diff --git a/apps/backend/src/app.module.ts b/apps/backend/src/app.module.ts
index 0759ac0..de0d310 100644
--- a/apps/backend/src/app.module.ts
+++ b/apps/backend/src/app.module.ts
@@ -14,6 +14,7 @@ import { OssModule } from './oss/oss.module';
 import { ThrottlerModule } from '@nestjs/throttler';
 import { CaptchaModule } from './captcha/captcha.module';
 import { SmsModule } from './sms/sms.module';
+import { CommonModule } from './common/common.module';
 
 @Module({
   imports: [
@@ -48,6 +49,7 @@ import { SmsModule } from './sms/sms.module';
     OssModule,
     CaptchaModule,
     SmsModule,
+    CommonModule,
   ],
   controllers: [AppController],
   providers: [AppService],
diff --git a/apps/backend/src/common/common.module.ts b/apps/backend/src/common/common.module.ts
new file mode 100644
index 0000000..cc8e21e
--- /dev/null
+++ b/apps/backend/src/common/common.module.ts
@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { RolesGuard } from './guard/roles.guard';
+import { UserModule } from 'src/user/user.module';
+
+@Module({
+    providers: [RolesGuard],
+    imports: [UserModule],
+    exports: [RolesGuard],
+})
+export class CommonModule { }