diff --git a/lib/app/bindings/initial_binding.dart b/lib/app/bindings/initial_binding.dart
index 664b607..4f60969 100644
--- a/lib/app/bindings/initial_binding.dart
+++ b/lib/app/bindings/initial_binding.dart
@@ -1,14 +1,14 @@
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
 import 'package:problem_check_system/data/providers/connectivity_provider.dart';
-import 'package:problem_check_system/data/providers/dio_provider.dart';
+import 'package:problem_check_system/data/providers/http_provider.dart';
 import 'package:problem_check_system/data/providers/local_database.dart';
 
 class InitialBinding implements Bindings {
   @override
   void dependencies() {
     Get.put<GetStorage>(GetStorage(), permanent: true);
-    Get.put<DioProvider>(DioProvider(), permanent: true);
+    Get.put<HttpProvider>(HttpProvider(), permanent: true);
     Get.put<LocalDatabase>(LocalDatabase(), permanent: true);
     Get.put<ConnectivityProvider>(ConnectivityProvider(), permanent: true);
   }
diff --git a/lib/data/providers/dio_provider.dart b/lib/data/providers/http_provider.dart
similarity index 99%
rename from lib/data/providers/dio_provider.dart
rename to lib/data/providers/http_provider.dart
index 51ea891..b973dfb 100644
--- a/lib/data/providers/dio_provider.dart
+++ b/lib/data/providers/http_provider.dart
@@ -7,7 +7,7 @@ import 'package:problem_check_system/modules/auth/controllers/auth_controller.da
 
 // DioProvider 是一个 GetxService，确保它在应用生命周期内是单例的。
 // 它负责初始化和配置 Dio 实例，并添加所有拦截器。
-class DioProvider extends GetxService {
+class HttpProvider extends GetxService {
   static const String _baseUrl = 'https://xh.anxincloud.cn';
 
   late final Dio _dio;
diff --git a/lib/data/providers/local_database.dart b/lib/data/providers/local_database.dart
index f06700a..82d41e8 100644
--- a/lib/data/providers/local_database.dart
+++ b/lib/data/providers/local_database.dart
@@ -1,27 +1,35 @@
+import 'package:get/get.dart';
 import 'package:sqflite/sqflite.dart';
 import 'package:path/path.dart';
 import 'package:uuid/uuid.dart';
 import '../models/problem_model.dart';
 
-class LocalDatabase {
-  static final LocalDatabase _instance = LocalDatabase._internal();
-  factory LocalDatabase() => _instance;
-  static Database? _database;
+/// LocalDatabase 是一个 GetxService，它负责管理本地 SQLite 数据库。
+/// GetxService 确保这个类在整个应用生命周期中都是一个单例，并且不会被自动销毁。
+class LocalDatabase extends GetxService {
+  static const String _dbName = 'problems.db';
   static const String _tableName = 'problems';
 
-  LocalDatabase._internal();
+  /// 私有的数据库实例，只能在 LocalDatabase 类内部访问。
+  late Database _database;
 
-  Future<Database> get database async {
-    if (_database != null) return _database!;
-    _database = await _initDatabase();
-    return _database!;
+  /// onInit 是 GetxService 的生命周期方法，在服务首次被创建时调用。
+  /// 它是执行异步初始化的最佳位置，确保在使用服务前，数据库已经准备就绪。
+  @override
+  void onInit() {
+    super.onInit();
+    _initDatabase();
   }
 
-  Future<Database> _initDatabase() async {
-    String path = join(await getDatabasesPath(), 'problems.db');
-    return await openDatabase(path, version: 1, onCreate: _onCreate);
+  /// 异步初始化数据库。它会打开数据库连接，如果数据库不存在则创建。
+  Future<void> _initDatabase() async {
+    final databasePath = await getDatabasesPath();
+    final path = join(databasePath, _dbName);
+
+    _database = await openDatabase(path, version: 1, onCreate: _onCreate);
   }
 
