
@@ -9,7 +9,9 @@ import {
   HasManyOptions,
   Utils,
 } from 'sequelize';
-import { RelationField } from './relation-field';
+import { BaseRelationFieldOptions, RelationField } from './relation-field';
+import { BaseColumnFieldOptions } from './field';
+import { HasManyOptions as SequelizeHasManyOptions } from 'sequelize/types/lib/associations/has-many';
 
 export interface HasManyFieldOptions extends HasManyOptions {
   /**
@@ -73,7 +75,6 @@ export interface HasManyFieldOptions extends HasManyOptions {
 }
 
 export class HasManyField extends RelationField {
-
   get foreignKey() {
     if (this.options.foreignKey) {
       return this.options.foreignKey;
@@ -82,8 +83,8 @@ export class HasManyField extends RelationField {
     return Utils.camelize(
       [
         model.options.name.singular,
-        this.sourceKey || model.primaryKeyAttribute
-      ].join('_')
+        this.sourceKey || model.primaryKeyAttribute,
+      ].join('_'),
     );
   }
 
@@ -94,13 +95,23 @@ export class HasManyField extends RelationField {
       database.addPendingField(this);
       return false;
     }
+
+    if (collection.model.associations[this.name]) {
+      delete collection.model.associations[this.name];
+    }
+
     const association = collection.model.hasMany(Target, {
       as: this.name,
       foreignKey: this.foreignKey,
       ...omit(this.options, ['name', 'type', 'target']),
     });
+
+    // inverse relation
+    this.TargetModel.belongsTo(collection.model);
+
     // 建立关系之后从 pending 列表中删除
     database.removePendingField(this);
+
     if (!this.options.foreignKey) {
       this.options.foreignKey = association.foreignKey;
     }
@@ -133,3 +144,9 @@ export class HasManyField extends RelationField {
     collection.model.refreshAttributes();
   }
 }
+
+export interface HasManyFieldOptions
+  extends BaseRelationFieldOptions,
+    SequelizeHasManyOptions {
+  type: 'hasMany';
+}
diff --git a/packages/database-next/src/fields/has-one-field.ts b/packages/database-next/src/fields/has-one-field.ts
index 8d21f7e7a..2f0e3b7f0 100644
--- a/packages/database-next/src/fields/has-one-field.ts
+++ b/packages/database-next/src/fields/has-one-field.ts
@@ -9,7 +9,9 @@ import {
   HasOneOptions,
   Utils,
 } from 'sequelize';
-import { RelationField } from './relation-field';
+import { BaseRelationFieldOptions, RelationField } from './relation-field';
+import { BaseColumnFieldOptions } from './field';
+import { HasOneOptions as SequelizeHasOneOptions } from 'sequelize/types/lib/associations/has-one';
 
 export interface HasOneFieldOptions extends HasOneOptions {
   /**
@@ -73,7 +75,6 @@ export interface HasOneFieldOptions extends HasOneOptions {
 }
 
 export class HasOneField extends RelationField {
-
   get target() {
     const { target, name } = this.options;
     return target || Utils.pluralize(name);
@@ -85,10 +86,7 @@ export class HasOneField extends RelationField {
     }
     const { model } = this.context.collection;
     return Utils.camelize(
-      [
-        model.options.name.singular,
-        model.primaryKeyAttribute
-      ].join('_')
+      [model.options.name.singular, model.primaryKeyAttribute].join('_'),
     );
   }
 
@@ -138,3 +136,9 @@ export class HasOneField extends RelationField {
     collection.model.refreshAttributes();
   }
 }
+
+export interface HasOneFieldOptions
+  extends BaseRelationFieldOptions,
+    SequelizeHasOneOptions {
+  type: 'hasOne';
+}
diff --git a/packages/database-next/src/fields/index.ts b/packages/database-next/src/fields/index.ts
index 7e9dab58a..05e39fdac 100644
--- a/packages/database-next/src/fields/index.ts
+++ b/packages/database-next/src/fields/index.ts
@@ -1,9 +1,60 @@
-export * from './field';
-export * from './string-field';
-export * from './relation-field'
-export * from './belongs-to-field'
+import { StringFieldOptions } from './string-field';
+
+import { BooleanFieldOptions } from './boolean-field';
+import { BelongsToFieldOptions } from './belongs-to-field';
+import { HasOneFieldOptions } from './has-one-field';
+import { HasManyFieldOptions } from './has-many-field';
+import { BelongsToManyFieldOptions } from './belongs-to-many-field';
+import {
+  DecimalFieldOptions,
+  DoubleFieldOptions,
+  FloatFieldOptions,
+  IntegerFieldOptions,
+  RealFieldOptions,
+} from './number-field';
+import { JsonbFieldOptions, JsonFieldOptions } from './json-field';
+import { SortFieldOptions } from './sort-field';
+import { TextFieldOptions } from './text-field';
+import { VirtualFieldOptions } from './virtual-field';
+import { TimeFieldOptions } from './time-field';
+import { DateFieldOptions } from './date-field';
+import { ArrayFieldOptions } from './array-field';
+
+export * from './array-field';
+export * from './belongs-to-field';
 export * from './belongs-to-many-field';
-export * from './has-one-field';
+export * from './boolean-field';
+export * from './date-field';
 export * from './has-many-field';
+export * from './has-one-field';
 export * from './json-field';
+export * from './number-field';
+export * from './relation-field';
 export * from './sort-field';
+export * from './string-field';
+export * from './text-field';
+export * from './time-field';
+export * from './uid-field';
+export * from './virtual-field';
+export * from './field';
+
+export type FieldOptions =
+  | StringFieldOptions
+  | IntegerFieldOptions
+  | FloatFieldOptions
+  | DecimalFieldOptions
+  | DoubleFieldOptions
+  | RealFieldOptions
+  | JsonFieldOptions
+  | JsonbFieldOptions
+  | BooleanFieldOptions
+  | SortFieldOptions
+  | TextFieldOptions
+  | VirtualFieldOptions
+  | ArrayFieldOptions
+  | TimeFieldOptions
+  | DateFieldOptions
+  | BelongsToFieldOptions
+  | HasOneFieldOptions
+  | HasManyFieldOptions
+  | BelongsToManyFieldOptions;
diff --git a/packages/database-next/src/fields/integer-field.ts b/packages/database-next/src/fields/integer-field.ts
deleted file mode 100644
index eda93e17f..000000000
--- a/packages/database-next/src/fields/integer-field.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { DataTypes } from 'sequelize';
-import { Field } from './field';
-
-export class IntegerField extends Field {
-  get dataType() {
-    return DataTypes.INTEGER;
-  }
-}
diff --git a/packages/database-next/src/fields/json-field.ts b/packages/database-next/src/fields/json-field.ts
index 3641bbf7d..19ea21cdb 100644
--- a/packages/database-next/src/fields/json-field.ts
+++ b/packages/database-next/src/fields/json-field.ts
@@ -1,5 +1,5 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class JsonField extends Field {
   get dataType() {
@@ -7,6 +7,10 @@ export class JsonField extends Field {
   }
 }
 
+export interface JsonFieldOptions extends BaseColumnFieldOptions {
+  type: 'json';
+}
+
 export class JsonbField extends Field {
   get dataType() {
     const dialect = this.context.database.sequelize.getDialect();
@@ -16,3 +20,6 @@ export class JsonbField extends Field {
     return DataTypes.JSON;
   }
 }
+export interface JsonbFieldOptions extends BaseColumnFieldOptions {
+  type: 'jsonb';
+}
diff --git a/packages/database-next/src/fields/number-field.ts b/packages/database-next/src/fields/number-field.ts
index b012d3d54..09b828000 100644
--- a/packages/database-next/src/fields/number-field.ts
+++ b/packages/database-next/src/fields/number-field.ts
@@ -1,5 +1,5 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class IntegerField extends Field {
   get dataType() {
@@ -7,26 +7,46 @@ export class IntegerField extends Field {
   }
 }
 
+export interface IntegerFieldOptions extends BaseColumnFieldOptions {
+  type: 'integer';
+}
+
 export class FloatField extends Field {
   get dataType() {
     return DataTypes.FLOAT;
   }
 }
 
+export interface FloatFieldOptions extends BaseColumnFieldOptions {
+  type: 'float';
+}
+
 export class DoubleField extends Field {
   get dataType() {
     return DataTypes.DOUBLE;
   }
 }
 
+export interface DoubleFieldOptions extends BaseColumnFieldOptions {
+  type: 'double';
+}
+
 export class RealField extends Field {
   get dataType() {
     return DataTypes.REAL;
   }
 }
 
+export interface RealFieldOptions extends BaseColumnFieldOptions {
+  type: 'real';
+}
+
 export class DecimalField extends Field {
   get dataType() {
     return DataTypes.DECIMAL;
   }
 }
+
+export interface DecimalFieldOptions extends BaseColumnFieldOptions {
+  type: 'decimal';
+}
diff --git a/packages/database-next/src/fields/relation-field.ts b/packages/database-next/src/fields/relation-field.ts
index fbefd216c..1fa365287 100644
--- a/packages/database-next/src/fields/relation-field.ts
+++ b/packages/database-next/src/fields/relation-field.ts
@@ -1,6 +1,11 @@
-import { Field } from './field';
+import { BaseFieldOptions, Field } from './field';
+
+export interface BaseRelationFieldOptions extends BaseFieldOptions {}
 
 export abstract class RelationField extends Field {
+  /**
+   * target relation name
+   */
   get target() {
     const { target, name } = this.options;
     return target || name;
@@ -14,6 +19,10 @@ export abstract class RelationField extends Field {
     return this.options.sourceKey;
   }
 
+  /**
+   * get target model from database by it's name
+   * @constructor
+   */
   get TargetModel() {
     return this.context.database.sequelize.models[this.target];
   }
diff --git a/packages/database-next/src/fields/sort-field.ts b/packages/database-next/src/fields/sort-field.ts
index a47b98037..1aaf799b2 100644
--- a/packages/database-next/src/fields/sort-field.ts
+++ b/packages/database-next/src/fields/sort-field.ts
@@ -1,6 +1,6 @@
 import { isNumber } from 'lodash';
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class SortField extends Field {
   get dataType() {
@@ -23,3 +23,8 @@ export class SortField extends Field {
     });
   }
 }
+
+export interface SortFieldOptions extends BaseColumnFieldOptions {
+  type: 'sort';
+  scopeKey?: string;
+}
diff --git a/packages/database-next/src/fields/string-field.ts b/packages/database-next/src/fields/string-field.ts
index b29d0061d..db7e60617 100644
--- a/packages/database-next/src/fields/string-field.ts
+++ b/packages/database-next/src/fields/string-field.ts
@@ -1,8 +1,12 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class StringField extends Field {
   get dataType() {
     return DataTypes.STRING;
   }
 }
+
+export interface StringFieldOptions extends BaseColumnFieldOptions {
+  type: 'string';
+}
diff --git a/packages/database-next/src/fields/text-field.ts b/packages/database-next/src/fields/text-field.ts
index f049e407d..c1d15e4e4 100644
--- a/packages/database-next/src/fields/text-field.ts
+++ b/packages/database-next/src/fields/text-field.ts
@@ -1,8 +1,12 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class TextField extends Field {
   get dataType() {
     return DataTypes.TEXT;
   }
 }
+
+export interface TextFieldOptions extends BaseColumnFieldOptions {
+  type: 'text';
+}
diff --git a/packages/database-next/src/fields/time-field.ts b/packages/database-next/src/fields/time-field.ts
index 9de30d5b7..f9a487b9b 100644
--- a/packages/database-next/src/fields/time-field.ts
+++ b/packages/database-next/src/fields/time-field.ts
@@ -1,8 +1,12 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class TimeField extends Field {
   get dataType() {
     return DataTypes.TIME;
   }
 }
+
+export interface TimeFieldOptions extends BaseColumnFieldOptions {
+  type: 'time';
+}
diff --git a/packages/database-next/src/fields/uid-field.ts b/packages/database-next/src/fields/uid-field.ts
new file mode 100644
index 000000000..3e2be1ba3
--- /dev/null
+++ b/packages/database-next/src/fields/uid-field.ts
@@ -0,0 +1,23 @@
+import { DataTypes } from 'sequelize';
+import { uid } from '../utils';
+import { BaseColumnFieldOptions, Field } from './field';
+
+export class UidField extends Field {
+  get dataType() {
+    return DataTypes.STRING;
+  }
+
+  init() {
+    const { name, prefix = '' } = this.options;
+    const { model } = this.context.collection;
+    model.beforeCreate(async (instance) => {
+      if (!instance.get(name)) {
+        instance.set(name, `${prefix}${uid()}`);
+      }
+    });
+  }
+}
+
+export interface UidFieldOptions extends BaseColumnFieldOptions {
+  type: 'uid';
+}
diff --git a/packages/database-next/src/fields/virtual-field.ts b/packages/database-next/src/fields/virtual-field.ts
index 2a706f47a..7d03b1fe5 100644
--- a/packages/database-next/src/fields/virtual-field.ts
+++ b/packages/database-next/src/fields/virtual-field.ts
@@ -1,8 +1,12 @@
 import { DataTypes } from 'sequelize';
-import { Field } from './field';
+import { BaseColumnFieldOptions, Field } from './field';
 
