diff --git a/lib/app/bindings/initial_binding.dart b/lib/app/bindings/initial_binding.dart
index b09de08..e8e15f8 100644
--- a/lib/app/bindings/initial_binding.dart
+++ b/lib/app/bindings/initial_binding.dart
@@ -2,8 +2,9 @@ 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/http_provider.dart';
-import 'package:problem_check_system/data/providers/local_database.dart';
+import 'package:problem_check_system/data/providers/sqlite_provider.dart';
 import 'package:problem_check_system/data/repositories/auth_repository.dart';
+import 'package:problem_check_system/data/repositories/file_repository.dart';
 import 'package:problem_check_system/data/repositories/problem_repository.dart';
 
 class InitialBinding implements Bindings {
@@ -17,11 +18,13 @@ class InitialBinding implements Bindings {
     /// 立即注册所有的适配器
     Get.put<GetStorage>(GetStorage(), permanent: true);
     Get.put<HttpProvider>(HttpProvider());
-    Get.put<LocalDatabase>(LocalDatabase());
+    Get.put<SQLiteProvider>(SQLiteProvider());
     Get.put<ConnectivityProvider>(ConnectivityProvider());
   }
 
   void _registerRepositories() {
+    Get.lazyPut<FileRepository>(() => FileRepository());
+
     /// 懒加载注册所有的仓库
     Get.lazyPut<AuthRepository>(
       () => AuthRepository(
@@ -32,7 +35,7 @@ class InitialBinding implements Bindings {
     );
     Get.lazyPut<ProblemRepository>(
       () => ProblemRepository(
-        localDatabase: Get.find<LocalDatabase>(),
+        sqliteProvider: Get.find<SQLiteProvider>(),
         httpProvider: Get.find<HttpProvider>(),
         connectivityProvider: Get.find<ConnectivityProvider>(),
       ),
diff --git a/lib/app/routes/app_pages.dart b/lib/app/routes/app_pages.dart
index 856326b..3528d3b 100644
--- a/lib/app/routes/app_pages.dart
+++ b/lib/app/routes/app_pages.dart
@@ -3,7 +3,7 @@ import 'package:problem_check_system/modules/home/bindings/home_binding.dart';
 import 'package:problem_check_system/modules/home/views/home_page.dart';
 import 'package:problem_check_system/modules/auth/bindings/login_binding.dart';
 import 'package:problem_check_system/modules/auth/views/login_page.dart';
-import 'package:problem_check_system/modules/my/bingdings/change_password_binding.dart';
+import 'package:problem_check_system/modules/my/bindings/change_password_binding.dart';
 import 'package:problem_check_system/modules/my/views/change_password.dart';
 import 'package:problem_check_system/modules/problem/views/problem_upload_page.dart';
 
diff --git a/lib/data/models/enum_model.dart b/lib/data/models/enum_model.dart
new file mode 100644
index 0000000..4292078
--- /dev/null
+++ b/lib/data/models/enum_model.dart
@@ -0,0 +1,22 @@
+enum SyncStatus {
+  /// 未同步到服务器
+  notSynced,
+
+  /// 已同步，本地无修改
+  synced,
+
+  /// 已同步，但本地有修改
+  modified,
+}
+
+// 图片的同步状态
+enum ImageStatus {
+  ///  新增的本地图片，需要上传
+  local,
+
+  ///  已上传，本地无修改
+  synced,
+
+  /// 已同步，但已在本地删除，需要通知服务器
+  deleted,
+}
diff --git a/lib/data/models/image_metadata_model.dart b/lib/data/models/image_metadata_model.dart
new file mode 100644
index 0000000..522a01d
--- /dev/null
+++ b/lib/data/models/image_metadata_model.dart
@@ -0,0 +1,32 @@
+// image_metadata_model.dart
+import 'package:problem_check_system/data/models/enum_model.dart';
+
+class ImageMetadata {
+  final String localPath;
+  final String? remoteUrl;
+  final ImageStatus status;
+
+  ImageMetadata({
+    required this.localPath,
+    this.remoteUrl,
+    required this.status,
+  });
+
+  // For saving to SQL
+  Map<String, dynamic> toMap() {
+    return {
+      'localPath': localPath,
+      'remoteUrl': remoteUrl,
+      'status': status.index,
+    };
+  }
+
+  // For reading from SQL
+  factory ImageMetadata.fromMap(Map<String, dynamic> map) {
+    return ImageMetadata(
+      localPath: map['localPath'] as String,
+      remoteUrl: map['remoteUrl'] as String?,
+      status: ImageStatus.values[map['status'] as int],
+    );
+  }
+}
diff --git a/lib/data/models/problem_model.dart b/lib/data/models/problem_model.dart
index 2a3f0b3..c9a074e 100644
--- a/lib/data/models/problem_model.dart
+++ b/lib/data/models/problem_model.dart
@@ -1,36 +1,39 @@
-import 'package:get/get.dart';
+// problem_model.dart
+import 'dart:convert';
+import 'package:problem_check_system/data/models/enum_model.dart';
+import 'package:problem_check_system/data/models/image_metadata_model.dart';
 
 class Problem {
   String? id;
   String description;
   String location;
-  List<String> imageUrls;
-  DateTime createdAt;
-  bool isUploaded;
+  List<ImageMetadata> imageUrls;
+  DateTime creationTime;
+  SyncStatus syncStatus;
   String? censorTaskId;
   String? bindData;
-  // 添加可观察的选中状态
-  final RxBool isChecked = false.obs;
+  bool isChecked;
 
   Problem({
     this.id,
     required this.description,
     required this.location,
     required this.imageUrls,
-    required this.createdAt,
+    required this.creationTime,
+    this.syncStatus = SyncStatus.notSynced,
     this.censorTaskId,
     this.bindData,
-    this.isUploaded = false,
+    this.isChecked = false,
   });
 
-  // copyWith 方法：根据字段和构造函数进行修正
+  // copyWith method to create a new instance with updated values
   Problem copyWith({
     String? id,
     String? description,
     String? location,
-    List<String>? imageUrls,
-    DateTime? createdAt,
-    bool? isUploaded,
+    List<ImageMetadata>? imageUrls,
+    DateTime? creationTime,
+    SyncStatus? syncStatus,
     String? censorTaskId,
     String? bindData,
   }) {
@@ -39,40 +42,42 @@ class Problem {
       description: description ?? this.description,
       location: location ?? this.location,
       imageUrls: imageUrls ?? this.imageUrls,
-      createdAt: createdAt ?? this.createdAt,
-      isUploaded: isUploaded ?? this.isUploaded,
+      creationTime: creationTime ?? this.creationTime,
+      syncStatus: syncStatus ?? this.syncStatus,
       censorTaskId: censorTaskId ?? this.censorTaskId,
       bindData: bindData ?? this.bindData,
     );
   }
 