+  /// 数据库创建时的回调函数，用于执行建表语句。
   Future<void> _onCreate(Database db, int version) async {
     await db.execute('''
       CREATE TABLE $_tableName(
@@ -37,15 +45,17 @@ class LocalDatabase {
     ''');
   }
 
+  /// 插入一个新问题到数据库。在插入前，会为其生成一个唯一的 UUID。
+  /// 返回插入的行数。
   Future<int> insertProblem(Problem problem) async {
-    final db = await database;
     problem.id = const Uuid().v4();
-    return await db.insert(_tableName, problem.toMap());
+    return await _database.insert(_tableName, problem.toMap());
   }
 
+  /// 更新数据库中已存在的问题。
+  /// 返回更新的行数。
   Future<int> updateProblem(Problem problem) async {
-    final db = await database;
-    return await db.update(
+    return await _database.update(
       _tableName,
       problem.toMap(),
       where: 'id = ?',
@@ -53,48 +63,41 @@ class LocalDatabase {
     );
   }
 
+  /// 根据 ID 删除数据库中的问题。
+  /// 返回删除的行数。
   Future<int> deleteProblem(String id) async {
-    final db = await database;
-    return await db.delete(_tableName, where: 'id = ?', whereArgs: [id]);
+    return await _database.delete(_tableName, where: 'id = ?', whereArgs: [id]);
   }
 
-  /// 通用查询方法
-  /// 根据可选的参数筛选问题。
-  /// 时间范围、
-  /// 上传状态
-  /// 绑定状态
+  /// 通用查询方法，根据可选的筛选条件获取问题列表。
+  /// - `startDate`/`endDate`：筛选创建时间范围。
+  /// - `uploadStatus`：筛选上传状态（'已上传', '未上传', '全部'）。
+  /// - `bindStatus`：筛选绑定状态（'已绑定', '未绑定', '全部'）。
   Future<List<Problem>> getProblems({
     DateTime? startDate,
     DateTime? endDate,
-    String? uploadStatus, // '已上传', '未上传', '全部'
-    String? bindStatus, // '已绑定', '未绑定', '全部'
+    String uploadStatus = '全部',
+    String bindStatus = '全部',
   }) async {
-    final db = await database;
-
-    // 使用可变列表来构建筛选条件
     final List<String> whereClauses = [];
     final List<dynamic> whereArgs = [];
 
-    // 根据 startDate 添加筛选条件
     if (startDate != null) {
       whereClauses.add('createdAt >= ?');
       whereArgs.add(startDate.millisecondsSinceEpoch);
     }
 
-    // 根据 endDate 添加筛选条件
     if (endDate != null) {
       whereClauses.add('createdAt <= ?');
       whereArgs.add(endDate.millisecondsSinceEpoch);
     }
 
-    // 根据 uploadStatus 添加筛选条件
-    if (uploadStatus != null && uploadStatus != '全部') {
+    if (uploadStatus != '全部') {
       whereClauses.add('isUploaded = ?');
       whereArgs.add(uploadStatus == '已上传' ? 1 : 0);
     }
 
-    // 根据 bindStatus 添加筛选条件
-    if (bindStatus != null && bindStatus != '全部') {
+    if (bindStatus != '全部') {
       if (bindStatus == '已绑定') {
         whereClauses.add('censorTaskId IS NOT NULL');
       } else {
@@ -102,10 +105,9 @@ class LocalDatabase {
       }
     }
 
-    // 将所有条件用 ' AND ' 连接起来
     final String whereString = whereClauses.join(' AND ');
 
