diff --git a/lib/data/repositories/problem_repository.dart b/lib/data/repositories/problem_repository.dart
index efe8193..cca5f2c 100644
--- a/lib/data/repositories/problem_repository.dart
+++ b/lib/data/repositories/problem_repository.dart
@@ -6,7 +6,7 @@ import 'package:problem_check_system/data/providers/local_database.dart';
 
 /// 问题仓库，负责处理问题数据的本地持久化。
 /// 它封装了底层数据库操作，为业务逻辑层提供一个简洁的接口。
-class ProblemRepository {
+class ProblemRepository extends GetxService {
   final LocalDatabase localDatabase;
   final HttpProvider httpProvider;
   final ConnectivityProvider connectivityProvider;