 export class VirtualField extends Field {
   get dataType() {
     return DataTypes.VIRTUAL;
   }
 }
+
+export interface VirtualFieldOptions extends BaseColumnFieldOptions {
+  type: 'virtual';
+}
diff --git a/packages/database-next/src/filter-parser.ts b/packages/database-next/src/filter-parser.ts
new file mode 100644
index 000000000..7d01bbd2c
--- /dev/null
+++ b/packages/database-next/src/filter-parser.ts
@@ -0,0 +1,220 @@
+import { Model, ModelCtor } from 'sequelize';
+import _ from 'lodash';
+import { flatten, unflatten } from 'flat';
+import { Database } from './database';
+import lodash from 'lodash';
+
+const debug = require('debug')('noco-database');
+
+type FilterType = any;
+
+export default class FilterParser {
+  database: Database;
+  model: ModelCtor<Model>;
+  filter: FilterType;
+
+  constructor(model: ModelCtor<any>, database: Database, filter: FilterType) {
+    this.model = model;
+    this.filter = this.prepareFilter(filter);
+    this.database = database;
+  }
+
+  prepareFilter(filter: FilterType) {
+    if (lodash.isPlainObject(filter)) {
+      const renamedKey = {};
+
+      for (const key of Object.keys(filter)) {
+        if (key.endsWith('.$exists') || key.endsWith('.$notExists')) {
+          const keyArr = key.split('.');
+          if (keyArr[keyArr.length - 2] == 'id') {
+            continue;
+          }
+
+          keyArr.splice(keyArr.length - 1, 0, 'id');
+          renamedKey[key] = keyArr.join('.');
+        }
+      }
+
+      for (const [oldKey, newKey] of Object.entries(renamedKey)) {
+        // @ts-ignore
+        filter[newKey] = filter[oldKey];
+        delete filter[oldKey];
+      }
+    }
+
+    return filter;
+  }
+
+  toSequelizeParams() {
+    debug('filter %o', this.filter);
+
+    if (!this.filter) {
+      return {};
+    }
+
+    const filter = this.filter;
+
+    const model = this.model;
+
+    // supported operators
+    const operators = this.database.operators;
+
+    const originalFiler = lodash.cloneDeep(filter || {});
+
+    const flattenedFilter = flatten(filter || {});
+
+    debug('flattened filter %o', flattenedFilter);
+
+    const include = {};
+    const where = {};
+    const filter2 = lodash.cloneDeep(flattenedFilter);
+
+    let skipPrefix = null;
+    const associations = model.associations;
+    debug('associations %O', associations);
+
+    for (let [key, value] of Object.entries(flattenedFilter)) {
+      // 处理 filter 条件
+      if (skipPrefix && key.startsWith(skipPrefix)) {
+        continue;
+      }
+
+      debug('handle filter key "%s: "%s"', key, value);
+      let keys = key.split('.');
+
+      // paths ?
+      const paths = [];
+
+      // origins ?
+      const origins = [];
+
+      while (keys.length) {
+        debug('keys: %o, paths: %o, origins: %o', keys, paths, origins);
+
+        // move key from keys to origins
+        const firstKey = keys.shift();
+        origins.push(firstKey);
+
+        debug('origins: %o', origins);
+
+        if (firstKey.startsWith('$')) {
+          if (operators.has(firstKey)) {
+            debug('%s is operator', firstKey);
+            // if firstKey is operator
+            const opKey = operators.get(firstKey);
+            debug('operator key %s, operator: %o', firstKey, opKey);
+
+            // 默认操作符
+            if (typeof opKey === 'symbol') {
+              paths.push(opKey);
+              continue;
+            } else if (typeof opKey === 'function') {
+              skipPrefix = origins.join('.');
+
+              value = opKey(originalFiler[skipPrefix], {
+                db: this.database,
+                path: skipPrefix,
+                fieldName: skipPrefix.replace(`.${firstKey}`, ''),
+                model: this.model,
+              });
+              break;
+            }
+          } else {
+            paths.push(firstKey);
+            continue;
+          }
+        }
+
+        // firstKey is number
+        if (/\d+/.test(firstKey)) {
+          paths.push(firstKey);
+          continue;
+        }
+
+        // firstKey is not association
+        if (!associations[firstKey]) {
+          paths.push(firstKey);
+          continue;
+        }
+
+        const associationKeys = [];
+
+        associationKeys.push(firstKey);
+
+        debug('associationKeys %o', associationKeys);
+
+        // set sequelize include option
+        _.set(include, firstKey, {
+          association: firstKey,
+          attributes: [], // out put empty fields by default
+        });
+
+        // association target model
+        let target = associations[firstKey].target;
+        debug('association target %o', target);
+
+        while (target) {
+          const attr = keys.shift();
+          origins.push(attr);
+          // if it is target model attribute
+          if (target.rawAttributes[attr]) {
+            associationKeys.push(attr);
+            target = null;
+          } else if (target.associations[attr]) {
+            // if it is target model association (nested association filter)
+            associationKeys.push(attr);
+            const assoc = [];
+            associationKeys.forEach((associationKey, index) => {
+              if (index > 0) {
+                assoc.push('include');
+              }
+              assoc.push(associationKey);
+            });
+            _.set(include, assoc, {
+              association: attr,
+              attributes: [],
+            });
+            target = target.associations[attr].target;
+          } else {
+            throw new Error(
+              `${attr} neither ${firstKey}'s association nor ${firstKey}'s attribute`,
+            );
+          }
+        }
+
+        debug('associationKeys %o', associationKeys);
+
+        if (associationKeys.length > 1) {
+          paths.push(`$${associationKeys.join('.')}$`);
+        } else {
+          paths.push(firstKey);
+        }
+      }
+
+      debug('where %o, paths %o, value, %o', where, paths, value);
+
+      const values = _.get(where, paths);
+
+      if (
+        values &&
+        typeof values === 'object' &&
+        value &&
+        typeof value === 'object'
+      ) {
+        value = { ...value, ...values };
+      }
+      _.set(where, paths, value);
+    }
+
+    const toInclude = (items) => {
+      return Object.values(items).map((item: any) => {
+        if (item.include) {
+          item.include = toInclude(item.include);
+        }
+        return item;
+      });
+    };
+    debug('where %o, include %o', where, include);
+    return { where, include: toInclude(include) };
+  }
+}
diff --git a/packages/database-next/src/index.ts b/packages/database-next/src/index.ts
index e69de29bb..446c4e4d9 100644
--- a/packages/database-next/src/index.ts
+++ b/packages/database-next/src/index.ts
@@ -0,0 +1,4 @@
+export * from './database';
+export * from './collection';
+export * from './utils';
+export { Database as default } from './database';
diff --git a/packages/database-next/src/model-hook.ts b/packages/database-next/src/model-hook.ts
new file mode 100644
index 000000000..55ba6bd6f
--- /dev/null
+++ b/packages/database-next/src/model-hook.ts
@@ -0,0 +1,62 @@
+import Database from './database';
+import lodash from 'lodash';
+import { Model } from 'sequelize';
+import { SequelizeHooks } from 'sequelize/types/lib/hooks';
+
+const { hooks } = require('sequelize/lib/hooks');
+
+export class ModelHook {
+  database: Database;
+  boundEvent = new Set<string>();
+
+  constructor(database: Database) {
+    this.database = database;
+  }
+
+  isModelHook(eventName: string | symbol): keyof SequelizeHooks | false {
+    if (lodash.isString(eventName)) {
+      const hookType = eventName.split('.').pop();
+
+      if (hooks[hookType]) {
+        return <keyof SequelizeHooks>hookType;
+      }
+    }
+
+    return false;
+  }
+
+  findModelName(hookArgs) {
+    for (const arg of hookArgs) {
+      if (arg instanceof Model) {
+        return (<Model>arg).constructor.name;
+      }
+
+      if (lodash.isPlainObject(arg) && arg['model']) {
+        return arg['model'].name;
+      }
+    }
+
+    return null;
+  }
+
+  bindEvent(eventName) {
+    this.boundEvent.add(eventName);
+  }
+
+  hasBindEvent(eventName) {
+    return this.boundEvent.has(eventName);
+  }
+
+  sequelizeHookBuilder(eventName) {
+    return async (...args: any[]) => {
+      const modelName = this.findModelName(args);
+      if (modelName) {
+        // emit model event
+        await this.database.emitAsync(`${modelName}.${eventName}`, ...args);
+      }
+
+      // emit sequelize global event
+      await this.database.emitAsync(eventName, ...args);
+    };
+  }
+}
diff --git a/packages/database-next/src/operators/array.ts b/packages/database-next/src/operators/array.ts
new file mode 100644
index 000000000..50a2ff0bf
--- /dev/null
+++ b/packages/database-next/src/operators/array.ts
@@ -0,0 +1,158 @@
+import { Op, Sequelize } from 'sequelize';
+
+const getFieldName = (ctx) => {
+  const fieldName = ctx.fieldName;
+  return fieldName;
+};
+
+const escape = (value, ctx) => {
+  const sequelize: Sequelize = ctx.db.sequelize;
+  return sequelize.escape(value);
+};
+
+const sqliteExistQuery = (value, ctx) => {
+  const fieldName = getFieldName(ctx);
+
+  const sqlArray = `(${value
+    .map((v) => JSON.stringify(v.toString()))
+    .join(', ')})`;
+
+  const subQuery = `exists (select * from json_each(${fieldName}) where json_each.value in ${sqlArray})`;
+
+  return subQuery;
+};
+
+const emptyQuery = (ctx, operator: '=' | '>') => {
+  const fieldName = getFieldName(ctx);
+
+  let funcName = 'json_array_length';
+  let ifNull = 'IFNULL';
+
+  if (isPg(ctx)) {
+    funcName = 'jsonb_array_length';
+    ifNull = 'coalesce';
+  }
+
+  if (isMySQL(ctx)) {
+    funcName = 'json_length';
+  }
+
+  return `(select ${ifNull}(${funcName}(${fieldName}), 0) ${operator} 0)`;
+};
+
+const getDialect = (ctx) => {
+  return ctx.db.sequelize.getDialect();
+};
+
+const isPg = (ctx) => {
+  return getDialect(ctx) === 'postgres';
+};
+
+const isMySQL = (ctx) => {
+  return getDialect(ctx) === 'mysql';
+};
+
+export default {
+  $match(value, ctx) {
+    value = escape(JSON.stringify(value.sort()), ctx);
+
+    const fieldName = getFieldName(ctx);
+    if (isPg(ctx)) {
+      return {
+        [Op.contained]: value,
+        [Op.contains]: value,
+      };
+    }
+
+    if (isMySQL(ctx)) {
+      return Sequelize.literal(
+        `JSON_CONTAINS(${fieldName}, ${value}) AND JSON_CONTAINS(${value}, ${fieldName})`,
+      );
+    }
+
+    return {
+      [Op.eq]: Sequelize.literal(`json(${value})`),
+    };
+  },
+
+  $notMatch(value, ctx) {
+    const fieldName = getFieldName(ctx);
+    value = escape(JSON.stringify(value), ctx);
+
+    if (isPg(ctx)) {
+      return Sequelize.literal(
+        `not (${fieldName} <@ ${escape(
+          value,
+          ctx,
+        )}::JSONB and ${fieldName} @> ${value}::JSONB)`,
+      );
+    }
+
+    if (isMySQL(ctx)) {
+      return Sequelize.literal(
+        `not (JSON_CONTAINS(${fieldName}, ${value}) AND JSON_CONTAINS(${value}, ${fieldName}))`,
+      );
+    }
+    return {
+      [Op.ne]: Sequelize.literal(`json(${value})`),
+    };
+  },
+
+  // TODO sql injection
+  $anyOf(value, ctx) {
+    if (isPg(ctx)) {
+      return {
+        [Op.contains]: value,
+      };
+    }
+
+    if (isMySQL(ctx)) {
+      const fieldName = getFieldName(ctx);
+      value = escape(JSON.stringify(value), ctx);
+      return Sequelize.literal(`JSON_OVERLAPS(${fieldName}, ${value})`);
+    }
+
+    const subQuery = sqliteExistQuery(value, ctx);
+
+    return Sequelize.literal(subQuery);
+  },
+
+  $noneOf(value, ctx) {
+    if (isPg(ctx)) {
+      const fieldName = getFieldName(ctx);
+      // pg single quote
+      const queryValue = JSON.stringify(value).replace("'", "''");
+      return Sequelize.literal(
+        `not (${fieldName} @> ${escape(queryValue, ctx)}::JSONB)`,
+      );
+    }
+
+    if (isMySQL(ctx)) {
+      const fieldName = getFieldName(ctx);
+      value = escape(JSON.stringify(value), ctx);
+      return Sequelize.literal(`NOT JSON_OVERLAPS(${fieldName}, ${value})`);
+    }
+
+    const subQuery = sqliteExistQuery(value, ctx);
+
+    return {
+      [Op.and]: [Sequelize.literal(`not ${subQuery}`)],
+    };
+  },
+
+  $arrayEmpty(value, ctx) {
+    const subQuery = emptyQuery(ctx, '=');
+
+    return {
+      [Op.and]: [Sequelize.literal(`${subQuery}`)],
+    };
+  },
+
+  $arrayNotEmpty(value, ctx) {
+    const subQuery = emptyQuery(ctx, '>');
+
+    return {
+      [Op.and]: [Sequelize.literal(`${subQuery}`)],
+    };
+  },
+};
diff --git a/packages/database-next/src/operators/association.ts b/packages/database-next/src/operators/association.ts
new file mode 100644
index 000000000..9f3babb33
--- /dev/null
+++ b/packages/database-next/src/operators/association.ts
@@ -0,0 +1,14 @@
+import { Op, Sequelize } from 'sequelize';
+
+export default {
+  $exists(value, ctx) {
+    return {
+      [Op.not]: null,
+    };
+  },
+  $notExists(value, ctx) {
+    return {
+      [Op.is]: null,
+    };
+  },
+};
diff --git a/packages/database-next/src/operators/date.ts b/packages/database-next/src/operators/date.ts
new file mode 100644
index 000000000..206e515f6
--- /dev/null
+++ b/packages/database-next/src/operators/date.ts
@@ -0,0 +1,47 @@
+import { Op } from 'sequelize';
+import moment, { MomentInput } from 'moment';
+function stringToDate(value: string): Date {
+  return moment(value).toDate();
+}
+
+function getNextDay(value: MomentInput): Date {
+  return moment(value).add(1, 'd').toDate();
+}
+
+export default {
+  $dateOn(value) {
+    return {
+      [Op.and]: [
+        { [Op.gte]: stringToDate(value) },
+        { [Op.lt]: getNextDay(value) },
+      ],
+    };
+  },
+
+  $dateNotOn(value) {
+    return {
+      [Op.or]: [
+        { [Op.lt]: stringToDate(value) },
+        { [Op.gte]: getNextDay(value) },
+      ],
+    };
+  },
+
+  $dateBefore(value) {
+    return { [Op.lt]: stringToDate(value) };
+  },
+
+  $dateNotBefore(value) {
+    return {
+      [Op.gte]: stringToDate(value),
+    };
+  },
+
+  $dateAfter(value) {
+    return { [Op.gte]: getNextDay(value) };
+  },
+
+  $dateNotAfter(value) {
+    return { [Op.lt]: getNextDay(value) };
+  },
+};
diff --git a/packages/database-next/src/operators/empty.ts b/packages/database-next/src/operators/empty.ts
new file mode 100644
index 000000000..627b0893f
--- /dev/null
+++ b/packages/database-next/src/operators/empty.ts
@@ -0,0 +1,69 @@
+import { DataTypes, Op } from 'sequelize';
+import { ArrayField, StringField } from '../fields';
+import arrayOperators from './array';
+
+const findFilterFieldType = (ctx) => {
+  const db = ctx.db;
+
+  let path = ctx.path.split('.');
+
+  // remove operators
+  path.pop();
+
+  const fieldName = path.pop();
+
+  let model = ctx.model;
+
+  const associationPath = path;
+
+  for (const association of associationPath) {
+    model = model.associations[association].target;
+  }
+
+  const collection = db.modelCollection.get(model);
+
+  return collection.getField(fieldName);
+};
+export default {
+  $empty(_, ctx) {
+    const field = findFilterFieldType(ctx);
+
+    if (field instanceof StringField) {
+      return {
+        [Op.or]: {
+          [Op.is]: null,
+          [Op.eq]: '',
+        },
+      };
+    }
+
+    if (field instanceof ArrayField) {
+      return arrayOperators.$arrayEmpty(_, ctx);
+    }
+
+    return {
+      [Op.is]: null,
+    };
+  },
+
+  $notEmpty(_, ctx) {
+    const field = findFilterFieldType(ctx);
+
+    if (field instanceof StringField) {
+      return {
+        [Op.and]: {
+          [Op.not]: null,
+          [Op.ne]: '',
+        },
+      };
+    }
+
+    if (field instanceof ArrayField) {
+      return arrayOperators.$arrayNotEmpty(_, ctx);
+    }
+
+    return {
+      [Op.not]: null,
+    };
+  },
+};
diff --git a/packages/database-next/src/operators/index.ts b/packages/database-next/src/operators/index.ts
new file mode 100644
index 000000000..a76fc9276
--- /dev/null
+++ b/packages/database-next/src/operators/index.ts
@@ -0,0 +1,6 @@
+export default {
+  ...require('./association').default,
+  ...require('./date').default,
+  ...require('./array').default,
+  ...require('./empty').default,
+};
diff --git a/packages/database-next/src/options-parser.ts b/packages/database-next/src/options-parser.ts
new file mode 100644
index 000000000..379b10673
--- /dev/null
+++ b/packages/database-next/src/options-parser.ts
@@ -0,0 +1,273 @@
+import { Appends, Except, FindOptions } from './repository';
+import FilterParser from './filter-parser';
+import { FindAttributeOptions, ModelCtor } from 'sequelize';
+import { Database } from './database';
+
+const debug = require('debug')('noco-database');
+
+export class OptionsParser {
+  options: FindOptions;
+  database: Database;
+  model: ModelCtor<any>;
+  filterParser: FilterParser;
+
+  constructor(model: ModelCtor<any>, database: Database, options: FindOptions) {
+    this.model = model;
+    this.options = options;
+    this.database = database;
+    this.filterParser = new FilterParser(model, this.database, options?.filter);
+  }
+
+  isAssociation(key: string) {
+    return this.model.associations[key] !== undefined;
+  }
+
+  isAssociationPath(path: string) {
+    return this.isAssociation(path.split('.')[0]);
+  }
+
+  parseFilterByPk() {
+    if (this.options?.filterByPk) {
+      return {
+        where: {
+          [this.model.primaryKeyAttribute]: this.options.filterByPk,
+        },
+      };
+    }
+
+    return null;
+  }
+
+  toSequelizeParams() {
+    const filterParams = this.options?.filterByPk
+      ? this.parseFilterByPk()