-    final List<Map<String, dynamic>> maps = await db.query(
+    final List<Map<String, dynamic>> maps = await _database.query(
       _tableName,
       where: whereString.isEmpty ? null : whereString,
       whereArgs: whereArgs.isEmpty ? null : whereArgs,
@@ -116,4 +118,12 @@ class LocalDatabase {
       return Problem.fromMap(maps[i]);
     });
   }
+
+  /// onClose 是 GetxService 的生命周期方法，在服务被销毁前调用。
+  /// 虽然 GetxService 默认是永久的，但养成关闭数据库连接的习惯是很好的实践。
+  @override
+  void onClose() {
+    _database.close();
+    super.onClose();
+  }
 }
diff --git a/lib/data/repositories/auth_repository.dart b/lib/data/repositories/auth_repository.dart
index 8386862..18d15f2 100644
--- a/lib/data/repositories/auth_repository.dart
+++ b/lib/data/repositories/auth_repository.dart
@@ -5,15 +5,15 @@ import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
 import 'package:problem_check_system/data/models/auth_model.dart';
 import 'package:problem_check_system/data/providers/connectivity_provider.dart';
-import 'package:problem_check_system/data/providers/dio_provider.dart';
+import 'package:problem_check_system/data/providers/http_provider.dart';
 
 class AuthRepository extends GetxService {
-  final DioProvider dioProvider;
+  final HttpProvider httpProvider;
   final GetStorage storage;
   final ConnectivityProvider connectivityProvider;
 
   AuthRepository({
-    required this.dioProvider,
+    required this.httpProvider,
     required this.storage,
     required this.connectivityProvider,
   });
@@ -88,7 +88,7 @@ class AuthRepository extends GetxService {
   /// Handles the user login process by calling the API and saving the response.
   Future<LoginResponse> login(LoginRequest request) async {
     try {
-      final response = await dioProvider.post(
+      final response = await httpProvider.post(
         '/api/Accounts/SignIn',
         data: request.toJson(),
       );
@@ -100,6 +100,23 @@ class AuthRepository extends GetxService {
     }
   }
 
+  /// 从 API 获取用户个人资料
+  Future<Profile> getUserProfile() async {
+    try {
+      final response = await httpProvider.get('/api/Accounts/Profile');
+
+      // 将 JSON 数据反序列化为 Profile 模型
+      return Profile.fromJson(response.data);
+    } on DioException catch (e) {
+      // 专门处理网络错误，例如无网络连接、超时等
+      // DioException 包含了更详细的错误信息
+      throw Exception('Network error: ${e.message}');
+    } catch (e) {
+      // 捕获所有其他未知错误
+      rethrow; // 重新抛出异常，让调用者来处理
+    }
+  }
+
   /// Refreshes the authentication token using the refresh token.
   Future<LoginResponse> refreshToken() async {
     final refreshToken = getRefreshToken();
@@ -108,7 +125,7 @@ class AuthRepository extends GetxService {
     }
 
     try {
-      final response = await dioProvider.post(
+      final response = await httpProvider.post(
         '/auth/refresh',
         data: {'refresh_token': refreshToken},
       );
@@ -127,7 +144,7 @@ class AuthRepository extends GetxService {
   Future<void> logout() async {
     try {
       // Attempt to call the API, but even if it fails, continue to clear local data.
-      await dioProvider.post('/auth/logout');
+      await httpProvider.post('/auth/logout');
     } on DioException catch (e) {
       log('退出登录API调用失败: ${e.message}');
     } finally {
diff --git a/lib/data/repositories/my_repository.dart b/lib/data/repositories/my_repository.dart
deleted file mode 100644
index 2bd97aa..0000000
--- a/lib/data/repositories/my_repository.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-import 'package:dio/dio.dart';
-import 'package:problem_check_system/data/models/auth_model.dart';
-import 'package:problem_check_system/data/providers/dio_provider.dart';
-
-class MyRepository {
-  final DioProvider dioProvider;
-
-  MyRepository({required this.dioProvider});
-
-  /// 从 API 获取用户个人资料
-  Future<Profile> getUserProfile() async {
-    try {
-      final response = await dioProvider.get('/api/Accounts/Profile');
-
-      // 将 JSON 数据反序列化为 Profile 模型
-      return Profile.fromJson(response.data);
-    } on DioException catch (e) {
-      // 专门处理网络错误，例如无网络连接、超时等
-      // DioException 包含了更详细的错误信息
-      throw Exception('Network error: ${e.message}');
-    } catch (e) {
-      // 捕获所有其他未知错误
-      rethrow; // 重新抛出异常，让调用者来处理
-    }
-  }
-}
diff --git a/lib/modules/auth/bindings/auth_binding.dart b/lib/modules/auth/bindings/auth_binding.dart
index 217da5f..df9f83f 100644
--- a/lib/modules/auth/bindings/auth_binding.dart
+++ b/lib/modules/auth/bindings/auth_binding.dart
@@ -1,25 +1,18 @@
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
 import 'package:problem_check_system/data/providers/connectivity_provider.dart';
-import 'package:problem_check_system/data/providers/dio_provider.dart';
+import 'package:problem_check_system/data/providers/http_provider.dart';
 import 'package:problem_check_system/data/repositories/auth_repository.dart';
 import 'package:problem_check_system/modules/auth/controllers/auth_controller.dart';
 