-  // toMap 方法：修正键名，确保与 fromMap 保持一致
+  // toMap method for serializing to a database-friendly Map
   Map<String, dynamic> toMap() {
     return {
       'id': id,
       'description': description,
       'location': location,
-      'imageUrls': imageUrls.join(';;'), // 使用正确的键名 'imageUrls'
-      'createdAt': createdAt.millisecondsSinceEpoch,
-      'isUploaded': isUploaded ? 1 : 0,
+      'imageUrls': jsonEncode(imageUrls.map((meta) => meta.toMap()).toList()),
+      'creationTime': creationTime.millisecondsSinceEpoch,
+      'syncStatus': syncStatus.index,
       'censorTaskId': censorTaskId,
-      'bindData': bindData, // 使用正确的键名 'bindData'
+      'bindData': bindData,
     };
   }
 
-  // fromMap 方法：修正键名，确保与 toMap 保持一致
+  // fromMap factory constructor for deserializing from a Map
   factory Problem.fromMap(Map<String, dynamic> map) {
     return Problem(
       id: map['id'],
       description: map['description'],
       location: map['location'],
-      imageUrls: (map['imageUrls'] as String).split(
-        ';;',
-      ), // 使用正确的键名 'imageUrls'
-      createdAt: DateTime.fromMillisecondsSinceEpoch(map['createdAt']),
-      isUploaded: map['isUploaded'] == 1,
+      imageUrls: (jsonDecode(map['imageUrls']) as List)
+          .map((item) => ImageMetadata.fromMap(item as Map<String, dynamic>))
+          .toList(),
+      creationTime: DateTime.fromMillisecondsSinceEpoch(
+        map['creationTime'] as int,
+      ),
+      syncStatus: SyncStatus.values[map['syncStatus'] as int],
       censorTaskId: map['censorTaskId'],
-      bindData: map['bindData'], // 使用正确的键名 'bindData'
+      bindData: map['bindData'],
     );
   }
 }
diff --git a/lib/data/providers/local_database.dart b/lib/data/providers/local_database.dart
deleted file mode 100644
index c2dea50..0000000
--- a/lib/data/providers/local_database.dart
+++ /dev/null
@@ -1,148 +0,0 @@
-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';
-
-/// 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';
-
-  /// 私有的数据库实例，只能在 LocalDatabase 类内部访问。
-  late Database _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();
-  }
-
-  /// 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(
-        id TEXT PRIMARY KEY,
-        description TEXT NOT NULL,
-        location TEXT NOT NULL,
-        imageUrls TEXT NOT NULL,
-        createdAt INTEGER NOT NULL,
-        isUploaded INTEGER NOT NULL,
-        censorTaskId TEXT,
-        bindData TEXT
-      )
-    ''');
-  }
-
-  /// 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 {
-    problem.id = const Uuid().v4();
-    return await _database.insert(_tableName, problem.toMap());
-  }
-
-  /// 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 {
-    return await _database.delete(_tableName, where: 'id = ?', whereArgs: [id]);
-  }
-
-  /// 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 {
-    return await _database.update(
-      _tableName,
-      problem.toMap(),
-      where: 'id = ?',
-      whereArgs: [problem.id],
-    );
-  }
-
-  /// 根据 ID 获取单个问题。
-  /// 如果找到问题，返回 Problem 对象；否则，返回 null。
-  Future<Problem?> getProblemById(String id) async {
-    final List<Map<String, dynamic>> maps = await _database.query(
-      _tableName,
-      where: 'id = ?',
-      whereArgs: [id],
-      limit: 1, // 限制结果为1，因为ID是唯一的
-    );
-
-    if (maps.isNotEmpty) {
-      // 找到问题，将其转换为 Problem 对象
-      return Problem.fromMap(maps.first);
-    } else {
-      // 未找到问题，返回 null
-      return null;
-    }
-  }
-
-  /// 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 = '全部',
-    String bindStatus = '全部',
-  }) async {
-    final List<String> whereClauses = [];
-    final List<dynamic> whereArgs = [];
-
-    if (startDate != null) {
-      whereClauses.add('createdAt >= ?');
-      whereArgs.add(startDate.millisecondsSinceEpoch);
-    }
-
-    if (endDate != null) {
-      whereClauses.add('createdAt <= ?');
-      whereArgs.add(endDate.millisecondsSinceEpoch);
-    }
-
-    if (uploadStatus != '全部') {
-      whereClauses.add('isUploaded = ?');
-      whereArgs.add(uploadStatus == '已上传' ? 1 : 0);
-    }
-
-    if (bindStatus != '全部') {
-      if (bindStatus == '已绑定') {
-        whereClauses.add('censorTaskId IS NOT NULL');
-      } else {
-        whereClauses.add('censorTaskId IS NULL');
-      }
-    }
-
-    final String whereString = whereClauses.join(' AND ');
-
-    final List<Map<String, dynamic>> maps = await _database.query(
-      _tableName,
-      where: whereString.isEmpty ? null : whereString,
-      whereArgs: whereArgs.isEmpty ? null : whereArgs,