+      : this.filterParser.toSequelizeParams();
+    return this.parseSort(this.parseFields(filterParams));
+  }
+
+  /**
+   * parser sort options
+   * @param filterParams
+   * @protected
+   */
+  protected parseSort(filterParams) {
+    const sort = this.options?.sort || [];
+
+    const orderParams = sort.map((sortKey: string) => {
+      const direction = sortKey.startsWith('-') ? 'DESC' : 'ASC';
+      const sortField: Array<any> = sortKey.replace('-', '').split('.');
+
+      // handle sort by association
+      if (sortField.length > 1) {
+        let associationModel = this.model;
+
+        for (let i = 0; i < sortField.length - 1; i++) {
+          const associationKey = sortField[i];
+          sortField[i] = associationModel.associations[associationKey].target;
+          associationModel = sortField[i];
+        }
+      }
+
+      sortField.push(direction);
+      return sortField;
+    });
+
+    if (orderParams.length > 0) {
+      return {
+        order: orderParams,
+        ...filterParams,
+      };
+    }
+
+    return filterParams;
+  }
+
+  protected parseFields(filterParams: any) {
+    const appends = this.options?.appends || [];
+    const except = [];
+
+    let attributes: FindAttributeOptions = {
+      include: [],
+      exclude: [],
+    }; // out put all fields by default
+
+    if (this.options?.fields) {
+      // 将fields拆分为 attributes 和 appends
+      for (const field of this.options.fields) {
+        if (this.isAssociationPath(field)) {
+          // field is association field
+          appends.push(field);
+        } else {
+          // field is model attribute, change attributes to array type
+          if (!Array.isArray(attributes)) attributes = [];
+
+          attributes.push(field);
+        }
+      }
+    }
+
+    if (this.options?.except) {
+      for (const exceptKey of this.options.except) {
+        if (this.isAssociationPath(exceptKey)) {
+          // except association field
+          except.push(exceptKey);
+        } else {
+          // if attributes is array form, ignore except
+          if (Array.isArray(attributes)) continue;
+          attributes.exclude.push(exceptKey);
+        }
+      }
+    }
+
+    return {
+      attributes,
+      ...this.parseExcept(except, this.parseAppends(appends, filterParams)),
+    };
+  }
+
+  protected parseExcept(except: Except, filterParams: any) {
+    if (!except) return filterParams;
+    const setExcept = (queryParams: any, except: string) => {
+      // split exceptKey to path form
+      // posts.comments.content => ['posts', 'comments', 'content']
+      // then set except on include attributes
+      const exceptPath = except.split('.');
+      const association = exceptPath[0];
+      const lastLevel = exceptPath.length <= 2;
+
+      let existIncludeIndex = queryParams['include'].findIndex(
+        (include) => include['association'] == association,
+      );
+
+      if (existIncludeIndex == -1) {
+        // if include not exists, ignore this except
+        return;
+      }
+
+      if (lastLevel) {
+        // if it not have exclude form
+        if (
+          Array.isArray(queryParams['include'][existIncludeIndex]['attributes'])
+        ) {
+          return;
+        } else {
+          if (
+            !queryParams['include'][existIncludeIndex]['attributes']['exclude']
+          ) {
+            queryParams['include'][existIncludeIndex]['attributes']['exclude'] =
+              [];
+          }
+
+          queryParams['include'][existIncludeIndex]['attributes'][
+            'exclude'
+          ].push(exceptPath[1]);
+        }
+      } else {
+        setExcept(
+          queryParams['include'][existIncludeIndex],
+          exceptPath.filter((_, index) => index !== 0).join('.'),
+        );
+      }
+    };
+
+    for (const exceptKey of except) {
+      setExcept(filterParams, exceptKey);
+    }
+
+    return filterParams;
+  }
+
+  protected parseAppends(appends: Appends, filterParams: any) {
+    if (!appends) return filterParams;
+    const associations = this.model.associations;
+
+    /**
+     * set include params
+     * @param includeRoot
+     * @param appends
+     */
+    const setInclude = (queryParams: any, append: string) => {
+      const appendFields = append.split('.');
+      const appendAssociation = appendFields[0];
+
+      // if append length less or equal 2
+      // example:
+      //  appends: ['posts']
+      //  appends: ['posts.title']
+      //  All of these can be seen as last level
+      const lastLevel = appendFields.length <= 2;
+
+      // find association index
+      if (queryParams['include'] == undefined) {
+        queryParams['include'] = [];
+      }
+
+      let existIncludeIndex = queryParams['include'].findIndex(
+        (include) => include['association'] == appendAssociation,
+      );
+
+      // if association not exist, create it
+      if (existIncludeIndex == -1) {
+        // association not exists
+        queryParams['include'].push({
+          association: appendAssociation,
+        });
+
+        existIncludeIndex = 0;
+      }
+
+      // end appends
+      // without nests association
+      if (lastLevel) {
+        // get exist association attributes
+        let attributes = queryParams['include'][existIncludeIndex][
+          'attributes'
+        ] || {
+          include: [], // all fields are output by default
+        };
+
+        // if need set attribute
+        if (appendFields.length == 2) {
+          if (!Array.isArray(attributes)) {
+            attributes = [];
+          }
+
+          // push field to it
+          attributes.push(appendFields[1]);
+        } else {
+          // if attributes is empty array, change it to object
+          if (Array.isArray(attributes) && attributes.length == 0) {
+            attributes = {
+              include: [],
+            };
+          }
+        }
+
+        // set new attributes
+        queryParams['include'][existIncludeIndex] = {
+          ...queryParams['include'][existIncludeIndex],
+          attributes,
+        };
+      } else {
+        setInclude(
+          queryParams['include'][existIncludeIndex],
+          appendFields.filter((_, index) => index !== 0).join('.'),
+        );
+      }
+    };
+
+    // handle every appends
+    for (const append of appends) {
+      const appendFields = append.split('.');
+
+      if (!associations[appendFields[0]]) {
+        throw new Error(`${append} is not a valid association`);
+      }
+
+      setInclude(filterParams, append);
+    }
+
+    debug('filter params: %o', filterParams);
+    return filterParams;
+  }
+}
diff --git a/packages/database-next/src/playground.ts b/packages/database-next/src/playground.ts
new file mode 100644
index 000000000..99685a31a
--- /dev/null
+++ b/packages/database-next/src/playground.ts
@@ -0,0 +1,52 @@
+import { Database } from './database';
+import FilterParser from './filter-parser';
+
+const db = new Database({
+  dialect: 'sqlite',
+  dialectModule: require('sqlite3'),
+  storage: ':memory:',
+});
+
+(async () => {
+  const User = db.collection({
+    name: 'users',
+    fields: [{ type: 'string', name: 'name' }],
+  });
+
+  const Post = db.collection({
+    name: 'posts',
+    fields: [
+      { type: 'string', name: 'title' },
+      {
+        type: 'belongsTo',
+        name: 'user',
+      },
+    ],
+  });
+
+  await db.sync();
+
+  const repository = User.repository;
+
+  await repository.createMany({
+    records: [
+      { name: 'u1', posts: [{ title: 'u1t1' }] },
+      { name: 'u2', posts: [{ title: 'u2t1' }] },
+      { name: 'u3', posts: [{ title: 'u3t1' }] },
+    ]
+  });
+
+  const Model = User.model;
+  const user = await Model.findOne({
+    subQuery: false,
+    where: {
+      '$posts.title$': 'u1t1',
+    },
+    include: { association: 'posts', attributes: [] },
+    attributes: {
+      include: [],
+    },
+  });
+
+  console.log(user.toJSON());
+})();
diff --git a/packages/database-next/src/relation-repository/belongs-to-many-repository.ts b/packages/database-next/src/relation-repository/belongs-to-many-repository.ts
new file mode 100644
index 000000000..000fb9205
--- /dev/null
+++ b/packages/database-next/src/relation-repository/belongs-to-many-repository.ts
@@ -0,0 +1,270 @@
+import { BelongsToMany, Model, Op, Transaction } from 'sequelize';
+import { updateThroughTableValue } from '../update-associations';
+import {
+  FindAndCountOptions,
+  FindOneOptions,
+  MultipleRelationRepository,
+} from './multiple-relation-repository';
+import {
+  CreateOptions,
+  DestroyOptions,
+  FindOptions,
+  PrimaryKey,
+  UpdateOptions,
+} from '../repository';
+import { AssociatedOptions, PrimaryKeyWithThroughValues } from './types';
+import lodash from 'lodash';
+import { transaction } from './relation-repository';
+
+type CreateBelongsToManyOptions = CreateOptions;
+
+interface IBelongsToManyRepository<M extends Model> {
+  find(options?: FindOptions): Promise<M[]>;
+  findAndCount(options?: FindAndCountOptions): Promise<[M[], number]>;
+  findOne(options?: FindOneOptions): Promise<M>;
+  // 新增并关联，存在中间表数据
+  create(options?: CreateBelongsToManyOptions): Promise<M>;
+  // 更新，存在中间表数据
+  update(options?: UpdateOptions): Promise<M>;
+  // 删除
+  destroy(
+    options?: number | string | number[] | string[] | DestroyOptions,
+  ): Promise<Boolean>;
+  // 建立关联
+  set(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+  // 附加关联，存在中间表数据
+  add(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+  // 移除关联
+  remove(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+  toggle(
+    options: PrimaryKey | { pk?: PrimaryKey; transaction?: Transaction },
+  ): Promise<void>;
+}
+
+export class BelongsToManyRepository
+  extends MultipleRelationRepository
+  implements IBelongsToManyRepository<any>
+{
+  @transaction()
+  async create(options?: CreateBelongsToManyOptions): Promise<any> {
+    const transaction = await this.getTransaction(options);
+
+    const createAccessor = this.accessors().create;
+    const values = options.values;
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    const createOptions = {
+      through: values[this.throughName()],
+      transaction,
+    };
+
+    return sourceModel[createAccessor](values, createOptions);
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      filterByPk: args[0],
+      transaction,
+    };
+  })
+  async destroy(
+    options?: PrimaryKey | PrimaryKey[] | DestroyOptions,
+  ): Promise<Boolean> {
+    const transaction = await this.getTransaction(options);
+    const association = <BelongsToMany>this.association;
+
+    const instancesToIds = (instances) => {
+      return instances.map((instance) =>
+        instance.get(this.target.primaryKeyAttribute),
+      );
+    };
+
+    // Through Table
+    const throughTableWhere: Array<any> = [
+      {
+        [association.foreignKey]: this.sourceId,
+      },
+    ];
+
+    let ids;
+
+    if (options && options['filter']) {
+      const instances = await this.find({
+        filter: options['filter'],
+        transaction,
+      });
+
+      ids = instancesToIds(instances);
+    } else if (options && options['filterByPk']) {
+      options = options['filterByPk'];
+
+      const instances = (<any>this.association).toInstanceArray(options);
+      ids = instancesToIds(instances);
+    } else if (options && !options['filterByPk']) {
+      const sourceModel = await this.getSourceModel(transaction);
+
+      const instances = await sourceModel[this.accessors().get]({
+        transaction,
+      });
+
+      ids = instancesToIds(instances);
+    }
+
+    throughTableWhere.push({
+      [association.otherKey]: {
+        [Op.in]: ids,
+      },
+    });
+
+    // delete through table data
+    await this.throughModel().destroy({
+      where: throughTableWhere,
+      transaction,
+    });
+
+    await this.target.destroy({
+      where: {
+        [this.target.primaryKeyAttribute]: {
+          [Op.in]: ids,
+        },
+      },
+      transaction,
+    });
+
+    return true;
+  }
+
+  protected async setTargets(
+    call: 'add' | 'set',
+    options:
+      | PrimaryKey
+      | PrimaryKey[]
+      | PrimaryKeyWithThroughValues
+      | PrimaryKeyWithThroughValues[]
+      | AssociatedOptions,
+  ) {
+    let handleKeys: PrimaryKey[] | PrimaryKeyWithThroughValues[];
+
+    const transaction = await this.getTransaction(options, false);
+
+    if (lodash.isPlainObject(options)) {
+      options = (<AssociatedOptions>options).pk || [];
+    }
+
+    if (lodash.isString(options) || lodash.isNumber(options)) {
+      handleKeys = [<PrimaryKey>options];
+    } // if it is type primaryKeyWithThroughValues
+    else if (
+      lodash.isArray(options) &&
+      options.length == 2 &&
+      lodash.isPlainObject(options[0][1])
+    ) {
+      handleKeys = [<PrimaryKeyWithThroughValues>options];
+    } else {
+      handleKeys = <PrimaryKey[] | PrimaryKeyWithThroughValues[]>options;
+    }
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    const setObj = (<any>handleKeys).reduce((carry, item) => {
+      if (Array.isArray(item)) {
+        carry[item[0]] = item[1];
+      } else {
+        carry[item] = true;
+      }
+      return carry;
+    }, {});
+
+    await sourceModel[this.accessors()[call]](Object.keys(setObj), {
+      transaction,
+    });
+
+    for (const [id, throughValues] of Object.entries(setObj)) {
+      if (typeof throughValues === 'object') {
+        const instance = await this.target.findByPk(id, {
+          transaction,
+        });
+        await updateThroughTableValue(
+          instance,
+          this.throughName(),
+          throughValues,
+          sourceModel,
+          transaction,
+        );
+      }
+    }
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async add(
+    options:
+      | PrimaryKey
+      | PrimaryKey[]
+      | PrimaryKeyWithThroughValues
+      | PrimaryKeyWithThroughValues[]
+      | AssociatedOptions,
+  ): Promise<void> {
+    await this.setTargets('add', options);
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async set(
+    options:
+      | PrimaryKey
+      | PrimaryKey[]
+      | PrimaryKeyWithThroughValues
+      | PrimaryKeyWithThroughValues[]
+      | AssociatedOptions,
+  ): Promise<void> {
+    await this.setTargets('set', options);
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async toggle(
+    options: PrimaryKey | { pk?: PrimaryKey; transaction?: Transaction },
+  ): Promise<void> {
+    const transaction = await this.getTransaction(options);
+    const sourceModel = await this.getSourceModel(transaction);
+    const has = await sourceModel[this.accessors().hasSingle](options['pk'], {
+      transaction,
+    });
+
+    if (has) {
+      await this.remove({
+        ...(<any>options),
+        transaction,
+      });
+    } else {
+      await this.add({
+        ...(<any>options),
+        transaction,
+      });
+    }
+
+    return;
+  }
+
+  throughName() {
+    return this.throughModel().name;
+  }
+
+  throughModel() {
+    return (<any>this.association).through.model;
+  }
+}
diff --git a/packages/database-next/src/relation-repository/belongs-to-repository.ts b/packages/database-next/src/relation-repository/belongs-to-repository.ts
new file mode 100644
index 000000000..24e12fba0
--- /dev/null
+++ b/packages/database-next/src/relation-repository/belongs-to-repository.ts
@@ -0,0 +1,28 @@
+import { Model } from 'sequelize';
+
+import {
+  SingleRelationFindOption,
+  SingleRelationRepository,
+} from './single-relation-repository';
+import { CreateOptions, UpdateOptions } from '../repository';
+
+interface BelongsToFindOptions extends SingleRelationFindOption {}
+
+interface IBelongsToRepository<M extends Model> {
+  // 不需要 findOne，find 就是 findOne
+  find(options?: BelongsToFindOptions): Promise<M>;
+  // 新增并关联，如果存在关联，解除之后，与新数据建立关联
+  create(options?: CreateOptions): Promise<M>;
+  // 更新
+  update(options?: UpdateOptions): Promise<M>;
+  // 删除
+  destroy(): Promise<Boolean>;
+  // 建立关联
+  set(primaryKey: any): Promise<void>;
+  // 移除关联
+  remove(): Promise<void>;
+}
+
+export class BelongsToRepository
+  extends SingleRelationRepository
+  implements IBelongsToRepository<any> {}
diff --git a/packages/database-next/src/relation-repository/hasmany-repository.ts b/packages/database-next/src/relation-repository/hasmany-repository.ts
new file mode 100644
index 000000000..332f5f286
--- /dev/null
+++ b/packages/database-next/src/relation-repository/hasmany-repository.ts
@@ -0,0 +1,143 @@
+import { BelongsToMany, HasMany, Model, Op, Sequelize } from 'sequelize';
+
+import {
+  AssociatedOptions,
+  FindAndCountOptions,
+  FindOneOptions,
+  MultipleRelationRepository,
+} from './multiple-relation-repository';
+import {
+  CreateOptions,
+  DestroyOptions,
+  FindOptions,
+  PK,
+  PrimaryKey,
+  UpdateOptions,
+} from '../repository';
+import { transaction } from './relation-repository';
+
+interface IHasManyRepository<M extends Model> {
+  find(options?: FindOptions): Promise<M>;
+  findAndCount(options?: FindAndCountOptions): Promise<[M[], number]>;
+  findOne(options?: FindOneOptions): Promise<M>;
+  // 新增并关联
+  create(options?: CreateOptions): Promise<M>;
+  // 更新
+  update(options?: UpdateOptions): Promise<M>;
+  // 删除
+  destroy(options?: PK | DestroyOptions): Promise<Boolean>;
+  // 建立关联
+  set(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+  // 附加关联
+  add(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+  // 移除关联
+  remove(options: PrimaryKey | PrimaryKey[] | AssociatedOptions): Promise<void>;
+}
+
+export class HasManyRepository
