diff --git a/packages/database/src/__tests__/operator/array-operator.test.ts b/packages/database/src/__tests__/operator/array-operator.test.ts
index e6145b91c..063beb906 100644
--- a/packages/database/src/__tests__/operator/array-operator.test.ts
+++ b/packages/database/src/__tests__/operator/array-operator.test.ts
@@ -141,6 +141,21 @@ describe('array field operator', function () {
     expect(filter1[0].get('name')).toEqual(t1.get('name'));
   });
 
+  test('$match with $and', async () => {
+    const filter1 = await Test.repository.find({
+      filter: {
+        $and: [
+          {
+            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: {
diff --git a/packages/database/src/__tests__/respsitory/find.test.ts b/packages/database/src/__tests__/respsitory/find.test.ts
index 2d6480840..ddb37aef4 100644
--- a/packages/database/src/__tests__/respsitory/find.test.ts
+++ b/packages/database/src/__tests__/respsitory/find.test.ts
@@ -8,6 +8,7 @@ describe('repository find', () => {
   let User: Collection;
   let Post: Collection;
   let Comment: Collection;
+  let Tag: Collection;
 
   afterEach(async () => {
     await db.close();
@@ -15,6 +16,7 @@ describe('repository find', () => {
 
   beforeEach(async () => {
     db = mockDatabase();
+
     User = db.collection<{ id: number; name: string }, { name: string }>({
       name: 'users',
       fields: [
@@ -36,6 +38,11 @@ describe('repository find', () => {
           type: 'hasMany',
           name: 'comments',
         },
+        {
+          type: 'belongsToMany',
+          name: 'abc1',
+          target: 'tags',
+        },
       ],
     });
 
@@ -47,6 +54,16 @@ describe('repository find', () => {
       ],
     });
 
+    Tag = db.collection({
+      name: 'tags',
+      fields: [
+        {
+          type: 'string',
+          name: 'name',
+        },
+      ],
+    });
+
     await db.sync();
     const repository = User.repository;
 
@@ -55,7 +72,7 @@ describe('repository find', () => {
         {
           name: 'u1',
           age: 10,
-          posts: [{ title: 'u1t1', comments: [{ content: 'u1t1c1' }] }],
+          posts: [{ title: 'u1t1', comments: [{ content: 'u1t1c1' }], abc1: [{ name: 't1' }] }],
         },
         {
           name: 'u2',
@@ -216,5 +233,15 @@ describe('repository find', () => {
 
       expect(results.length).toEqual(1);
     });
+
+    test('find with association with $and', async () => {
+      const results = await Post.repository.find({
+        filter: {
+          'abc1.name': 't1',
+        },
+      });
+
+      expect(results.length).toEqual(1);
+    });
   });
 });
diff --git a/packages/database/src/filter-parser.ts b/packages/database/src/filter-parser.ts
index 9dcee2d1b..5a33ea30c 100644
--- a/packages/database/src/filter-parser.ts
+++ b/packages/database/src/filter-parser.ts
@@ -81,6 +81,7 @@ export default class FilterParser {
 
     let skipPrefix = null;
     const associations = model.associations;
+
     debug('associations %O', associations);
 
     for (let [key, value] of Object.entries(flattenedFilter)) {
@@ -138,7 +139,7 @@ export default class FilterParser {
         }
 
         // firstKey is number
-        if (/\d+/.test(firstKey)) {
+        if (!lodash.isNaN(parseInt(firstKey))) {
           paths.push(firstKey);
           continue;
         }
@@ -182,6 +183,7 @@ export default class FilterParser {
               }
               assoc.push(associationKey);
             });
+
             _.set(include, assoc, {
               association: attr,
               attributes: [],