-      orderBy: 'createdAt DESC',
-    );
-
-    return List.generate(maps.length, (i) {
-      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/providers/sqlite_provider.dart b/lib/data/providers/sqlite_provider.dart
new file mode 100644
index 0000000..ec81f0d
--- /dev/null
+++ b/lib/data/providers/sqlite_provider.dart
@@ -0,0 +1,147 @@
+// sqlite_provider.dart
+import 'package:get/get.dart';
+import 'package:problem_check_system/data/models/enum_model.dart';
+import 'package:problem_check_system/data/models/problem_model.dart';
+import 'package:sqflite/sqflite.dart';
+import 'package:path/path.dart';
+import 'package:uuid/uuid.dart';
+
+/// `SQLiteProvider` 是一个 GetxService，负责管理本地 SQLite 数据库。
+/// 作为一个单例服务，它在整个应用生命周期中只会被创建一次。
+class SQLiteProvider extends GetxService {
+  static const String _dbName = 'problems.db';
+  static const String _tableName = 'problems';
+
+  /// 私有数据库实例，仅在服务内部访问。
+  late Database _database;
+
+  /// 在服务首次初始化时调用，用于执行异步设置。
+  @override
+  void onInit() {
+    super.onInit();
+    _initDatabase();
+  }
+
+  /// 异步初始化数据库连接。如果数据库不存在，则会创建它。
+  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，用于定义表结构。
+  Future<void> _onCreate(Database db, int version) async {
+    await db.execute('''
+      CREATE TABLE $_tableName(
+        id TEXT PRIMARY KEY,
+        description TEXT NOT NULL,
+        location TEXT NOT NULL,
+        imageUrls TEXT NOT NULL,
+        creationTime INTEGER NOT NULL,
+        syncStatus INTEGER NOT NULL,
+        censorTaskId TEXT,
+        bindData TEXT
+      )
+    ''');
+  }
+
+  /// ---
+
+  /// **数据操作 (CRUD) 方法**
+
+  /// 向数据库中插入一个新问题。
+  /// 如果 `problem` 没有 `id`，会自动生成一个唯一的 UUID。
+  Future<int> insertProblem(Problem problem) async {
+    final problemToInsert = problem.copyWith(
+      id: problem.id ?? const Uuid().v4(),
+    );
+    return await _database.insert(
+      _tableName,
+      problemToInsert.toMap(),
+      conflictAlgorithm: ConflictAlgorithm.replace,
+    );
+  }
+
+  /// 根据 ID 从数据库中删除一个问题。
+  /// 返回被删除的行数。
+  Future<int> deleteProblem(String id) async {
+    return await _database.delete(_tableName, where: 'id = ?', whereArgs: [id]);
+  }
+
+  /// 更新数据库中已存在的问题。
+  /// 返回被更新的行数。
+  Future<int> updateProblem(Problem problem) async {
+    return await _database.update(
+      _tableName,
+      problem.toMap(),
+      where: 'id = ?',
+      whereArgs: [problem.id],
+    );
+  }
+
+  /// 根据 ID 获取单个问题。
+  /// 如果找到则返回 `Problem` 对象，否则返回 `null`。
+  Future<Problem?> getProblemById(String id) async {
+    final List<Map<String, dynamic>> maps = await _database.query(
+      _tableName,
+      where: 'id = ?',
+      whereArgs: [id],
+      limit: 1,
+    );
+
+    if (maps.isNotEmpty) {
+      return Problem.fromMap(maps.first);
+    }
+    return null;
+  }
+
+  /// 获取所有问题，支持按筛选条件查询。
+  /// 可选参数用于筛选创建时间范围和同步状态。
+  Future<List<Problem>> getProblems({
+    DateTime? startDate,
+    DateTime? endDate,
+    SyncStatus? syncStatus,
+  }) async {
+    final List<String> whereClauses = [];
+    final List<dynamic> whereArgs = [];
+
+    if (startDate != null) {
+      whereClauses.add('creationTime >= ?');
+      whereArgs.add(startDate.millisecondsSinceEpoch);
+    }
+
+    if (endDate != null) {
+      whereClauses.add('creationTime <= ?');
+      whereArgs.add(endDate.millisecondsSinceEpoch);
+    }
+
+    if (syncStatus != null) {
+      whereClauses.add('syncStatus = ?');
+      whereArgs.add(syncStatus.index);
+    }
+
+    final String? whereString = whereClauses.isNotEmpty
+        ? whereClauses.join(' AND ')
+        : null;
+
+    final List<Map<String, dynamic>> maps = await _database.query(
+      _tableName,
+      where: whereString,
+      whereArgs: whereArgs.isEmpty ? null : whereArgs,
+      orderBy: 'creationTime DESC',
+    );
+
+    return maps.map((json) => Problem.fromMap(json)).toList();
+  }
+
+  /// ---
+
+  /// `GetxService` 生命周期方法，在服务被销毁前调用，
+  /// 用于关闭数据库连接，防止资源泄漏。
+  @override
+  void onClose() {
+    _database.close();
+    super.onClose();
+  }
+}
diff --git a/lib/data/repositories/auth_repository.dart b/lib/data/repositories/auth_repository.dart
index bff1c2a..68a2cf8 100644
--- a/lib/data/repositories/auth_repository.dart
+++ b/lib/data/repositories/auth_repository.dart
@@ -20,7 +20,7 @@ class AuthRepository extends GetxService {
   static const String _tokenKey = 'token';
   static const String _refreshTokenKey = 'refresh_token';
   static const String _loginKey = 'user';
-  static const String _rememberPassword = 'remember_password';
+  static const String _rememberMe = 'remember_me';
 