+  extends MultipleRelationRepository
+  implements IHasManyRepository<any>
+{
+  @transaction((args, transaction) => {
+    return {
+      filterByPk: args[0],
+      transaction,
+    };
+  })
+  async destroy(options?: PK | DestroyOptions): Promise<Boolean> {
+    const transaction = await this.getTransaction(options);
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    const where = [
+      {
+        [this.association.foreignKey]: sourceModel.get(
+          this.source.model.primaryKeyAttribute,
+        ),
+      },
+    ];
+
+    if (options && options['filter']) {
+      const filterResult = this.parseFilter(options['filter']);
+
+      if (filterResult.include && filterResult.include.length > 0) {
+        return await this.destroyByFilter(options['filter'], transaction);
+      }
+
+      where.push(filterResult.where);
+    } else if (options && options['filterByPk']) {
+      if (typeof options === 'object' && options['filterByPk']) {
+        options = options['filterByPk'];
+      }
+
+      const targetInstances = (<any>this.association).toInstanceArray(options);
+
+      where.push({
+        [this.target.primaryKeyAttribute]: targetInstances.map(
+          (targetInstance) =>
+            targetInstance.get(this.target.primaryKeyAttribute),
+        ),
+      });
+    }
+
+    await this.target.destroy({
+      where: {
+        [Op.and]: where,
+      },
+      transaction,
+    });
+
+    return true;
+  }
+
+  handleKeyOfAdd(options) {
+    let handleKeys;
+
+    if (typeof options !== 'object' && !Array.isArray(options)) {
+      handleKeys = [options];
+    } else {
+      handleKeys = options['pk'];
+    }
+    return handleKeys;
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async set(
+    options: PrimaryKey | PrimaryKey[] | AssociatedOptions,
+  ): Promise<void> {
+    const transaction = await this.getTransaction(options);
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    await sourceModel[this.accessors().set](this.handleKeyOfAdd(options), {
+      transaction,
+    });
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async add(
+    options: PrimaryKey | PrimaryKey[] | AssociatedOptions,
+  ): Promise<void> {
+    const transaction = await this.getTransaction(options);
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    await sourceModel[this.accessors().add](this.handleKeyOfAdd(options), {
+      transaction,
+    });
+  }
+
+  accessors() {
+    return (<HasMany>this.association).accessors;
+  }
+}
diff --git a/packages/database-next/src/relation-repository/hasone-repository.ts b/packages/database-next/src/relation-repository/hasone-repository.ts
new file mode 100644
index 000000000..f737f7635
--- /dev/null
+++ b/packages/database-next/src/relation-repository/hasone-repository.ts
@@ -0,0 +1,27 @@
+import { Model } from 'sequelize';
+import {
+  SingleRelationFindOption,
+  SingleRelationRepository,
+} from './single-relation-repository';
+import { CreateOptions } from '../repository';
+
+interface HasOneFindOptions extends SingleRelationFindOption {}
+
+interface IHasOneRepository<M extends Model> {
+  // 不需要 findOne，find 就是 findOne
+  find(options?: HasOneFindOptions): Promise<Model<any>>;
+  // 新增并关联，如果存在关联，解除之后，与新数据建立关联
+  create(options?: CreateOptions): Promise<M>;
+  // 更新
+  update(options?): Promise<M>;
+  // 删除
+  destroy(): Promise<Boolean>;
+  // 建立关联
+  set(primaryKey: any): Promise<void>;
+  // 移除关联
+  remove(): Promise<void>;
+}
+
+export class HasOneRepository<M extends Model>
+  extends SingleRelationRepository
+  implements IHasOneRepository<M> {}
diff --git a/packages/database-next/src/relation-repository/multiple-relation-repository.ts b/packages/database-next/src/relation-repository/multiple-relation-repository.ts
new file mode 100644
index 000000000..796a92cdc
--- /dev/null
+++ b/packages/database-next/src/relation-repository/multiple-relation-repository.ts
@@ -0,0 +1,193 @@
+import { RelationRepository, transaction } from './relation-repository';
+import { omit } from 'lodash';
+import {
+  MultiAssociationAccessors,
+  Op,
+  Sequelize,
+  Transaction,
+} from 'sequelize';
+import { UpdateGuard } from '../update-guard';
+import { updateModelByValues } from '../update-associations';
+import {
+  CommonFindOptions,
+  CountOptions,
+  DestroyOptions,
+  Filter,
+  FilterByPK,
+  FindOptions,
+  PK,
+  PrimaryKey,
+  TransactionAble,
+  UpdateOptions,
+} from '../repository';
+
+export interface FindAndCountOptions extends CommonFindOptions {}
+
+export interface FindOneOptions extends CommonFindOptions, FilterByPK {}
+
+export interface AssociatedOptions extends TransactionAble {
+  pk?: PK;
+}
+
+export abstract class MultipleRelationRepository extends RelationRepository {
+  async find(options?: FindOptions): Promise<any> {
+    const transaction = await this.getTransaction(options);
+
+    const findOptions = this.buildQueryOptions({
+      ...options,
+    });
+
+    const getAccessor = this.accessors().get;
+    const sourceModel = await this.getSourceModel(transaction);
+
+    if (findOptions.include && findOptions.include.length > 0) {
+      const ids = (
+        await sourceModel[getAccessor]({
+          ...findOptions,
+          includeIgnoreAttributes: false,
+          attributes: [this.target.primaryKeyAttribute],
+          group: `${this.target.name}.${this.target.primaryKeyAttribute}`,
+          transaction,
+        })
+      ).map((row) => row.get(this.target.primaryKeyAttribute));
+
+      return await sourceModel[getAccessor]({
+        ...omit(findOptions, ['limit', 'offset']),
+        where: {
+          [this.target.primaryKeyAttribute]: {
+            [Op.in]: ids,
+          },
+        },
+        transaction,
+      });
+    }
+
+    return await sourceModel[getAccessor]({
+      ...findOptions,
+      transaction,
+    });
+  }
+
+  async findAndCount(options?: FindAndCountOptions): Promise<[any[], number]> {
+    const transaction = await this.getTransaction(options, false);
+    return [
+      await this.find({
+        ...options,
+        transaction,
+      }),
+      await this.count({
+        ...options,
+        transaction,
+      }),
+    ];
+  }
+
+  async count(options: CountOptions) {
+    const transaction = await this.getTransaction(options);
+
+    const sourceModel = await this.getSourceModel(transaction);
+    const queryOptions = this.buildQueryOptions(options);
+
+    const count = await sourceModel[this.accessors().get]({
+      where: queryOptions.where,
+      include: queryOptions.include,
+      includeIgnoreAttributes: false,
+      attributes: [
+        [
+          Sequelize.fn(
+            'COUNT',
+            Sequelize.fn(
+              'DISTINCT',
+              Sequelize.col(
+                `${this.target.name}.${this.target.primaryKeyAttribute}`,
+              ),
+            ),
+          ),
+          'count',
+        ],
+      ],
+      raw: true,
+      plain: true,
+      transaction,
+    });
+
+    return count.count;
+  }
+
+  async findOne(options?: FindOneOptions): Promise<any> {
+    const transaction = await this.getTransaction(options, false);
+    const rows = await this.find({ ...options, limit: 1, transaction });
+    return rows.length == 1 ? rows[0] : null;
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async remove(
+    options: PrimaryKey | PrimaryKey[] | AssociatedOptions,
+  ): Promise<void> {
+    const transaction = await this.getTransaction(options);
+    let handleKeys = options['pk'];
+
+    if (!Array.isArray(handleKeys)) {
+      handleKeys = [handleKeys];
+    }
+
+    const sourceModel = await this.getSourceModel(transaction);
+    await sourceModel[this.accessors().removeMultiple](handleKeys, {
+      transaction,
+    });
+    return;
+  }
+
+  @transaction()
+  async update(options?: UpdateOptions): Promise<any> {
+    const transaction = await this.getTransaction(options);
+
+    const guard = UpdateGuard.fromOptions(this.target, options);
+
+    const values = guard.sanitize(options.values);
+
+    const queryOptions = this.buildQueryOptions(options);
+
+    const instances = await this.find(queryOptions);
+
+    for (const instance of instances) {
+      await updateModelByValues(instance, values, {
+        sanitized: true,
+        sourceModel: this.sourceModel,
+        transaction,
+      });
+    }
+
+    return true;
+  }
+
+  async destroy(options?: PK | DestroyOptions): Promise<Boolean> {
+    return false;
+  }
+
+  protected async destroyByFilter(filter: Filter, transaction?: Transaction) {
+    const instances = await this.find({
+      filter: filter,
+      transaction,
+    });
+    return await this.destroy({
+      filterByPk: instances.map(
+        (instance) => instance[this.target.primaryKeyAttribute],
+      ),
+      transaction,
+    });
+  }
+
+  protected filterHasInclude(filter: Filter) {
+    const filterResult = this.parseFilter(filter);
+    return filterResult.include && filterResult.include.length > 0;
+  }
+  protected accessors() {
+    return <MultiAssociationAccessors>super.accessors();
+  }
+}
diff --git a/packages/database-next/src/relation-repository/relation-repository.ts b/packages/database-next/src/relation-repository/relation-repository.ts
new file mode 100644
index 000000000..616acea0a
--- /dev/null
+++ b/packages/database-next/src/relation-repository/relation-repository.ts
@@ -0,0 +1,108 @@
+import {
+  Association,
+  BelongsTo,
+  BelongsToMany,
+  HasMany,
+  HasOne,
+  Model,
+  ModelCtor,
+  Transaction,
+} from 'sequelize';
+import { OptionsParser } from '../options-parser';
+import { Collection } from '../collection';
+import { CreateOptions, Filter, FindOptions } from '../repository';
+import FilterParser from '../filter-parser';
+import { UpdateGuard } from '../update-guard';
+import { updateAssociations } from '../update-associations';
+import lodash from 'lodash';
+import { transactionWrapperBuilder } from '../transaction-decorator';
+
+export const transaction = transactionWrapperBuilder(function () {
+  return this.source.model.sequelize.transaction();
+});
+
+export abstract class RelationRepository {
+  source: Collection;
+  association: Association;
+  target: ModelCtor<any>;
+  sourceId: string | number;
+  sourceModel: Model;
+
+  constructor(
+    source: Collection,
+    association: string,
+    sourceId: string | number,
+  ) {
+    this.source = source;
+    this.sourceId = sourceId;
+    this.association = this.source.model.associations[association];
+
+    this.target = this.association.target;
+  }
+
+  protected accessors() {
+    return (<BelongsTo | HasOne | HasMany | BelongsToMany>this.association)
+      .accessors;
+  }
+
+  async create(options?: CreateOptions): Promise<any> {
+    const createAccessor = this.accessors().create;
+
+    const guard = UpdateGuard.fromOptions(this.target, options);
+    const values = options.values;
+
+    const sourceModel = await this.getSourceModel();
+
+    const instance = await sourceModel[createAccessor](
+      guard.sanitize(options.values),
+    );
+
+    await updateAssociations(instance, values, options);
+
+    return instance;
+  }
+
+  async getSourceModel(transaction?: any) {
+    if (!this.sourceModel) {
+      this.sourceModel = await this.source.model.findByPk(this.sourceId, {
+        transaction,
+      });
+    }
+
+    return this.sourceModel;
+  }
+
+  protected buildQueryOptions(options: FindOptions) {
+    const parser = new OptionsParser(
+      this.target,
+      this.source.context.database,
+      options,
+    );
+    const params = parser.toSequelizeParams();
+    return { ...options, ...params };
+  }
+
+  protected parseFilter(filter: Filter) {
+    const parser = new FilterParser(
+      this.target,
+      this.source.context.database,
+      filter,
+    );
+    return parser.toSequelizeParams();
+  }
+
+  protected async getTransaction(
+    options: any,
+    autoGen = false,
+  ): Promise<Transaction | null> {
+    if (lodash.isPlainObject(options) && options.transaction) {
+      return options.transaction;
+    }
+
+    if (autoGen) {
+      return await this.source.model.sequelize.transaction();
+    }
+
+    return null;
+  }
+}
diff --git a/packages/database-next/src/relation-repository/single-relation-repository.ts b/packages/database-next/src/relation-repository/single-relation-repository.ts
new file mode 100644
index 000000000..7902930df
--- /dev/null
+++ b/packages/database-next/src/relation-repository/single-relation-repository.ts
@@ -0,0 +1,102 @@
+import { RelationRepository, transaction } from './relation-repository';
+import { Model, SingleAssociationAccessors } from 'sequelize';
+import { updateModelByValues } from '../update-associations';
+import lodash from 'lodash';
+import {
+  Appends,
+  Except,
+  Fields,
+  PrimaryKey,
+  TransactionAble,
+  UpdateOptions,
+} from '../repository';
+
+export interface SingleRelationFindOption extends TransactionAble {
+  fields?: Fields;
+  except?: Except;
+  appends?: Appends;
+}
+
+interface SetOption extends TransactionAble {
+  pk?: PrimaryKey;
+}
+
+export abstract class SingleRelationRepository extends RelationRepository {
+  @transaction()
+  async remove(options?: TransactionAble): Promise<void> {
+    const transaction = await this.getTransaction(options);
+    const sourceModel = await this.getSourceModel(transaction);
+    return await sourceModel[this.accessors().set](null, {
+      transaction,
+    });
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      pk: args[0],
+      transaction,
+    };
+  })
+  async set(options: PrimaryKey | SetOption): Promise<void> {
+    const transaction = await this.getTransaction(options);
+    let handleKey = lodash.isPlainObject(options)
+      ? (<SetOption>options).pk
+      : options;
+
+    const sourceModel = await this.getSourceModel(transaction);
+
+    return await sourceModel[this.accessors().set](handleKey, {
+      transaction,
+    });
+  }
+
+  async find(options?: SingleRelationFindOption): Promise<Model<any>> {
+    const transaction = await this.getTransaction(options);
+    const findOptions = this.buildQueryOptions({
+      ...options,
+    });
+
+    const getAccessor = this.accessors().get;
+    const sourceModel = await this.getSourceModel(transaction);
+
+    return await sourceModel[getAccessor]({
+      ...findOptions,
+      transaction,
+    });
+  }
+
+  @transaction()
+  async destroy(options?: TransactionAble): Promise<Boolean> {
+    const transaction = await this.getTransaction(options);
+
+    const target = await this.find({
+      transaction,
+    });
+
+    await target.destroy({
+      transaction,
+    });
+
+    return true;
+  }
+
+  @transaction()
+  async update(options: UpdateOptions): Promise<any> {
+    const transaction = await this.getTransaction(options);
+
+    const target = await this.find({
+      transaction,
+    });
+
+    await updateModelByValues(target, options?.values, {
+      ...lodash.omit(options, 'values'),
+      transaction,
+    });
+
+    return target;
+  }
+
+  accessors() {
+    return <SingleAssociationAccessors>super.accessors();
+  }
+}
diff --git a/packages/database-next/src/relation-repository/types.ts b/packages/database-next/src/relation-repository/types.ts
new file mode 100644
index 000000000..036b5ad92
--- /dev/null
+++ b/packages/database-next/src/relation-repository/types.ts
@@ -0,0 +1,19 @@
+import { PrimaryKey, Values } from '../repository';
+import { Transactionable } from 'sequelize';
+
+export type PrimaryKeyWithThroughValues = [PrimaryKey, Values];
+
+export interface AssociatedOptions extends Transactionable {
+  pk?:
+    | PrimaryKey
+    | PrimaryKey[]
+    | PrimaryKeyWithThroughValues
+    | PrimaryKeyWithThroughValues[];
+}
+
+export type setAssociationOptions =
+  | PrimaryKey
+  | PrimaryKey[]
+  | PrimaryKeyWithThroughValues
+  | PrimaryKeyWithThroughValues[]
+  | AssociatedOptions;
diff --git a/packages/database-next/src/repository.ts b/packages/database-next/src/repository.ts
index 70c44f1d2..c1cdfc0d1 100644
--- a/packages/database-next/src/repository.ts
+++ b/packages/database-next/src/repository.ts
@@ -1,57 +1,123 @@
 import {
-  Op,
+  Association,
+  BulkCreateOptions,
+  CreateOptions as SequelizeCreateOptions,
+  FindAndCountOptions as SequelizeAndCountOptions,
+  FindOptions as SequelizeFindOptions,
   Model,
   ModelCtor,
-  Association,
-  FindOptions,
-  BulkCreateOptions,
-  DestroyOptions as SequelizeDestroyOptions,
-  CreateOptions as SequelizeCreateOptions,
-  UpdateOptions as SequelizeUpdateOptions,
+  Op,
+  Transaction,
 } from 'sequelize';
-import { flatten } from 'flat';
+
 import { Collection } from './collection';
-import _ from 'lodash';
+import lodash, { omit } from 'lodash';
 import { Database } from './database';
-import { updateAssociations } from './update-associations';
+import { updateAssociations, updateModelByValues } from './update-associations';
 import { RelationField } from './fields';
+import FilterParser from './filter-parser';
+import { OptionsParser } from './options-parser';
+import { RelationRepository } from './relation-repository/relation-repository';
+import { HasOneRepository } from './relation-repository/hasone-repository';
+import { BelongsToRepository } from './relation-repository/belongs-to-repository';
+import { BelongsToManyRepository } from './relation-repository/belongs-to-many-repository';
+import { HasManyRepository } from './relation-repository/hasmany-repository';
+import { UpdateGuard } from './update-guard';
+import { transactionWrapperBuilder } from './transaction-decorator';
+
+const debug = require('debug')('noco-database');
 
