diff --git a/packages/core/server/src/locale/locale.ts b/packages/core/server/src/locale/locale.ts
index d605ba5a4..0cf80f285 100644
--- a/packages/core/server/src/locale/locale.ts
+++ b/packages/core/server/src/locale/locale.ts
@@ -67,6 +67,9 @@ export class Locale {
 
   async getCacheResources(lang: string) {
     this.resourceCached.set(lang, true);
+    if (process.env.APP_ENV !== 'production') {
+      await this.cache.reset();
+    }
     return await this.wrapCache(`resources:${lang}`, () => this.getResources(lang));
   }
 
diff --git a/packages/core/server/src/locale/resource.ts b/packages/core/server/src/locale/resource.ts
index f9d7a56f7..43351be0a 100644
--- a/packages/core/server/src/locale/resource.ts
+++ b/packages/core/server/src/locale/resource.ts
@@ -25,7 +25,10 @@ export const getResource = (packageName: string, lang: string, isPlugin = true)
   for (const prefix of prefixes) {
     try {
       const file = `${packageName}/${prefix}/locale/${lang}`;
-      require.resolve(file);
+      const f = require.resolve(file);
+      if (process.env.APP_ENV !== 'production') {
+        delete require.cache[f];
+      }
       const resource = requireModule(file);
       resources.push(resource);
     } catch (error) {