   void saveToken(String token) {
     storage.write(_tokenKey, token);
@@ -60,12 +60,12 @@ class AuthRepository extends GetxService {
     storage.remove(_loginKey);
   }
 
-  void addRememberPassword(bool remembered) {
-    storage.write(_rememberPassword, remembered);
+  void addRememberMe(bool remembered) {
+    storage.write(_rememberMe, remembered);
   }
 
-  bool getRememberPassword() {
-    return storage.read(_rememberPassword);
+  bool getRememberMe() {
+    return storage.read(_rememberMe) ?? false;
   }
 
   void clearAuthData() {
diff --git a/lib/data/repositories/file_repository.dart b/lib/data/repositories/file_repository.dart
new file mode 100644
index 0000000..19c5fd4
--- /dev/null
+++ b/lib/data/repositories/file_repository.dart
@@ -0,0 +1,71 @@
+import 'dart:io';
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart'; // 引入 kDebugMode 和 debugPrint
+import 'package:get/get.dart' hide FormData, MultipartFile;
+import 'package:path/path.dart' as p;
+import 'package:problem_check_system/data/providers/http_provider.dart';
+
+class FileRepository {
+  final HttpProvider _httpProvider = Get.find<HttpProvider>();
+
+  /// 上传图片文件到服务器。
+  /// @param imageFile 要上传的本地图片文件。
+  /// @param cancelToken 用于取消上传任务的令牌。
+  /// @param onSendProgress 上传进度回调，提供已发送和总大小。
+  /// @return 上传成功后服务器返回的图片 URL。
+  Future<String> uploadImage(
+    File imageFile, {
+    required CancelToken cancelToken,
+    ProgressCallback? onSendProgress,
+  }) async {
+    try {
+      // 1. 创建 FormData 对象，用于构建 multipart/form-data 请求体
+      final formData = FormData.fromMap({
+        // 'file': 这通常是后端接口定义的文件字段名
+        'file': await MultipartFile.fromFile(
+          imageFile.path,
+          filename: p.basename(imageFile.path),
+        ),
+      });
+
+      // 2. 使用 HttpProvider 的 post 方法发送请求
+      final response = await _httpProvider.post(
+        '/api/Objects/association/problem',
+        data: formData,
+        cancelToken: cancelToken, // 将取消令牌传递给 post 请求
+        onSendProgress: onSendProgress, // 将进度回调传递给 post 请求
+      );
+
+      // --- 在这里打印服务器的完整响应结构 (仅在调试模式下) ---
+      if (kDebugMode) {
+        debugPrint('服务器返回的状态码: ${response.statusCode}');
+        debugPrint('服务器返回的原始数据: ${response.data}');
+      }
+
+      // 3. 处理响应，并返回图片 URL
+      if (response.statusCode == 200) {
+        final Map<String, dynamic> data = response.data;
+
+        // 假设服务器返回的图片 URL 字段名为 'url'
+        final imageUrl = data['url'];
+
+        if (imageUrl is String && imageUrl.isNotEmpty) {
+          return imageUrl;
+        } else {
+          // 如果返回结构不符合预期，抛出自定义异常
+          throw Exception('服务器响应中未找到有效的图片URL');
+        }
+      } else {
+        // 对于非 200 状态码，抛出异常
+        throw Exception('上传失败，状态码: ${response.statusCode}');
+      }
+    } on DioException catch (e) {
+      // 捕获 Dio 异常并重新抛出，以便上层逻辑可以处理（如取消、超时等）
+      // 使用 rethrow 来保留原始的异常栈信息
+      rethrow;
+    } catch (e) {
+      // 捕获其他未知错误
+      throw Exception('图片上传发生未知错误: $e');
+    }
+  }
+}
diff --git a/lib/data/repositories/problem_repository.dart b/lib/data/repositories/problem_repository.dart
index cca5f2c..0000ed4 100644
--- a/lib/data/repositories/problem_repository.dart
+++ b/lib/data/repositories/problem_repository.dart
@@ -1,20 +1,27 @@
-import 'package:get/get.dart';
+import 'dart:io';
+
+import 'package:dio/dio.dart';
+import 'package:get/get.dart' hide MultipartFile, FormData;
+import 'package:problem_check_system/data/models/enum_model.dart';
+import 'package:problem_check_system/data/models/image_metadata_model.dart';
 import 'package:problem_check_system/data/models/problem_model.dart';
 import 'package:problem_check_system/data/providers/connectivity_provider.dart';
 import 'package:problem_check_system/data/providers/http_provider.dart';
-import 'package:problem_check_system/data/providers/local_database.dart';
+import 'package:problem_check_system/data/providers/sqlite_provider.dart';
+import 'package:problem_check_system/data/repositories/file_repository.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 extends GetxService {
-  final LocalDatabase localDatabase;
+  final SQLiteProvider sqliteProvider;
   final HttpProvider httpProvider;
   final ConnectivityProvider connectivityProvider;
+  final FileRepository fileRepository = Get.find<FileRepository>();
 
   RxBool get isOnline => connectivityProvider.isOnline;
 
   ProblemRepository({
-    required this.localDatabase,
+    required this.sqliteProvider,
     required this.httpProvider,
     required this.connectivityProvider,
   });
@@ -23,14 +30,14 @@ class ProblemRepository extends GetxService {
   /// 如果问题存在则更新，如果不存在则插入。
   Future<void> updateProblem(Problem problem) async {
     // 检查问题是否存在，通常通过ID判断
-    final existingProblem = await localDatabase.getProblemById(problem.id!);
+    final existingProblem = await sqliteProvider.getProblemById(problem.id!);
 
     if (existingProblem != null) {
       // 问题已存在，执行更新操作
-      await localDatabase.updateProblem(problem);
+      await sqliteProvider.updateProblem(problem);
     } else {
       // 问题不存在，执行插入操作
-      await localDatabase.insertProblem(problem);
+      await sqliteProvider.insertProblem(problem);
     }
   }
 
@@ -44,19 +51,155 @@ class ProblemRepository extends GetxService {
     String uploadStatus = '全部',
     String bindStatus = '全部',
   }) async {
-    return await localDatabase.getProblems(
+    return await sqliteProvider.getProblems(
       startDate: startDate,
       endDate: endDate,
-      uploadStatus: uploadStatus,
-      bindStatus: bindStatus,
+      syncStatus: SyncStatus.notSynced,
     );
   }
 
   Future<void> insertProblem(Problem problem) async {
-    await localDatabase.insertProblem(problem);
+    await sqliteProvider.insertProblem(problem);
   }
 
