update codes

src/modules/request/request.module.ts

@@ -4,6 +4,7 @@ import { RequestService } from './request.service';
 import { RequestController } from './request.controller';
 import { Request } from './entities/request.entity';
 import { RequestItem } from './entities/request-item.entity';
+import { RequestRepository } from './repositories/request.repository';
 import { UserModule } from '../user/user.module';
 import { ProductModule } from '../product/product.module';
 
@@ -14,6 +15,6 @@ import { ProductModule } from '../product/product.module';
     ProductModule,
   ],
   controllers: [RequestController],
-  providers: [RequestService],
+  providers: [RequestService, RequestRepository],
 })
 export class RequestModule {}