 export interface IRepository {}
 
-interface CreateManyOptions extends BulkCreateOptions {}
-
-interface FindManyOptions extends FindOptions {
-  filter?: any;
-  fields?: any;
-  appends?: any;
-  expect?: any;
-  page?: any;
-  pageSize?: any;
-  sort?: any;
+interface CreateManyOptions extends BulkCreateOptions {
+  records: Values[];
 }
 
-interface FindOneOptions extends FindOptions {
-  filter?: any;
-  fields?: any;
-  appends?: any;
-  expect?: any;
-  sort?: any;
+export interface TransactionAble {
+  transaction?: Transaction;
 }
 
-interface CreateOptions extends SequelizeCreateOptions {
-  values?: any;
-  whitelist?: any;
-  blacklist?: any;
+export interface FilterAble {
+  filter: Filter;
 }
 
-interface UpdateOptions extends SequelizeUpdateOptions {
-  values?: any;
-  whitelist?: any;
-  blacklist?: any;
+export type PrimaryKey = string | number;
+export type PK = PrimaryKey | PrimaryKey[];
+
+export type Filter = any;
+export type Appends = string[];
+export type Except = string[];
+export type Fields = string[];
+export type Sort = string[];
+
+export type WhiteList = string[];
+export type BlackList = string[];
+export type AssociationKeysToBeUpdate = string[];
+
+export type Values = {
+  [key: string]: string | number | Values | Array<number | string | Values>;
+};
+
+export interface CountOptions
+  extends Omit<SequelizeCreateOptions, 'distinct' | 'where' | 'include'>,
+    TransactionAble {
+  fields?: Fields;
+  filter?: Filter;
 }
 