   Future<void> deleteProblem(String id) async {
-    await localDatabase.deleteProblem(id);
+    await sqliteProvider.deleteProblem(id);
+  }
+
+  // * /api/Objects/association/${file.name}
+  /// 上传单个问题及其所有关联的图片。
+  Future<Problem> uploadProblem(
+    Problem problem, {
+    required CancelToken cancelToken,
+    required void Function(double progress) onProgress,
+  }) async {
+    try {
+      final newImages = problem.imageUrls
+          .where((img) => img.status == ImageStatus.local)
+          .toList();
+      final totalFilesToUpload = newImages.length;
+      int filesUploadedCount = 0;
+
+      // 1. 上传所有状态为 ImageStatus.local 的新图片
+      final List<String> remoteUrls = [];
+      for (var image in newImages) {
+        // 修正：当上传被取消时，抛出异常而不是无返回值的 return
+        if (cancelToken.isCancelled) {
+          throw DioException(
+            requestOptions: RequestOptions(path: ''),
+            type: DioExceptionType.cancel,
+            error: '上传已取消',
+          );
+        }
+        final imageFile = File(image.localPath);
+        final url = await fileRepository.uploadImage(
+          imageFile,
+          cancelToken: cancelToken,
+          onSendProgress: (sent, total) {
+            double overallProgress =
+                (filesUploadedCount + (sent / total)) / totalFilesToUpload;
+            onProgress(overallProgress);
+          },
+        );
+        remoteUrls.add(url);
+        filesUploadedCount++;
+      }
+      onProgress(1.0); // 确保图片上传进度为100%
+
+      // 2. 构建 API payload
+      final List<String> finalRemoteUrls = [];
+      int newImageIndex = 0;
+      for (var image in problem.imageUrls) {
+        if (image.status == ImageStatus.synced) {
+          finalRemoteUrls.add(image.remoteUrl!);
+        } else if (image.status == ImageStatus.local) {
+          finalRemoteUrls.add(remoteUrls[newImageIndex]);
+          newImageIndex++;
+        }
+      }
+
+      final apiPayload = {
+        'id': problem.id,
+        'description': problem.description,
+        'location': problem.location,
+        'imageUrls': finalRemoteUrls, // 使用整合后的网络URL列表
+        'createdAt': problem.creationTime.toIso8601String(),
+        // ... 其他字段
+      };
+
+      // 3. 发送给服务器
+      final response = await httpProvider.post(
+        '/api/problem',
+        data: apiPayload,
+        cancelToken: cancelToken,
+      );
+
+      // 4. 处理服务器响应，并更新本地模型状态
+      if (response.statusCode == 200) {
+        final List<ImageMetadata> updatedImageMetadata = [];
+        int uploadedUrlIndex = 0;
+        for (var image in problem.imageUrls) {
+          if (image.status == ImageStatus.local) {
+            updatedImageMetadata.add(
+              ImageMetadata(
+                localPath: image.localPath,
+                remoteUrl: remoteUrls[uploadedUrlIndex],
+                status: ImageStatus.synced,
+              ),
+            );
+            uploadedUrlIndex++;
+          } else {
+            updatedImageMetadata.add(image);
+          }
+        }
+
+        // 返回一个包含新同步状态和更新后图片列表的对象
+        return problem.copyWith(
+          syncStatus: SyncStatus.synced,
+          imageUrls: updatedImageMetadata,
+        );
+      } else {
+        throw Exception('问题上传失败，状态码: ${response.statusCode}');
+      }
+    } on DioException {
+      rethrow;
+    }
+  }
+
+  /// 新增：上传问题列表。
+  /// 遍历问题列表，并计算总进度。
+  Future<List<Problem>> uploadProblems(
+    List<Problem> problems, {
+    required CancelToken cancelToken,
+    required void Function(double progress) onProgress,
+  }) async {
+    final int totalProblems = problems.length;
+    final List<Problem> updatedProblems = [];
+
+    try {
+      for (int i = 0; i < totalProblems; i++) {
+        // 如果取消令牌被触发，停止并返回
+        if (cancelToken.isCancelled) {
+          break;
+        }
+
+        final problemToUpload = problems[i];
+
+        // 传递一个子进度回调，用于计算单个问题的进度
+        final updatedProblem = await uploadProblem(
+          problemToUpload,
+          cancelToken: cancelToken,
+          onProgress: (progress) {
+            // 计算总体进度：(已完成的问题数 + 当前问题的进度) / 总问题数
+            final overallProgress = (i + progress) / totalProblems;
+            onProgress(overallProgress);
+          },
+        );
+        updatedProblems.add(updatedProblem);
+      }
+      return updatedProblems;
+    } on DioException {
+      rethrow;
+    }
   }
 }
diff --git a/lib/modules/auth/controllers/login_controller.dart b/lib/modules/auth/controllers/login_controller.dart
index a37a364..a58cf6c 100644
--- a/lib/modules/auth/controllers/login_controller.dart
+++ b/lib/modules/auth/controllers/login_controller.dart
@@ -10,7 +10,7 @@ class LoginController extends GetxController {
   final TextEditingController passwordController = TextEditingController();
 
   final isLoading = false.obs;
-  final rememberPassword = false.obs;
+  final rememberMe = false.obs;
 
   LoginController({required AuthRepository authRepository})
     : _authRepository = authRepository;
@@ -18,13 +18,12 @@ class LoginController extends GetxController {
   @override
   void onInit() {
     super.onInit();
-    _loadRememberedUser();
+    _loadRememberedMe();
   }
 
-  void _loadRememberedUser() {
-    final remember = _authRepository.getRememberPassword();
-    rememberPassword.value = remember;
-    if (remember) {
+  void _loadRememberedMe() {
+    rememberMe.value = _authRepository.getRememberMe();
+    if (rememberMe.value) {
       final loginData = _authRepository.getLoginKey();
       usernameController.text = loginData.username;
       passwordController.text = loginData.password;
@@ -64,9 +63,9 @@ class LoginController extends GetxController {
       // 登录成功后
       _authRepository.saveToken(loginResponse.token);
       _authRepository.saveRefreshToken(loginResponse.refreshToken);
-      _authRepository.addRememberPassword(rememberPassword.value);
+      _authRepository.addRememberMe(rememberMe.value);
 
-      if (rememberPassword.value) {
+      if (rememberMe.value) {
         _authRepository.addLoginKey(loginRequest);
       } else {
         _authRepository.removeLoginKey();
diff --git a/lib/modules/auth/views/login_page.dart b/lib/modules/auth/views/login_page.dart
index c81594f..22d2483 100644
--- a/lib/modules/auth/views/login_page.dart
+++ b/lib/modules/auth/views/login_page.dart
@@ -127,8 +127,8 @@ class LoginPage extends GetView<LoginController> {
       children: [
         Obx(
           () => Checkbox(
-            value: controller.rememberPassword.value,
-            onChanged: (value) => controller.rememberPassword.value = value!,
+            value: controller.rememberMe.value,
+            onChanged: (value) => controller.rememberMe.value = value!,
           ),
         ),
         Text(
diff --git a/lib/modules/my/bingdings/change_password_binding.dart b/lib/modules/my/bindings/change_password_binding.dart
similarity index 100%
rename from lib/modules/my/bingdings/change_password_binding.dart
rename to lib/modules/my/bindings/change_password_binding.dart
diff --git a/lib/modules/problem/controllers/problem_controller.dart b/lib/modules/problem/controllers/problem_controller.dart
index 0385a47..ca37015 100644
--- a/lib/modules/problem/controllers/problem_controller.dart
+++ b/lib/modules/problem/controllers/problem_controller.dart
@@ -5,8 +5,6 @@ import 'package:dio/dio.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 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/repositories/problem_repository.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';
@@ -26,16 +24,15 @@ class ProblemController extends GetxController
   final RxList<Problem> unUploadedProblems = <Problem>[].obs;
   final Rx<bool> allSelected = false.obs;
   final RxDouble uploadProgress = 0.0.obs;
+  // Dio 的取消令牌，用于取消正在进行的请求
+  late CancelToken _cancelToken;
+
   int get selectedCount {
-    return unUploadedProblems
-        .where((problem) => problem.isChecked.value)
-        .length;
+    return unUploadedProblems.where((problem) => problem.isChecked).length;
   }
 
-  List<Problem> get selectedUnUploadedProblems {
-    return unUploadedProblems
-        .where((problem) => problem.isChecked.value)
-        .toList();
+  List<Problem> get selectedProblems {
+    return unUploadedProblems.where((problem) => problem.isChecked).toList();
   }
 