 class AuthBinding implements Bindings {
   @override
   void dependencies() {
-    // 1. 注入数据提供者 (AuthProvider)，它依赖于 Dio
-    // 依赖注入通过构造函数完成，使代码更易于测试
-    final DioProvider dioProvider = Get.find<DioProvider>();
-    final GetStorage storage = Get.find<GetStorage>();
-    final ConnectivityProvider connectivityProvider =
-        Get.find<ConnectivityProvider>();
-
     Get.lazyPut<AuthRepository>(
       () => AuthRepository(
-        dioProvider: dioProvider,
-        storage: storage,
-        connectivityProvider: connectivityProvider,
+        httpProvider: Get.find<HttpProvider>(),
+        storage: Get.find<GetStorage>(),
+        connectivityProvider: Get.find<ConnectivityProvider>(),
       ),
     );
 
@@ -27,7 +20,6 @@ class AuthBinding implements Bindings {
     // 控制器通过 Get.find() 获取已注入的依赖
     Get.lazyPut<AuthController>(
       () => AuthController(authRepository: Get.find<AuthRepository>()),
-      fenix: true,
     );
   }
 }
diff --git a/lib/modules/home/bindings/home_binding.dart b/lib/modules/home/bindings/home_binding.dart
index dfe9049..90675b3 100644
--- a/lib/modules/home/bindings/home_binding.dart
+++ b/lib/modules/home/bindings/home_binding.dart
@@ -2,7 +2,6 @@ import 'package:get/get.dart';
 import 'package:problem_check_system/data/providers/connectivity_provider.dart';
 import 'package:problem_check_system/data/providers/local_database.dart';
 import 'package:problem_check_system/data/repositories/auth_repository.dart';
-import 'package:problem_check_system/data/repositories/my_repository.dart';
 import 'package:problem_check_system/modules/auth/controllers/auth_controller.dart';
 import 'package:problem_check_system/modules/home/controllers/home_controller.dart';
 import 'package:problem_check_system/modules/my/controllers/my_controller.dart';
@@ -21,22 +20,21 @@ class HomeBinding implements Bindings {
         localDatabase: database,
 