-interface DestroyOptions extends SequelizeDestroyOptions {
-  filter?: any;
+export interface FilterByPK {
+  filterByPk?: PrimaryKey;
+}
+
+export interface FindOptions
+  extends SequelizeFindOptions,
+    CommonFindOptions,
+    FilterByPK {}
+
+export interface CommonFindOptions {
+  filter?: Filter;
+  fields?: Fields;
+  appends?: Appends;
+  except?: Except;
+  sort?: Sort;
+}
+
+interface FindOneOptions extends FindOptions, CommonFindOptions {}
+
+export interface DestroyOptions extends TransactionAble {
+  filter?: Filter;
+  filterByPk?: PrimaryKey | PrimaryKey[];
+  truncate?: boolean;
+}
+
+interface FindAndCountOptions
+  extends Omit<SequelizeAndCountOptions, 'where' | 'include' | 'order'> {
+  // 数据过滤
+  filter?: Filter;
+  // 输出结果显示哪些字段
+  fields?: Fields;
+  // 输出结果不显示哪些字段
+  except?: Except;
+  // 附加字段，用于控制关系字段的输出
+  appends?: Appends;
+  // 排序，字段前面加上 “-” 表示降序
+  sort?: Sort;
+}
+
+export interface CreateOptions extends TransactionAble {
+  values?: Values;
+  whitelist?: WhiteList;
+  blacklist?: BlackList;
+  updateAssociationValues?: AssociationKeysToBeUpdate;
+}
+
+export interface UpdateOptions extends TransactionAble {
+  values: Values;
+  filter?: Filter;
+  filterByPk?: PrimaryKey;
+  whitelist?: WhiteList;
+  blacklist?: BlackList;
+  updateAssociationValues?: AssociationKeysToBeUpdate;
 }
 
 interface RelatedQueryOptions {
@@ -69,101 +135,43 @@ interface RelatedQueryOptions {
   };
 }
 
-type Identity = string | number;
+const transaction = transactionWrapperBuilder(function () {
+  return (<Repository>this).collection.model.sequelize.transaction();
+});
 
-class RelatedQuery {
-  options: RelatedQueryOptions;
-  sourceInstance: Model;
+class RelationRepositoryBuilder<R extends RelationRepository> {
+  collection: Collection;
+  associationName: string;
+  association: Association;
 
-  constructor(options: RelatedQueryOptions) {
-    this.options = options;
+  builderMap = {
+    HasOne: HasOneRepository,
+    BelongsTo: BelongsToRepository,
+    BelongsToMany: BelongsToManyRepository,
+    HasMany: HasManyRepository,
+  };
+
+  constructor(collection: Collection, associationName: string) {
+    this.collection = collection;
+    this.associationName = associationName;
+    this.association = this.collection.model.associations[this.associationName];
   }
 
-  async getSourceInstance() {
-    if (this.sourceInstance) {
-      return this.sourceInstance;
-    }
-    const { idOrInstance, collection } = this.options.source;
-    if (idOrInstance instanceof Model) {
-      return (this.sourceInstance = idOrInstance);
-    }
-    this.sourceInstance = await collection.model.findByPk(idOrInstance);
-    return this.sourceInstance;
+  protected builder() {
+    return this.builderMap;
   }
 
-  async findMany(options?: any) {
-    const { collection } = this.options.target;
-    return await collection.repository.findMany(options);
+  of(id: string | number): R {
+    const klass = this.builder()[this.association.associationType];
+    return new klass(this.collection, this.associationName, id);
   }
-
-  async findOne(options?: any) {
-    const { collection } = this.options.target;
-    return await collection.repository.findOne(options);
-  }
-
-  async create(values?: any, options?: any) {
-    const { association } = this.options.target;
-    const createAccessor = association.accessors.create;
-    const source = await this.getSourceInstance();
-    const instance = await source[createAccessor](values, options);
-    if (!instance) {
-      return;
-    }
-    await updateAssociations(instance, values);
-    return instance;
-  }
-
-  async update(values: any, options?: Identity | Model | UpdateOptions) {
-    const { association, collection } = this.options.target;
-    if (options instanceof Model) {
-      return await collection.repository.update(values, options);
-    }
-    const { field } = this.options;
-    if (field.type === 'hasOne' || field.type === 'belongsTo') {
-      const getAccessor = association.accessors.get;
-      const source = await this.getSourceInstance();
-      const instance = await source[getAccessor]();
-      return await collection.repository.update(values, instance);
-    }
-    // TODO
-    return await collection.repository.update(values, options);
-  }
-
-  async destroy(options?: any) {
-    const { association, collection } = this.options.target;
-    const { field } = this.options;
-    if (field.type === 'hasOne' || field.type === 'belongsTo') {
-      const getAccessor = association.accessors.get;
-      const source = await this.getSourceInstance();
-      const instance = await source[getAccessor]();
-      if (!instance) {
-        return;
-      }
-      return await collection.repository.destroy(instance.id);
-    }
-    return await collection.repository.destroy(options);
-  }
-
-  async set(options?: any) {}
-
-  async add(options?: any) {}
-
-  async remove(options?: any) {}
-
-  async toggle(options?: any) {}
-
-  async sync(options?: any) {}
 }
 
-class HasOneQuery extends RelatedQuery {}
-
-class HasManyQuery extends RelatedQuery {}
-
-class BelongsToQuery extends RelatedQuery {}
-
-class BelongsToManyQuery extends RelatedQuery {}
-
-export class Repository implements IRepository {
+export class Repository<
+  TModelAttributes extends {} = any,
+  TCreationAttributes extends {} = TModelAttributes,
+> implements IRepository
+{
   database: Database;
   collection: Collection;
   model: ModelCtor<Model>;
@@ -174,280 +182,274 @@ export class Repository implements IRepository {
     this.model = collection.model;
   }
 
-  async findMany(options?: FindManyOptions) {
+  /**
+   * return count by filter
+   */
+  async count(countOptions?: CountOptions): Promise<number> {
+    let options = countOptions ? lodash.clone(countOptions) : {};
+
+    const transaction = await this.getTransaction(options);
+
+    if (countOptions?.filter) {
+      options = {
+        ...options,
+        ...this.parseFilter(countOptions.filter),
+      };
+    }
+
+    const count = await this.collection.model.count({
+      ...options,
+      distinct: true,
+      transaction,
+    });
+
+    return count as any;
+  }
+
+  /**
+   * find
+   * @param options
+   */
+  async find(options?: FindOptions) {
     const model = this.collection.model;
+    const transaction = await this.getTransaction(options);
     const opts = {
       subQuery: false,
       ...this.buildQueryOptions(options),
     };
-    let rows = [];
-    if (opts.include) {
+
+    if (opts.include && opts.include.length > 0) {
       const ids = (
         await model.findAll({
           ...opts,
           includeIgnoreAttributes: false,
           attributes: [model.primaryKeyAttribute],
           group: `${model.name}.${model.primaryKeyAttribute}`,
+          transaction,
         })
-      ).map((item) => item[model.primaryKeyAttribute]);
-      if (ids.length > 0) {
-        rows = await model.findAll({
-          ...opts,
-          where: {
-            [model.primaryKeyAttribute]: {
-              [Op.in]: ids,
-            },
-          },
-        });
-      }
-    } else {
-      rows = await model.findAll({
-        ...opts,
+      ).map((row) => row.get(model.primaryKeyAttribute));
+
+      const where = {
+        [model.primaryKeyAttribute]: {
+          [Op.in]: ids,
+        },
+      };
+
+      return await model.findAll({
+        ...omit(opts, ['limit', 'offset']),
+        where,
+        transaction,
       });
     }
-    const count = await model.count({
+
+    return await model.findAll({
       ...opts,
-      distinct: opts.include ? true : undefined,
+      transaction,
     });
-    return { count, rows };
   }
 
-  async findOne(options?: FindOneOptions) {
-    const model = this.collection.model;
-    const opts = {
-      subQuery: false,
-      ...this.buildQueryOptions(options),
+  /**
+   * find and count
+   * @param options
+   */
+  async findAndCount(
+    options?: FindAndCountOptions,
+  ): Promise<[Model[], number]> {
+    const transaction = await this.getTransaction(options);
+    options = {
+      ...options,
+      transaction,
     };
-    let data: Model;
-    if (opts.include) {
-      const item = await model.findOne({
-        ...opts,
-        includeIgnoreAttributes: false,
-        attributes: [model.primaryKeyAttribute],
-        group: `${model.name}.${model.primaryKeyAttribute}`,
-      });
-      if (!item) {
-        return;
-      }
-      data = await model.findOne({
-        ...opts,
-        where: item.toJSON(),
-      });
-    } else {
-      data = await model.findOne({
-        ...opts,
-      });
-    }
-    return data;
+
+    return [await this.find(options), await this.count(options)];
   }
 
-  async create(values?: any, options?: CreateOptions) {
-    const instance = await this.model.create<any>(values, options);
+  /**
+   * Find By Id
+   *
+   */
+  findById(id: PrimaryKey) {
+    return this.collection.model.findByPk(id);
+  }
+
+  /**
+   * Find one record from database
+   *
+   * @param options
+   */
+  async findOne(options?: FindOneOptions) {
+    const transaction = await this.getTransaction(options);
+
+    const rows = await this.find({ ...options, limit: 1, transaction });
+    return rows.length == 1 ? rows[0] : null;
+  }
+
+  /**
+   * Save instance to database
+   *
+   * @param values
+   * @param options
+   */
+  @transaction()
+  async create(options: CreateOptions): Promise<Model> {
+    const transaction = await this.getTransaction(options);
+
+    const guard = UpdateGuard.fromOptions(this.model, options);
+    const values = guard.sanitize(options.values || {});
+
+    const instance = await this.model.create<any>(values, { transaction });
+
     if (!instance) {
       return;
     }
-    await updateAssociations(instance, values, options);
-    return instance;
-  }
 
-  async createMany(records: any[], options?: CreateManyOptions) {
-    const instances = await this.collection.model.bulkCreate(records, options);
-    const promises = instances.map((instance, index) => {
-      return updateAssociations(instance, records[index]);
+    await updateAssociations(instance, values, {
+      transaction,
     });
-    return Promise.all(promises);
-  }
 
-  async update(values: any, options: Identity | Model | UpdateOptions) {
-    if (options instanceof Model) {
-      await options.update(values);
-      await updateAssociations(options, values);
-      return options;
-    }
-    let instance: Model;
-    if (typeof options === 'string' || typeof options === 'number') {
-      instance = await this.model.findByPk(options);
-    } else {
-      // TODO
-      instance = await this.findOne(options);
-    }
-    await instance.update(values);
-    await updateAssociations(instance, values);
     return instance;
   }
 
-  async destroy(options: Identity | Identity[] | DestroyOptions) {
-    if (typeof options === 'number' || typeof options === 'string') {
-      return await this.model.destroy({
-        where: {
-          [this.model.primaryKeyAttribute]: options,
-        },
+  /**
+   * Save Many instances to database
+   *
+   * @param records
+   * @param options
+   */
+  @transaction()
+  async createMany(options: CreateManyOptions) {
+    const transaction = await this.getTransaction(options);
+    const { records } = options;
+    const instances = await this.collection.model.bulkCreate(records, {
+      ...options,
+      transaction,
+    });
+
+    for (let i = 0; i < instances.length; i++) {
+      await updateAssociations(instances[i], records[i], { transaction });
+    }
+
+    return instances;
+  }
+
+  /**
+   * Update model value
+   *
+   * @param values
+   * @param options
+   */
+  @transaction()
+  async update(options: UpdateOptions) {
+    const transaction = await this.getTransaction(options);
+    const guard = UpdateGuard.fromOptions(this.model, options);
+
+    const values = guard.sanitize(options.values);
+
+    const queryOptions = this.buildQueryOptions(options);
+
+    const instances = await this.find({
+      ...queryOptions,
+      transaction,
+    });
+
+    for (const instance of instances) {
+      await updateModelByValues(instance, values, {
+        sanitized: true,
+        transaction,
       });
     }
-    if (Array.isArray(options)) {
+
+    return true;
+  }
+
+  @transaction((args, transaction) => {
+    return {
+      filterByPk: args[0],
+      transaction,
+    };
+  })
+  async destroy(options?: PrimaryKey | PrimaryKey[] | DestroyOptions) {
+    const transaction = await this.getTransaction(options);
+
+    options = <DestroyOptions>options;
+
+    let filterByPk = options.filterByPk;
+
+    if (filterByPk) {
+      if (!Array.isArray(filterByPk)) {
+        filterByPk = [filterByPk];
+      }
+
       return await this.model.destroy({
         where: {
           [this.model.primaryKeyAttribute]: {
-            [Op.in]: options,
+            [Op.in]: filterByPk,
           },
         },
+        transaction,
       });
     }
-    const opts = this.buildQueryOptions(options);
-    return await this.model.destroy(opts);
-  }
 