   /// 筛选条件
@@ -83,75 +80,111 @@ class ProblemController extends GetxController
   void selectAll() {
     final bool newState = !allSelected.value;
     for (var problem in unUploadedProblems) {
-      problem.isChecked.value = newState;
+      problem.isChecked = newState;
     }
     allSelected.value = newState;
     // _updateSelectedList();
   }
 
-  void uploadProblems() async {
-    // if (selectedUnUploadedProblems.isEmpty) return;
-    // // 实际的上传逻辑，例如调用 API
-    // // 上传完成后，清空列表或更新状态
-    // selectedUnUploadedProblems.clear();
-    for (var problem in selectedUnUploadedProblems) {
-      await uploadProblem(problem);
+  // 启动上传流程
+  Future<void> handleUpload() async {
+    if (selectedProblems.isEmpty) {
+      Get.snackbar('提示', '请选择要上传的问题');
+      return;
     }
-  }
 
-  Future<bool> uploadProblem(Problem problem) async {
+    uploadProgress.value = 0.0;
+    _cancelToken = CancelToken();
+
+    // 显示上传对话框
+    showUploadProgressDialog();
+
     try {
-      final formData = FormData.fromMap({
-        'description': problem.description,
-        'location': problem.location,
-        'createdAt': problem.createdAt.toIso8601String(),
-        'boundInfo': problem.bindData ?? '',
-      });
-
-      for (var imageUrl in problem.imageUrls) {
-        final file = File(imageUrl);
-        if (await file.exists()) {
-          formData.files.add(
-            MapEntry(
-              'images',
-              await MultipartFile.fromFile(
-                imageUrl,
-                filename: path.basename(imageUrl),
-              ),
-            ),
-          );
-        }
-      }
+      // 直接将问题列表传递给 Repository
+      await problemRepository.uploadProblems(
+        selectedProblems,
+        cancelToken: _cancelToken,
+        onProgress: (progress) {
+          uploadProgress.value = progress;
+        },
+      );
 
-      // final response = await httpProvider.post(
-      //   'https://your-server.com/api/problems',
-      //   data: formData,
-      //   options: Options(
-      //     sendTimeout: const Duration(seconds: 30),
-      //     receiveTimeout: const Duration(seconds: 30),
-      //   ),
-      // );
-
-      // if (response.statusCode == 200) {
-      //   final updatedProblem = problem.copyWith(isUploaded: true);
-      //   await updateProblem(updatedProblem);
-      return true;
-      // } else {
-      //   throw Exception('服务器返回错误状态码: ${response.statusCode}');
-      // }
+      Get.back();
+      Get.snackbar('成功', '所有问题已成功上传！', snackPosition: SnackPosition.BOTTOM);
     } on DioException catch (e) {
-      if (e.type == DioExceptionType.connectionTimeout ||
-          e.type == DioExceptionType.receiveTimeout) {
-        Get.snackbar('网络超时', '请检查网络连接后重试');
+      Get.back();
+      if (CancelToken.isCancel(e)) {
+        Get.snackbar('提示', '上传已取消', snackPosition: SnackPosition.BOTTOM);
       } else {
-        Get.snackbar('网络错误', '上传问题失败: ${e.message}');
+        Get.snackbar(
+          '上传失败',
+          '错误: ${e.message}',
+          snackPosition: SnackPosition.BOTTOM,
+        );
       }
-      return false;
     } catch (e) {
-      Get.snackbar('错误', '上传问题失败: $e');
-      return false;
+      Get.back();
+      Get.snackbar('上传失败', '发生未知错误', snackPosition: SnackPosition.BOTTOM);
     }
   }
+
+  /// 显示上传对话框
+  void showUploadProgressDialog() {
+    // 显示对话框
+    Get.defaultDialog(
+      title: '上传问题中...',
+      content: Obx(() {
+        // final progress = (uploadProgress.value * 100).toInt();
+        return Column(
+          // mainAxisSize: MainAxisSize.min,
+          children: [
+            SizedBox(height: 16.h),
+            LinearProgressIndicator(
+              value: uploadProgress.value,
+              backgroundColor: Colors.grey[300],
+              valueColor: const AlwaysStoppedAnimation<Color>(Colors.blue),
+            ),
+            SizedBox(height: 16.h),
+            // Text('已完成: $progress%'),
+            Text('已上传: ${unUploadedProblems.length} / $selectedCount'),
+          ],
+        );
+      }),
+      barrierDismissible: false, // 防止用户点击外部关闭对话框
+      // 添加一个 "取消" 按钮
+      cancel: ElevatedButton(
+        onPressed: () {
+          // 调用 controller 中的取消方法
+          cancelUpload();
+        },
+        child: Text('取消', style: TextStyle(color: Colors.red)),
+      ),
+    );
+    // 启动上传逻辑
+    // ...
+  }
+
+  void cancelUpload() {
+    // 在这里实现你的取消逻辑
+    // 1. 停止上传任务（例如，取消 HTTP 请求）
+    // 2. 将上传进度重置为0
+    uploadProgress.value = 0.0;
+    // 3. 关闭对话框
+    Get.back();
+    // 4. 可以添加一个提示，例如：
+    // Get.snackbar('提示', '上传已取消');
+  }
+
+  void uploadProblems() async {
+    // if (selectedUnUploadedProblems.isEmpty) return;
+    // // 实际的上传逻辑，例如调用 API
+    // // 上传完成后，清空列表或更新状态
+    // selectedUnUploadedProblems.clear();
+    // for (var problem in selectedUnUploadedProblems) {
+    //   await uploadProblem(problem);
+    // }
+  }
+
   // #endregion
 
   // #region 悬浮按钮
@@ -323,16 +356,16 @@ class ProblemController extends GetxController
   }
 
   Future<void> _deleteProblemImages(Problem problem) async {
-    for (var imagePath in problem.imageUrls) {
-      try {
-        final file = File(imagePath);
-        if (await file.exists()) {
-          await file.delete();
-        }
-      } catch (e) {
-        throw Exception(e);
-      }
-    }
+    // for (var imagePath in problem.imageUrls) {
+    //   try {
+    //     final file = File(imagePath);
+    //     if (await file.exists()) {
+    //       await file.delete();
+    //     }
+    //   } catch (e) {
+    //     throw Exception(e);
+    //   }
+    // }
   }
 