         connectivityProvider: connectivityProvider,
-        dioProvider: Get.find(),
+        httpProvider: Get.find(),
       ),
       fenix: true,
     );
-    Get.lazyPut<MyRepository>(() => MyRepository(dioProvider: Get.find()));
-    Get.lazyPut<MyController>(() => MyController(myRepository: Get.find()));
+
     Get.lazyPut<AuthRepository>(
       () => AuthRepository(
-        dioProvider: Get.find(),
+        httpProvider: Get.find(),
         storage: Get.find(),
         connectivityProvider: connectivityProvider,
       ),
     );
     Get.lazyPut<AuthController>(
       () => AuthController(authRepository: Get.find()),
-      fenix: true,
     );
+    Get.lazyPut<MyController>(() => MyController(authRepository: Get.find()));
   }
 }
diff --git a/lib/modules/my/bingdings/change_password_binding.dart b/lib/modules/my/bingdings/change_password_binding.dart
index aa0323c..d31471a 100644
--- a/lib/modules/my/bingdings/change_password_binding.dart
+++ b/lib/modules/my/bingdings/change_password_binding.dart
@@ -7,7 +7,7 @@ class ChangePasswordBinding implements Bindings {
   void dependencies() {
     Get.lazyPut<AuthRepository>(
       () => AuthRepository(
-        dioProvider: Get.find(),
+        httpProvider: Get.find(),
         storage: Get.find(),
         connectivityProvider: Get.find(),
       ),
diff --git a/lib/modules/my/bingdings/my_binding.dart b/lib/modules/my/bingdings/my_binding.dart
index bc057b6..a07f1ae 100644
--- a/lib/modules/my/bingdings/my_binding.dart
+++ b/lib/modules/my/bingdings/my_binding.dart
@@ -1,6 +1,4 @@
 import 'package:get/get.dart';
-import 'package:problem_check_system/data/repositories/my_repository.dart';
-import 'package:problem_check_system/modules/my/controllers/my_controller.dart';
 
 class MyBinding implements Bindings {
   @override
diff --git a/lib/modules/my/controllers/my_controller.dart b/lib/modules/my/controllers/my_controller.dart
index da319b1..d6f02e1 100644
--- a/lib/modules/my/controllers/my_controller.dart
+++ b/lib/modules/my/controllers/my_controller.dart
@@ -1,10 +1,10 @@
 import 'package:get/get.dart';
-import 'package:problem_check_system/data/repositories/my_repository.dart';
+import 'package:problem_check_system/data/repositories/auth_repository.dart';
 
 class MyController extends GetxController {
-  final MyRepository myRepository;
+  final AuthRepository authRepository;
 
-  MyController({required this.myRepository});
+  MyController({required this.authRepository});
 
   // 响应式变量，用于存储用户信息
   var userName = '张兰雪'.obs;
@@ -19,7 +19,7 @@ class MyController extends GetxController {
 
   // 从本地存储或API加载用户信息
   Future<void> _loadUserInfo() async {
-    var userProfile = await myRepository.getUserProfile();
+    var userProfile = await authRepository.getUserProfile();
     userName.value = userProfile.name;
     userPhone.value = userProfile.email ?? '138****8547';
     userImage.value = userProfile.signatureImage.toString();
diff --git a/lib/modules/problem/bindings/problem_binding.dart b/lib/modules/problem/bindings/problem_binding.dart
index 4b0ec50..ca23404 100644
--- a/lib/modules/problem/bindings/problem_binding.dart
+++ b/lib/modules/problem/bindings/problem_binding.dart
@@ -12,7 +12,7 @@ class ProblemBinding implements Bindings {
     Get.lazyPut<ProblemController>(
       () => ProblemController(
         localDatabase: Get.find<LocalDatabase>(),
-        dioProvider: Get.find(),
+        httpProvider: Get.find(),
         connectivityProvider: Get.find<ConnectivityProvider>(),
       ),
     );
diff --git a/lib/modules/problem/controllers/problem_controller.dart b/lib/modules/problem/controllers/problem_controller.dart
index b15257b..cea3c89 100644
--- a/lib/modules/problem/controllers/problem_controller.dart
+++ b/lib/modules/problem/controllers/problem_controller.dart
@@ -5,7 +5,7 @@ import 'package:get/get.dart' hide MultipartFile, FormData;
 import 'package:flutter/material.dart';
 import 'dart:io';
 import 'package:path/path.dart' as path;
-import 'package:problem_check_system/data/providers/dio_provider.dart';
+import 'package:problem_check_system/data/providers/http_provider.dart';
 import 'package:problem_check_system/modules/problem/views/widgets/custom_data_range_dropdown.dart';
 import 'package:problem_check_system/data/models/problem_model.dart';
 import 'package:problem_check_system/data/providers/local_database.dart';
@@ -13,8 +13,10 @@ import 'package:problem_check_system/data/providers/connectivity_provider.dart';
 
 class ProblemController extends GetxController
     with GetSingleTickerProviderStateMixin {
-  /// 本地数据库
-  final LocalDatabase _localDatabase;
+  /// 依赖注入适配器
+  final LocalDatabase localDatabase;
+  final HttpProvider httpProvider;
+  final ConnectivityProvider connectivityProvider;
 