-  // TODO
-  async sort() {}
-
-  relatedQuery(name: string) {
-    return {
-      for: (sourceIdOrInstance: any) => {
-        const field = this.collection.getField(name) as RelationField;
-        const database = this.collection.context.database;
-        const collection = database.getCollection(field.target);
-        const options: RelatedQueryOptions = {
-          field,
-          database: database,
-          source: {
-            collection: this.collection,
-            idOrInstance: sourceIdOrInstance,
-          },
-          target: {
-            collection,
-            association: this.collection.model.associations[name] as any,
-          },
-        };
-        switch (field.type) {
-          case 'hasOne':
-            return new HasOneQuery(options);
-          case 'hasMany':
-            return new HasManyQuery(options);
-          case 'belongsTo':
-            return new BelongsToQuery(options);
-          case 'belongsToMany':
-            return new BelongsToManyQuery(options);
-        }
-      },
-    };
-  }
-
-  buildQueryOptions(options: any) {
-    const opts = this.parseFilter(options.filter);
-    return { ...options, ...opts };
-  }
-
-  parseFilter(filter?: any) {
-    if (!filter) {
-      return {};
-    }
-    const model = this.collection.model;
-    if (typeof filter === 'number' || typeof filter === 'string') {
-      return {
-        where: {
-          [model.primaryKeyAttribute]: filter,
-        },
-      };
-    }
-    const operators = this.database.operators;
-    const obj = flatten(filter || {});
-    const include = {};
-    const where = {};
-    let skipPrefix = null;
-    const filter2 = {};
-    for (const [key, value] of Object.entries(obj)) {
-      _.set(filter2, key, value);
-    }
-    for (let [key, value] of Object.entries(obj)) {
-      if (skipPrefix && key.startsWith(skipPrefix)) {
-        continue;
-      }
-      let keys = key.split('.');
-      const associations = model.associations;
-      const paths = [];
-      const origins = [];
-      while (keys.length) {
-        const k = keys.shift();
-        origins.push(k);
-        if (k.startsWith('$')) {
-          if (operators.has(k)) {
-            const opKey = operators.get(k);
-            if (typeof opKey === 'symbol') {
-              paths.push(opKey);
-              continue;
-            } else if (typeof opKey === 'function') {
-              skipPrefix = origins.join('.');
-              // console.log({ skipPrefix }, filter2, _.get(filter2, origins));
-              value = opKey(_.get(filter2, origins));
-              break;
-            }
-          } else {
-            paths.push(k);
-            continue;
-          }
-        }
-        if (/\d+/.test(k)) {
-          paths.push(k);
-          continue;
-        }
-        if (!associations[k]) {
-          paths.push(k);
-          continue;
-        }
-        const associationKeys = [];
-        associationKeys.push(k);
-        _.set(include, k, {
-          association: k,
-          attributes: [],
-        });
-        let target = associations[k].target;
-        while (target) {
-          const attr = keys.shift();
-          if (target.rawAttributes[attr]) {
-            associationKeys.push(attr);
-            target = null;
-          } else if (target.associations[attr]) {
-            associationKeys.push(attr);
-            const assoc = [];
-            associationKeys.forEach((associationKey, index) => {
-              if (index > 0) {
-                assoc.push('include');
-              }
-              assoc.push(associationKey);
-            });
-            _.set(include, assoc, {
-              association: attr,
-              attributes: [],
-            });
-            target = target.associations[attr].target;
-          }
-        }
-        if (associationKeys.length > 1) {
-          paths.push(`$${associationKeys.join('.')}$`);
-        } else {
-          paths.push(k);
-        }
-      }
-      console.log(paths, value);
-      const values = _.get(where, paths);
-      if (
-        values &&
-        typeof values === 'object' &&
-        value &&
-        typeof value === 'object'
-      ) {
-        value = { ...value, ...values };
-      }
-      _.set(where, paths, value);
-    }
-    const toInclude = (items) => {
-      return Object.values(items).map((item: any) => {
-        if (item.include) {
-          item.include = toInclude(item.include);
-        }
-        return item;
+    if (options.filter) {
+      const instances = await this.find({
+        filter: options.filter,
+        transaction,
       });
-    };
-    return { where, include: toInclude(include) };
+
+      return await this.destroy({
+        filterByPk: instances.map(
+          (instance) => instance[this.model.primaryKeyAttribute],
+        ),
+        transaction,
+      });
+    }
+
+    if (options.truncate) {
+      return await this.model.destroy({
+        truncate: true,
+        transaction,
+      });
+    }
+  }
+
+  /**
+   * @param association target association
+   */
+  relation<R extends RelationRepository>(
+    association: string,
+  ): RelationRepositoryBuilder<R> {
+    return new RelationRepositoryBuilder<R>(this.collection, association);
+  }
+
+  protected buildQueryOptions(options: any) {
+    const parser = new OptionsParser(
+      this.collection.model,
+      this.collection.context.database,
+      options,
+    );
+    const params = parser.toSequelizeParams();
+    debug('sequelize query params %o', params);
+    return { ...options, ...params };
+  }
+
+  protected parseFilter(filter: Filter) {
+    const parser = new FilterParser(
+      this.collection.model,
+      this.collection.context.database,
+      filter,
+    );
+    return parser.toSequelizeParams();
+  }
+
+  protected async getTransaction(options: any, autoGen = false) {
+    if (lodash.isPlainObject(options) && options.transaction) {
+      return options.transaction;
+    }
+
+    if (autoGen) {
+      return await this.model.sequelize.transaction();
+    }
+
+    return null;
   }
 }
diff --git a/packages/database-next/src/transaction-decorator.ts b/packages/database-next/src/transaction-decorator.ts
new file mode 100644
index 000000000..e199ebeb1
--- /dev/null
+++ b/packages/database-next/src/transaction-decorator.ts
@@ -0,0 +1,62 @@
+import lodash from 'lodash';
+
+export function transactionWrapperBuilder(transactionGenerator) {
+  return function transaction(transactionInjector?) {
+    return (target, name, descriptor) => {
+      const oldValue = descriptor.value;
+
+      descriptor.value = async function () {
+        let transaction;
+        let newTransaction = false;
+
+        if (arguments.length > 0 && typeof arguments[0] === 'object') {
+          transaction = arguments[0]['transaction'];
+        }
+
+        if (!transaction) {
+          transaction = await transactionGenerator.apply(this);
+          newTransaction = true;
+        }
+
+        // 需要将 newTransaction 注入到被装饰函数参数内
+        if (newTransaction) {
+          try {
+            let callArguments;
+            if (lodash.isPlainObject(arguments[0])) {
+              callArguments = {
+                ...arguments[0],
+                transaction,
+              };
+            } else if (transactionInjector) {
+              callArguments = transactionInjector(arguments, transaction);
+            } else if (
+              lodash.isNull(arguments[0]) ||
+              lodash.isUndefined(arguments[0])
+            ) {
+              callArguments = {
+                transaction,
+              };
+            } else {
+              throw new Error(
+                `please provide transactionInjector for ${name} call`,
+              );
+            }
+
+            const results = await oldValue.apply(this, [callArguments]);
+
+            await transaction.commit();
+
+            return results;
+          } catch (err) {
+            await transaction.rollback();
+            throw err;
+          }
+        } else {
+          return oldValue.apply(this, arguments);
+        }
+      };
+
+      return descriptor;
+    };
+  };
+}
diff --git a/packages/database-next/src/update-associations.ts b/packages/database-next/src/update-associations.ts
index e5018700a..1fe35869b 100644
--- a/packages/database-next/src/update-associations.ts
+++ b/packages/database-next/src/update-associations.ts
@@ -5,7 +5,13 @@ import {
   DataTypes,
   Utils,
   Association,
+  HasOne,
+  BelongsTo,
+  BelongsToMany,
+  HasMany,
 } from 'sequelize';
+import { UpdateGuard } from './update-guard';
+import { TransactionAble } from './repository';
 
 function isUndefinedOrNull(value: any) {
   return typeof value === 'undefined' || value === null;
@@ -15,39 +21,171 @@ function isStringOrNumber(value: any) {
   return typeof value === 'string' || typeof value === 'number';
 }
 
+export function modelAssociations(instance: Model) {
+  return (<typeof Model>instance.constructor).associations;
+}
+
+export function belongsToManyAssociations(
+  instance: Model,
+): Array<BelongsToMany> {
+  const associations = modelAssociations(instance);
+  return Object.entries(associations)
+    .filter((entry) => {
+      const [key, association] = entry;
+      return association.associationType == 'BelongsToMany';
+    })
+    .map((association) => {
+      return <BelongsToMany>association[1];
+    });
+}
+
+export function modelAssociationByKey(
+  instance: Model,
+  key: string,
+): Association {
+  return modelAssociations(instance)[key] as Association;
+}
+
+type UpdateValue = { [key: string]: any };
+
+interface UpdateOptions extends TransactionAble {
+  filter?: any;
+  filterByPk?: number | string;
+  // 字段白名单
+  whitelist?: string[];
+  // 字段黑名单
+  blacklist?: string[];
+  // 关系数据默认会新建并建立关联处理，如果是已存在的数据只关联，但不更新关系数据
+  // 如果需要更新关联数据，可以通过 updateAssociationValues 指定
+  updateAssociationValues?: string[];
+  sanitized?: boolean;
+  sourceModel?: Model;
+}
+
+export async function updateModelByValues(
+  instance: Model,
+  values: UpdateValue,
+  options?: UpdateOptions,
+) {
+  if (!options?.sanitized) {
+    const guard = new UpdateGuard();
+    //@ts-ignore
+    guard.setModel(instance.constructor);
+    guard.setBlackList(options.blacklist);
+    guard.setWhiteList(options.whitelist);
+    guard.setAssociationKeysToBeUpdate(options.updateAssociationValues);
+    values = guard.sanitize(values);
+  }
+
+  await instance.update(values);
+  await updateAssociations(instance, values, options);
+}
+
+export async function updateThroughTableValue(
+  instance: Model,
+  throughName: string,
+  throughValues: any,
+  source: Model,
+  transaction = null,
+) {
+  // update through table values
+  for (const belongsToMany of belongsToManyAssociations(instance)) {
+    // @ts-ignore
+    const throughModel = belongsToMany.through.model;
+    const throughModelName = throughModel.name;
+
+    if (throughModelName === throughModelName) {
+      const where = {
+        [belongsToMany.foreignKey]: instance.get(belongsToMany.sourceKey),
+        [belongsToMany.otherKey]: source.get(belongsToMany.targetKey),
+      };
+
+      return await throughModel.update(throughValues, {
+        where,
+        transaction,
+      });
+    }
+  }
+}
+
+/**
+ * update association of instance by values
+ * @param instance
+ * @param values
+ * @param options
+ */
 export async function updateAssociations(
   instance: Model,
   values: any,
   options: any = {},
 ) {
-  const { transaction = await instance.sequelize.transaction() } = options;
-  // @ts-ignore
-  for (const key of Object.keys(instance.constructor.associations)) {
-    // 如果 key 不存在才跳过
-    if (!Object.keys(values||{}).includes(key)) {
-      continue;
-    }
-    await updateAssociation(instance, key, values[key], {
-      ...options,
-      transaction,
-    });
+  // if no values set, return
+  if (!values) {
+    return;
   }
-  if (!options.transaction) {
+
+  let newTransaction = false;
+  let transaction = options.transaction;
+
+  if (!transaction) {
+    newTransaction = true;
+    transaction = await instance.sequelize.transaction();
+  }
+
+  for (const key of Object.keys(modelAssociations(instance))) {
+    if (values[key]) {
+      await updateAssociation(instance, key, values[key], {
+        ...options,
+        transaction,
+      });
+    }
+  }
+
+  // update through table values
+  for (const belongsToMany of belongsToManyAssociations(instance)) {
+    // @ts-ignore
+    const throughModel = belongsToMany.through.model;
+    const throughModelName = throughModel.name;
+
+    if (values[throughModelName] && options.sourceModel) {
+      const where = {
+        [belongsToMany.foreignKey]: instance.get(belongsToMany.sourceKey),
+        [belongsToMany.otherKey]: options.sourceModel.get(
+          belongsToMany.targetKey,
+        ),
+      };
+
+      await throughModel.update(values[throughModel.name], {
+        where,
+        transaction,
+      });
+    }
+  }
+
+  if (newTransaction) {
     await transaction.commit();
   }
 }
 
+/**
+ * update model association by key
+ * @param instance
+ * @param key
+ * @param value
+ * @param options
+ */
 export async function updateAssociation(
   instance: Model,
   key: string,
   value: any,
   options: any = {},
 ) {
-  // @ts-ignore
-  const association = instance.constructor.associations[key] as Association;
+  const association = modelAssociationByKey(instance, key);
+
   if (!association) {
     return false;
   }
+
   switch (association.associationType) {
     case 'HasOne':
     case 'BelongsTo':
@@ -58,32 +196,48 @@ export async function updateAssociation(
   }
 }
 
+/**
+ * update belongsTo and HasOne
+ * @param model
+ * @param key
+ * @param value
+ * @param options
+ */
 export async function updateSingleAssociation(
   model: Model,
   key: string,
   value: any,
   options: any = {},
 ) {
-  // @ts-ignore
-  const association = model.constructor.associations[key] as Association;
+  const association = <HasOne | BelongsTo>modelAssociationByKey(model, key);
+
   if (!association) {
     return false;
   }
+
   if (!['undefined', 'string', 'number', 'object'].includes(typeof value)) {
     return false;
   }
+
   const { transaction = await model.sequelize.transaction() } = options;
+
   try {
-    // @ts-ignore
+    // set method of association
     const setAccessor = association.accessors.set;
-    if (isUndefinedOrNull(value)) {
+
+    const removeAssociation = async () => {
       await model[setAccessor](null, { transaction });
       model.setDataValue(key, null);
       if (!options.transaction) {
         await transaction.commit();
       }
       return true;
+    };
+
+    if (isUndefinedOrNull(value)) {
+      return await removeAssociation();
     }
+
     if (isStringOrNumber(value)) {
       await model[setAccessor](value, { transaction });
       if (!options.transaction) {
@@ -99,7 +253,7 @@ export async function updateSingleAssociation(
       }
       return true;
     }
-    // @ts-ignore
+
     const createAccessor = association.accessors.create;
     let dataKey: string;
     let M: ModelCtor<Model>;
@@ -111,6 +265,7 @@ export async function updateSingleAssociation(
       M = association.source;
       dataKey = M.primaryKeyAttribute;
     }
+
     if (isStringOrNumber(value[dataKey])) {
       let instance: any = await M.findOne({
         where: {
@@ -128,6 +283,11 @@ export async function updateSingleAssociation(
         return true;
       }
     }
+
+    if (value[dataKey] === null) {
+      return await removeAssociation();
+    }
+
     const instance = await model[createAccessor](value, { transaction });
     await updateAssociations(instance, value, { transaction, ...options });
     model.setDataValue(key, instance);
@@ -146,38 +306,52 @@ export async function updateSingleAssociation(
   }
 }
 