   /// 显示日期选择器
diff --git a/lib/modules/problem/controllers/problem_form_controller.dart b/lib/modules/problem/controllers/problem_form_controller.dart
index ed37561..346951c 100644
--- a/lib/modules/problem/controllers/problem_form_controller.dart
+++ b/lib/modules/problem/controllers/problem_form_controller.dart
@@ -4,12 +4,14 @@ import 'package:image_picker/image_picker.dart';
 import 'package:path/path.dart' as path;
 import 'package:permission_handler/permission_handler.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:problem_check_system/data/models/enum_model.dart';
+import 'package:problem_check_system/data/models/image_metadata_model.dart';
 import 'dart:io';
-import '../../../data/models/problem_model.dart';
+import 'package:problem_check_system/data/models/problem_model.dart';
 import 'problem_controller.dart';
 
 class ProblemFormController extends GetxController {
-  final ProblemController _problemController;
+  final ProblemController problemController;
   final TextEditingController descriptionController = TextEditingController();
   final TextEditingController locationController = TextEditingController();
   final RxList<XFile> selectedImages = <XFile>[].obs;
@@ -19,27 +21,23 @@ class ProblemFormController extends GetxController {
   Problem? _currentProblem;
 
   // 使用依赖注入，便于测试
-  ProblemFormController({ProblemController? problemController})
-    : _problemController = problemController ?? Get.find<ProblemController>();
+  ProblemFormController({required this.problemController});
 
-  // 是否是编辑模式
-  bool get isEditing => _currentProblem != null;
-
-  // 初始化方法，用于加载编辑数据
+  /// 初始化方法，用于加载现有问题数据
   void init(Problem? problem) {
+    _currentProblem = problem;
     if (problem != null) {
-      _currentProblem = problem;
       descriptionController.text = problem.description;
       locationController.text = problem.location;
 
-      // 清空旧图片，并加载新图片的路径
-      selectedImages.clear();
-      for (var path in problem.imageUrls) {
-        selectedImages.add(XFile(path));
-      }
+      // 清空旧数据，并从 ImageMetadata 中加载图片路径
+      // 假定您需要一个List<String>来存储图片路径
+      final imagePaths = problem.imageUrls
+          .map((meta) => XFile(meta.localPath))
+          .toList();
+      // 假设您的selectedImages是一个RxList<String>或类似的列表,支触发一次UI重建
+      selectedImages.assignAll(imagePaths);
     } else {
-      // 重置状态，确保是新增模式
-      _currentProblem = null;
       descriptionController.clear();
       locationController.clear();
       selectedImages.clear();
@@ -134,7 +132,7 @@ class ProblemFormController extends GetxController {
     return true;
   }
 
-  // 保存问题
+  /// 保存图片
   Future<void> saveProblem() async {
     if (!_validateForm()) {
       return;
@@ -144,18 +142,18 @@ class ProblemFormController extends GetxController {
 
     try {
       // 保存图片到本地
-      final List<String> imagePaths = await _saveImagesToLocal();
+      final List<ImageMetadata> imagePaths = await _saveImagesToLocal();
 
-      if (isEditing && _currentProblem != null) {
+      if (_currentProblem != null) {
         // 编辑模式：更新现有问题
         final updatedProblem = _currentProblem!.copyWith(
           description: descriptionController.text,
           location: locationController.text,
           imageUrls: imagePaths,
-          createdAt: DateTime.now(), // 更新编辑时间
+          creationTime: DateTime.now(), // 更新编辑时间
         );
 
-        await _problemController.updateProblem(updatedProblem);
+        await problemController.updateProblem(updatedProblem);
         Get.back(result: true); // 返回成功结果
         Get.snackbar('成功', '问题已更新');
       } else {
@@ -164,11 +162,11 @@ class ProblemFormController extends GetxController {
           description: descriptionController.text,
           location: locationController.text,
           imageUrls: imagePaths,
-          createdAt: DateTime.now(),
-          isUploaded: false,
+          creationTime: DateTime.now(),
+          syncStatus: SyncStatus.synced,
         );
 
-        await _problemController.addProblem(problem);
+        await problemController.addProblem(problem);
         Get.back(result: true); // 返回成功结果
         Get.snackbar('成功', '问题已保存');
       }
@@ -180,8 +178,8 @@ class ProblemFormController extends GetxController {
   }
 
   // 保存图片到本地存储
-  Future<List<String>> _saveImagesToLocal() async {
-    final List<String> imagePaths = [];
+  Future<List<ImageMetadata>> _saveImagesToLocal() async {
+    final List<ImageMetadata> imagePaths = [];
     final directory = await getApplicationDocumentsDirectory();
     final imagesDir = Directory('${directory.path}/problem_images');
 
@@ -195,13 +193,17 @@ class ProblemFormController extends GetxController {
         final String fileName =
             'problem_${DateTime.now().millisecondsSinceEpoch}_${path.basename(image.name)}';
         final String imagePath = '${imagesDir.path}/$fileName';
+        final ImageMetadata imageData = ImageMetadata(
+          localPath: imagePath,
+          status: ImageStatus.local,
+        );
         final File imageFile = File(imagePath);
 
         // 读取图片字节并写入文件
         final imageBytes = await image.readAsBytes();
         await imageFile.writeAsBytes(imageBytes);
 
-        imagePaths.add(imagePath);
+        imagePaths.add(imageData);
       } catch (e) {
         throw Exception(e);
       }
diff --git a/lib/modules/problem/views/problem_form_page.dart b/lib/modules/problem/views/problem_form_page.dart
index 0498614..7db53ca 100644
--- a/lib/modules/problem/views/problem_form_page.dart
+++ b/lib/modules/problem/views/problem_form_page.dart
@@ -6,21 +6,16 @@ import 'package:image_picker/image_picker.dart';
 import 'package:problem_check_system/modules/problem/controllers/problem_form_controller.dart';
 import 'package:problem_check_system/data/models/problem_model.dart';
 
-class ProblemFormPage extends StatelessWidget {
+class ProblemFormPage extends GetView<ProblemFormController> {
   final Problem? problem;
-  final bool isReadOnly; // 新增的只读标志
-  final ProblemFormController controller = Get.put(ProblemFormController());
+  final bool isReadOnly;
 
   // 构造函数，接收只读标志
-  ProblemFormPage({super.key, this.problem, this.isReadOnly = false});
+  const ProblemFormPage({super.key, this.problem, this.isReadOnly = false});
 