   /// 最近问题列表
   final RxList<Problem> problems = <Problem>[].obs;
@@ -35,8 +37,6 @@ class ProblemController extends GetxController
 
   /// 是否加载中
   final RxBool isLoading = false.obs;
-  final DioProvider _dioProvider;
-  final ConnectivityProvider _connectivityProvider;
 
   late TabController tabController;
 
@@ -47,15 +47,13 @@ class ProblemController extends GetxController
   final fabUploadPosition = Offset(337.0, 703.7).obs;
 
   /// get 选中的
-  RxBool get isOnline => _connectivityProvider.isOnline;
+  RxBool get isOnline => connectivityProvider.isOnline;
 
   ProblemController({
-    required LocalDatabase localDatabase,
-    required DioProvider dioProvider,
-    required ConnectivityProvider connectivityProvider,
-  }) : _localDatabase = localDatabase,
-       _dioProvider = dioProvider,
-       _connectivityProvider = connectivityProvider;
+    required this.localDatabase,
+    required this.httpProvider,
+    required this.connectivityProvider,
+  });
 
   @override
   void onInit() {
@@ -190,7 +188,7 @@ class ProblemController extends GetxController
           : '全部';
 
       // 只执行一次数据库查询
-      final loadedProblems = await _localDatabase.getProblems(
+      final loadedProblems = await localDatabase.getProblems(
         startDate: startDate,
         endDate: endDate,
         uploadStatus: uploadStatus,
@@ -235,7 +233,7 @@ class ProblemController extends GetxController
     isLoading.value = true;
     try {
       // 调用 _localDatabase.getProblems 并只筛选 '未上传' 的问题
-      unUploadedProblems.value = await _localDatabase.getProblems(
+      unUploadedProblems.value = await localDatabase.getProblems(
         uploadStatus: '未上传',
       );
     } catch (e) {
@@ -247,7 +245,7 @@ class ProblemController extends GetxController
 
   Future<void> addProblem(Problem problem) async {
     try {
-      await _localDatabase.insertProblem(problem);
+      await localDatabase.insertProblem(problem);
       loadProblems();
     } catch (e) {
       Get.snackbar('错误', '保存问题失败: $e');
@@ -257,7 +255,7 @@ class ProblemController extends GetxController
 
   Future<void> updateProblem(Problem problem) async {
     try {
-      await _localDatabase.updateProblem(problem);
+      await localDatabase.updateProblem(problem);
       loadProblems();
     } catch (e) {
       Get.snackbar('错误', '更新问题失败: $e');
@@ -268,7 +266,7 @@ class ProblemController extends GetxController
   Future<void> deleteProblem(Problem problem) async {
     try {
       if (problem.id != null) {
-        await _localDatabase.deleteProblem(problem.id!);
+        await localDatabase.deleteProblem(problem.id!);
         await _deleteProblemImages(problem);
         loadProblems();
       }
@@ -287,7 +285,7 @@ class ProblemController extends GetxController
     try {
       for (var problem in problemsToDelete) {
         if (problem.id != null) {
-          await _localDatabase.deleteProblem(problem.id!);
+          await localDatabase.deleteProblem(problem.id!);
           await _deleteProblemImages(problem);
         }
       }
@@ -335,7 +333,7 @@ class ProblemController extends GetxController
         }
       }
 
-      final response = await _dioProvider.post(
+      final response = await httpProvider.post(
         'https://your-server.com/api/problems',
         data: formData,
         options: Options(