+/**
+ * update multiple association of model by value
+ * @param model
+ * @param key
+ * @param value
+ * @param options
+ */
 export async function updateMultipleAssociation(
   model: Model,
   key: string,
   value: any,
   options: any = {},
 ) {
-  // @ts-ignore
-  const association = model.constructor.associations[key] as Association;
+  const association = <BelongsToMany | HasMany>(
+    modelAssociationByKey(model, key)
+  );
+
   if (!association) {
     return false;
   }
+
   if (!['undefined', 'string', 'number', 'object'].includes(typeof value)) {
     return false;
   }
+
   const { transaction = await model.sequelize.transaction() } = options;
+
   try {
-    // @ts-ignore
     const setAccessor = association.accessors.set;
-    // @ts-ignore
+
     const createAccessor = association.accessors.create;
     if (isUndefinedOrNull(value)) {
       await model[setAccessor](null, { transaction });
       model.setDataValue(key, null);
       return;
     }
+
     if (isStringOrNumber(value)) {
       await model[setAccessor](value, { transaction });
       return;
     }
+
     if (!Array.isArray(value)) {
       value = [value];
     }
+
     const list1 = []; // to be setted
     const list2 = []; // to be added
     for (const item of value) {
@@ -194,23 +368,46 @@ export async function updateMultipleAssociation(
         list2.push(item);
       }
     }
+
+    // associate targets in lists1
     await model[setAccessor](list1, { transaction });
+
     const list3 = [];
     for (const item of list2) {
       const pk = association.target.primaryKeyAttribute;
+
+      const through = (<any>association).through
+        ? (<any>association).through.model.name
+        : null;
+
+      const accessorOptions = {
+        transaction,
+      };
+
+      const throughValue = item[through];
+
+      if (throughValue) {
+        accessorOptions['through'] = throughValue;
+      }
+
       if (isUndefinedOrNull(item[pk])) {
-        const instance = await model[createAccessor](item, { transaction });
+        // create new record
+        const instance = await model[createAccessor](item, accessorOptions);
         await updateAssociations(instance, item, { transaction, ...options });
         list3.push(instance);
       } else {
-        const instance = await association.target.findByPk(item[pk], { transaction });
-        // @ts-ignore
+        // set & update record
+        const instance = await association.target.findByPk(item[pk], {
+          transaction,
+        });
         const addAccessor = association.accessors.add;
-        await model[addAccessor](item[pk], { transaction });
+
+        await model[addAccessor](item[pk], accessorOptions);
         await updateAssociations(instance, item, { transaction, ...options });
         list3.push(instance);
       }
     }
+
     model.setDataValue(key, list1.concat(list3));
     if (!options.transaction) {
       await transaction.commit();
diff --git a/packages/database-next/src/update-guard.ts b/packages/database-next/src/update-guard.ts
new file mode 100644
index 000000000..d0574dc7d
--- /dev/null
+++ b/packages/database-next/src/update-guard.ts
@@ -0,0 +1,172 @@
+import { flatten } from 'flat';
+import lodash, { keys } from 'lodash';
+
+import { Collection } from './collection';
+import { BelongsTo, HasOne, Model, ModelCtor } from 'sequelize';
+import { AssociationKeysToBeUpdate, BlackList, WhiteList } from './repository';
+
+type UpdateValueItem = string | number | UpdateValues;
+
+type UpdateValues = {
+  [key: string]: UpdateValueItem | Array<UpdateValueItem>;
+};
+
+export class UpdateGuard {
+  model: ModelCtor<any>;
+  private associationKeysToBeUpdate: AssociationKeysToBeUpdate;
+  private blackList: BlackList;
+  private whiteList: WhiteList;
+
+  setModel(model: ModelCtor<any>) {
+    this.model = model;
+  }
+
+  setAssociationKeysToBeUpdate(
+    associationKeysToBeUpdate: AssociationKeysToBeUpdate,
+  ) {
+    this.associationKeysToBeUpdate = associationKeysToBeUpdate;
+  }
+
+  setWhiteList(whiteList: WhiteList) {
+    this.whiteList = whiteList;
+  }
+
+  setBlackList(blackList: BlackList) {
+    this.blackList = blackList;
+  }
+
+  /**
+   * Sanitize values by whitelist blacklist
+   * @param values
+   */
+  sanitize(values: UpdateValues) {
+    values = lodash.clone(values);
+
+    if (!this.model) {
+      throw new Error('please set model first');
+    }
+
+    const associations = this.model.associations;
+    const associationsValues = lodash.pick(values, Object.keys(associations));
+
+    // build params of association update guard
+    const listOfAssociation = (list, association) => {
+      if (list) {
+        list = list
+          .filter((whiteListKey) => whiteListKey.startsWith(`${association}.`))
+          .map((whiteListKey) => whiteListKey.replace(`${association}.`, ''));
+
+        if (list.length == 0) {
+          return undefined;
+        }
+
+        return list;
+      }
+
+      return undefined;
+    };
+
+    // sanitize association values
+    Object.keys(associationsValues).forEach((association) => {
+      let associationValues = associationsValues[association];
+
+      const filterAssociationToBeUpdate = (value) => {
+        const associationKeysToBeUpdate = this.associationKeysToBeUpdate || [];
+
+        if (associationKeysToBeUpdate.includes(association)) {
+          return value;
+        }
+
+        const associationObj = associations[association];
+
+        const associationKeyName =
+          associationObj.associationType == 'BelongsTo' ||
+          associationObj.associationType == 'HasOne'
+            ? (<any>associationObj).targetKey
+            : associationObj.target.primaryKeyAttribute;
+
+        if (value[associationKeyName]) {
+          return lodash.pick(value, [
+            associationKeyName,
+            ...Object.keys(associationObj.target.associations),
+          ]);
+        }
+
+        return value;
+      };
+
+      const sanitizeValue = (value) => {
+        const associationUpdateGuard = new UpdateGuard();
+        associationUpdateGuard.setModel(associations[association].target);
+
+        ['whiteList', 'blackList', 'associationKeysToBeUpdate'].forEach(
+          (optionKey) => {
+            associationUpdateGuard[`set${lodash.upperFirst(optionKey)}`](
+              listOfAssociation(this[optionKey], association),
+            );
+          },
+        );
+
+        return associationUpdateGuard.sanitize(
+          filterAssociationToBeUpdate(value),
+        );
+      };
+
+      if (Array.isArray(associationValues)) {
+        associationValues = associationValues.map((value) => {
+          if (typeof value == 'string' || typeof value == 'number') {
+            return value;
+          } else {
+            return sanitizeValue(value);
+          }
+        });
+      } else if (
+        typeof associationValues === 'object' &&
+        associationValues !== null
+      ) {
+        associationValues = sanitizeValue(associationValues);
+      }
+
+      // set association values to sanitized value
+      values[association] = associationValues;
+    });
+
+    let valuesKeys = Object.keys(values);
+
+    // handle whitelist
+    if (this.whiteList) {
+      valuesKeys = valuesKeys.filter((valueKey) => {
+        return (
+          this.whiteList.findIndex((whiteKey) => {
+            const keyPaths = whiteKey.split('.');
+            return keyPaths[0] === valueKey;
+          }) !== -1
+        );
+      });
+    }
+
+    // handle blacklist
+    if (this.blackList) {
+      valuesKeys = valuesKeys.filter(
+        (valueKey) => !this.blackList.includes(valueKey),
+      );
+    }
+
+    const result = valuesKeys.reduce((obj, key) => {
+      lodash.set(obj, key, values[key]);
+      return obj;
+    }, {});
+
+    return result;
+  }
+
+  static fromOptions(model, options) {
+    const guard = new UpdateGuard();
+    guard.setModel(model);
+    guard.setWhiteList(options.whitelist);
+    guard.setBlackList(options.blacklist);
+    guard.setAssociationKeysToBeUpdate(options.updateAssociationValues);
+
+    return guard;
+  }
+}
diff --git a/packages/database-next/src/utils.ts b/packages/database-next/src/utils.ts
index ad5a96438..e3e576fe6 100644
--- a/packages/database-next/src/utils.ts
+++ b/packages/database-next/src/utils.ts
@@ -1,18 +1,10 @@
-export default {
-  fiter: {
-    and: [
-      { a: 'a' },
-      { b: 'b' },
-      { c: 'c' },
-      { 'assoc.a': 'abc1' },
-      { 'assoc.b': 'abc2' },
-      { 'assoc.c': 'abc3' },
-      {
-        and: [
-          { 'assoc.a': 'abc1' },
-          { 'assoc.b': 'abc2' },
-        ],
-      },
-    ],
-  },
-};
+let IDX = 36,
+  HEX = '';
+while (IDX--) HEX += IDX.toString(36);
+
+export function uid(len?: number) {
+  let str = '',
+    num = len || 11;
+  while (num--) str += HEX[(Math.random() * 36) | 0];
+  return str;
+}
diff --git a/packages/server/src/application.ts b/packages/server/src/application.ts
index 02854236e..de5fe0f15 100644
--- a/packages/server/src/application.ts
+++ b/packages/server/src/application.ts
@@ -12,6 +12,7 @@ import {
   registerMiddlewares,
 } from './helper';
 import { i18n, InitOptions } from 'i18next';
+import { applyMixins, AsyncEmitter } from '@nocobase/utils';
 
 export interface ResourcerOptions {
   prefix?: string;
@@ -51,10 +52,10 @@ interface ActionsOptions {
   resourceNames?: string[];
 }
 
-export class Application<
-  StateT = DefaultState,
-  ContextT = DefaultContext
-> extends Koa {
+export class Application<StateT = DefaultState, ContextT = DefaultContext>
+  extends Koa
+  implements AsyncEmitter
+{
   public readonly db: Database;
 
   public readonly resourcer: Resourcer;
@@ -160,57 +161,6 @@ export class Application<
     await this.emitAsync('plugins.afterLoad');
   }
 
-  async emitAsync(event: string | symbol, ...args: any[]): Promise<boolean> {
-    // @ts-ignore
-    const events = this._events;
-    let callbacks = events[event];
-    if (!callbacks) {
-      return false;
-    }
-    // helper function to reuse as much code as possible
-    const run = (cb) => {
-      switch (args.length) {
-        // fast cases
-        case 0:
-          cb = cb.call(this);
-          break;
-        case 1:
-          cb = cb.call(this, args[0]);
-          break;
-        case 2:
-          cb = cb.call(this, args[0], args[1]);
-          break;
-        case 3:
-          cb = cb.call(this, args[0], args[1], args[2]);
-          break;
-        // slower
-        default:
-          cb = cb.apply(this, args);
-      }
-
-      if (cb && (cb instanceof Promise || typeof cb.then === 'function')) {
-        return cb;
-      }
-
-      return Promise.resolve(true);
-    };
-
-    if (typeof callbacks === 'function') {
-      await run(callbacks);
-    } else if (typeof callbacks === 'object') {
-      callbacks = callbacks.slice().filter(Boolean);
-      await callbacks.reduce((prev, next) => {
-        return prev.then((res) => {
-          return run(next).then((result) =>
-            Promise.resolve(res.concat(result)),
-          );
-        });
-      }, Promise.resolve([]));
-    }
-
-    return true;
-  }
-
   async parse(argv = process.argv) {
     await this.load();
     return this.cli.parseAsync(argv);
@@ -219,6 +169,9 @@ export class Application<
   async destroy() {
     await this.db.close();
   }
+
+  emitAsync: (event: string | symbol, ...args: any[]) => Promise<boolean>;
 }
+applyMixins(Application, [AsyncEmitter]);
 
 export default Application;
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index 7ade55b32..4391fd880 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -1,2 +1,4 @@
+export * from './mixin';
+export * from './mixin/AsyncEmitter';
 export * from './merge';
 export * from './umiConfig';
diff --git a/packages/utils/src/mixin/AsyncEmitter.ts b/packages/utils/src/mixin/AsyncEmitter.ts
new file mode 100644
index 000000000..41736fa9f
--- /dev/null
+++ b/packages/utils/src/mixin/AsyncEmitter.ts
@@ -0,0 +1,52 @@
+export class AsyncEmitter {
+  async emitAsync(event: string | symbol, ...args: any[]): Promise<boolean> {
+    // @ts-ignore
+    const events = this._events;
+    let callbacks = events[event];
+    if (!callbacks) {
+      return false;
+    }
+    // helper function to reuse as much code as possible
+    const run = (cb) => {
+      switch (args.length) {
+        // fast cases
+        case 0:
+          cb = cb.call(this);
+          break;
+        case 1:
+          cb = cb.call(this, args[0]);
+          break;
+        case 2:
+          cb = cb.call(this, args[0], args[1]);
+          break;
+        case 3:
+          cb = cb.call(this, args[0], args[1], args[2]);
+          break;
+        // slower
+        default:
+          cb = cb.apply(this, args);
+      }
+
+      if (cb && (cb instanceof Promise || typeof cb.then === 'function')) {
+        return cb;
+      }
+
+      return Promise.resolve(true);
+    };
+
+    if (typeof callbacks === 'function') {
+      await run(callbacks);
+    } else if (typeof callbacks === 'object') {
+      callbacks = callbacks.slice().filter(Boolean);
+      await callbacks.reduce((prev, next) => {
+        return prev.then((res) => {
+          return run(next).then((result) =>
+            Promise.resolve(res.concat(result)),
+          );
+        });
+      }, Promise.resolve([]));
+    }
+
+    return true;
+  }
+}
diff --git a/packages/utils/src/mixin/index.ts b/packages/utils/src/mixin/index.ts
new file mode 100644
index 000000000..ca3e182a2
--- /dev/null
+++ b/packages/utils/src/mixin/index.ts
@@ -0,0 +1,12 @@
+export function applyMixins(derivedCtor: any, constructors: any[]) {
+  constructors.forEach((baseCtor) => {
+    Object.getOwnPropertyNames(baseCtor.prototype).forEach((name) => {
+      Object.defineProperty(
+        derivedCtor.prototype,
+        name,
+        Object.getOwnPropertyDescriptor(baseCtor.prototype, name) ||
+          Object.create(null),
+      );
+    });
+  });
+}
diff --git a/tsconfig.jest.json b/tsconfig.jest.json
index 06724af57..94891b6ad 100755
--- a/tsconfig.jest.json
+++ b/tsconfig.jest.json
@@ -5,13 +5,8 @@
     "sourceMap": true,
     "target": "ES6",
     "paths": {
-      "@nocobase/*": [
-        "./packages/*/src"
-      ]
+      "@nocobase/*": ["./packages/*/src"]
     }
   },
-  "exclude": [
-    "./packages/*/esm",
-    "./packages/*/lib"
-  ]
-}
\ No newline at end of file
+  "exclude": ["./packages/*/esm", "./packages/*/lib"]
+}