   @override
   Widget build(BuildContext context) {
-    // 在页面首次绘制后调用控制器初始化方法
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      controller.init(problem);
-    });
-
+    controller.init(problem);
     return Scaffold(
       appBar: AppBar(
         flexibleSpace: Container(
diff --git a/lib/modules/problem/views/problem_list_page.dart b/lib/modules/problem/views/problem_list_page.dart
index f2fdbb6..fe96749 100644
--- a/lib/modules/problem/views/problem_list_page.dart
+++ b/lib/modules/problem/views/problem_list_page.dart
@@ -56,10 +56,10 @@ class ProblemListPage extends GetView<ProblemController> {
           controller.deleteProblem(problem);
           Get.snackbar('成功', '问题已删除');
         },
-        child: ProblemCard(problem, viewType: viewType),
+        child: ProblemCard(problem: problem.obs, viewType: viewType),
       );
     } else {
-      return ProblemCard(problem, viewType: viewType);
+      return ProblemCard(problem: problem.obs, viewType: viewType);
     }
   }
 
diff --git a/lib/modules/problem/views/problem_upload_page.dart b/lib/modules/problem/views/problem_upload_page.dart
index 2271b3e..0f6b021 100644
--- a/lib/modules/problem/views/problem_upload_page.dart
+++ b/lib/modules/problem/views/problem_upload_page.dart
@@ -59,7 +59,7 @@ class ProblemUploadPage extends GetView<ProblemController> {
       child: Obx(
         () => ElevatedButton(
           onPressed: controller.selectedCount > 0
-              ? controller.uploadProblems
+              ? controller.handleUpload
               : null,
           style: ElevatedButton.styleFrom(
             backgroundColor: Colors.blue,
@@ -73,28 +73,4 @@ class ProblemUploadPage extends GetView<ProblemController> {
       ),
     );
   }
-
-  Widget uploadProgressWidget() {
-    return AlertDialog(
-      title: Text('上传中...'),
-      content: Obx(() {
-        final progress = (controller.uploadProgress.value * 100).toInt();
-        return Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            LinearProgressIndicator(
-              value: controller.uploadProgress.value,
-              backgroundColor: Colors.grey[300],
-              valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
-            ),
-            SizedBox(height: 16),
-            Text('已完成: $progress%'),
-            Text(
-              '已上传: ${controller.unUploadedProblems.length} / ${controller.selectedCount}',
-            ),
-          ],
-        );
-      }),
-    );
-  }
 }
diff --git a/lib/modules/problem/views/widgets/problem_card.dart b/lib/modules/problem/views/widgets/problem_card.dart
index c5368c0..45ff053 100644
--- a/lib/modules/problem/views/widgets/problem_card.dart
+++ b/lib/modules/problem/views/widgets/problem_card.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:intl/intl.dart';
+import 'package:problem_check_system/data/models/enum_model.dart';
 import 'package:problem_check_system/data/models/problem_model.dart';
 import 'package:problem_check_system/modules/problem/controllers/problem_controller.dart';
 import 'package:problem_check_system/modules/problem/views/widgets/custom_button.dart';
@@ -12,12 +13,12 @@ import 'package:tdesign_flutter/tdesign_flutter.dart';
 enum ProblemCardViewType { buttons, checkbox }
 
 class ProblemCard extends GetView<ProblemController> {
-  final Problem problem;
+  final Rx<Problem> problem;
   final ProblemCardViewType viewType;
 
-  const ProblemCard(
-    this.problem, {
+  const ProblemCard({
     super.key,
+    required this.problem,
     this.viewType = ProblemCardViewType.buttons,
   });
 
@@ -37,7 +38,7 @@ class ProblemCard extends GetView<ProblemController> {
             subtitle: LayoutBuilder(
               builder: (context, constraints) {
                 return Text(
-                  problem.description,
+                  problem.value.description,
                   maxLines: 2,
                   overflow: TextOverflow.ellipsis,
                   style: TextStyle(fontSize: 14.sp),
@@ -53,7 +54,10 @@ class ProblemCard extends GetView<ProblemController> {
                 children: [
                   Icon(Icons.location_on, color: Colors.grey, size: 16.h),
                   SizedBox(width: 8.w),
-                  Text(problem.location, style: TextStyle(fontSize: 12.sp)),
+                  Text(
+                    problem.value.location,
+                    style: TextStyle(fontSize: 12.sp),
+                  ),
                 ],
               ),
               SizedBox(width: 16.w),
@@ -62,7 +66,9 @@ class ProblemCard extends GetView<ProblemController> {
                   Icon(Icons.access_time, color: Colors.grey, size: 16.h),
                   SizedBox(width: 8.w),
                   Text(
-                    DateFormat('yyyy-MM-dd HH:mm').format(problem.createdAt),
+                    DateFormat(
+                      'yyyy-MM-dd HH:mm',
+                    ).format(problem.value.creationTime),
                     style: TextStyle(fontSize: 12.sp),
                   ),
                 ],
@@ -77,10 +83,11 @@ class ProblemCard extends GetView<ProblemController> {
               Wrap(
                 spacing: 8,
                 children: [
-                  problem.isUploaded
+                  problem.value.syncStatus == SyncStatus.synced
                       ? TDTag('已上传', isLight: true, theme: TDTagTheme.success)
                       : TDTag('未上传', isLight: true, theme: TDTagTheme.danger),
-                  problem.bindData != null && problem.bindData!.isNotEmpty
+                  problem.value.bindData != null &&
+                          problem.value.bindData!.isNotEmpty
                       ? TDTag('已绑定', isLight: true, theme: TDTagTheme.primary)
                       : TDTag('未绑定', isLight: true, theme: TDTagTheme.warning),
                 ],
@@ -104,14 +111,16 @@ class ProblemCard extends GetView<ProblemController> {
             CustomButton(
               text: '修改',
               onTap: () {
-                Get.to(ProblemFormPage(problem: problem));
+                Get.to(ProblemFormPage(problem: problem.value));
               },
             ),
             SizedBox(width: 8.w),
             CustomButton(
               text: '查看',
               onTap: () {
-                Get.to(ProblemFormPage(problem: problem, isReadOnly: true));
+                Get.to(
+                  ProblemFormPage(problem: problem.value, isReadOnly: true),
+                );
               },
             ),
             SizedBox(width: 16.w),
@@ -123,10 +132,10 @@ class ProblemCard extends GetView<ProblemController> {
           child: Obx(
             () => Checkbox(
               // 将 Checkbox 的 value 绑定到 controller.isChecked.value
-              value: problem.isChecked.value,
+              value: problem.value.isChecked,
               // 当 Checkbox 状态改变时，调用 controller 中的方法来更新状态
               onChanged: (bool? value) {
-                problem.isChecked.value = value ?? false;
+                problem.value.isChecked = value ?? false;
                 controller.onProblemCheckedChange();
               },
             ),