diff --git a/frontend/mining-app/lib/core/network/api_endpoints.dart b/frontend/mining-app/lib/core/network/api_endpoints.dart
index 5def5234..7faaa65a 100644
--- a/frontend/mining-app/lib/core/network/api_endpoints.dart
+++ b/frontend/mining-app/lib/core/network/api_endpoints.dart
@@ -8,6 +8,8 @@ class ApiEndpoints {
   static const String refreshToken = '/auth/refresh';
   static const String logout = '/auth/logout';
   static const String userProfile = '/user/profile';
+  static const String resetPassword = '/password/reset';
+  static const String changePassword = '/password/change';
 
   // Mining Service
   static String shareAccount(String accountSequence) => '/api/v1/accounts/$accountSequence';
diff --git a/frontend/mining-app/lib/core/router/app_router.dart b/frontend/mining-app/lib/core/router/app_router.dart
index 07bfff97..fc182814 100644
--- a/frontend/mining-app/lib/core/router/app_router.dart
+++ b/frontend/mining-app/lib/core/router/app_router.dart
@@ -3,6 +3,8 @@ import 'package:go_router/go_router.dart';
 import '../../presentation/pages/splash/splash_page.dart';
 import '../../presentation/pages/auth/login_page.dart';
 import '../../presentation/pages/auth/register_page.dart';
+import '../../presentation/pages/auth/forgot_password_page.dart';
+import '../../presentation/pages/auth/change_password_page.dart';
 import '../../presentation/pages/home/home_page.dart';
 import '../../presentation/pages/contribution/contribution_page.dart';
 import '../../presentation/pages/trading/trading_page.dart';
@@ -26,6 +28,14 @@ final appRouterProvider = Provider<GoRouter>((ref) {
         path: Routes.register,
         builder: (context, state) => const RegisterPage(),
       ),
+      GoRoute(
+        path: Routes.forgotPassword,
+        builder: (context, state) => const ForgotPasswordPage(),
+      ),
+      GoRoute(
+        path: Routes.changePassword,
+        builder: (context, state) => const ChangePasswordPage(),
+      ),
       ShellRoute(
         builder: (context, state, child) => MainShell(child: child),
         routes: [
diff --git a/frontend/mining-app/lib/core/router/routes.dart b/frontend/mining-app/lib/core/router/routes.dart
index 56d684b4..99859c57 100644
--- a/frontend/mining-app/lib/core/router/routes.dart
+++ b/frontend/mining-app/lib/core/router/routes.dart
@@ -2,6 +2,8 @@ class Routes {
   static const String splash = '/';
   static const String login = '/login';
   static const String register = '/register';
+  static const String forgotPassword = '/forgot-password';
+  static const String changePassword = '/change-password';
   static const String home = '/home';
   static const String contribution = '/contribution';
   static const String trading = '/trading';
diff --git a/frontend/mining-app/lib/data/datasources/remote/auth_remote_datasource.dart b/frontend/mining-app/lib/data/datasources/remote/auth_remote_datasource.dart
index 09d441c8..c732f4e5 100644
--- a/frontend/mining-app/lib/data/datasources/remote/auth_remote_datasource.dart
+++ b/frontend/mining-app/lib/data/datasources/remote/auth_remote_datasource.dart
@@ -57,6 +57,8 @@ abstract class AuthRemoteDataSource {
   Future<String> refreshToken(String refreshToken);
   Future<void> logout(String refreshToken);
   Future<UserInfo> getProfile();
+  Future<void> resetPassword(String phone, String smsCode, String newPassword);
+  Future<void> changePassword(String oldPassword, String newPassword);
 }
 
 class AuthRemoteDataSourceImpl implements AuthRemoteDataSource {
@@ -162,4 +164,28 @@ class AuthRemoteDataSourceImpl implements AuthRemoteDataSource {
       throw ServerException(e.toString());
     }
   }
+
+  @override
+  Future<void> resetPassword(String phone, String smsCode, String newPassword) async {
+    try {
+      await client.post(
+        ApiEndpoints.resetPassword,
+        data: {'phone': phone, 'smsCode': smsCode, 'newPassword': newPassword},
+      );
+    } catch (e) {
+      throw ServerException(e.toString());
+    }
+  }
+
+  @override
+  Future<void> changePassword(String oldPassword, String newPassword) async {
+    try {
+      await client.post(
+        ApiEndpoints.changePassword,
+        data: {'oldPassword': oldPassword, 'newPassword': newPassword},
+      );
+    } catch (e) {
+      throw ServerException(e.toString());
+    }
+  }
 }
diff --git a/frontend/mining-app/lib/presentation/pages/auth/change_password_page.dart b/frontend/mining-app/lib/presentation/pages/auth/change_password_page.dart
new file mode 100644
index 00000000..1cef1b95
--- /dev/null
+++ b/frontend/mining-app/lib/presentation/pages/auth/change_password_page.dart
@@ -0,0 +1,249 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../../core/constants/app_colors.dart';
+import '../../providers/user_providers.dart';
+
+class ChangePasswordPage extends ConsumerStatefulWidget {
+  const ChangePasswordPage({super.key});
+
+  @override
+  ConsumerState<ChangePasswordPage> createState() => _ChangePasswordPageState();
+}
+
+class _ChangePasswordPageState extends ConsumerState<ChangePasswordPage> {
+  final _formKey = GlobalKey<FormState>();
+  final _oldPasswordController = TextEditingController();
+  final _newPasswordController = TextEditingController();
+  final _confirmPasswordController = TextEditingController();
+
+  bool _obscureOldPassword = true;
+  bool _obscureNewPassword = true;
+  bool _obscureConfirmPassword = true;
+
+  @override
+  void dispose() {
+    _oldPasswordController.dispose();
+    _newPasswordController.dispose();
+    _confirmPasswordController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _changePassword() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    final oldPassword = _oldPasswordController.text;
+    final newPassword = _newPasswordController.text;
+
+    try {
+      await ref.read(userNotifierProvider.notifier).changePassword(oldPassword, newPassword);
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('密码修改成功')),
+        );
+        context.pop();
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('修改失败: $e')),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final userState = ref.watch(userNotifierProvider);
+
+    return Scaffold(
+      backgroundColor: Colors.white,
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back, color: Colors.black),
+          onPressed: () => context.pop(),
+        ),
+        title: const Text(
+          '修改密码',
+          style: TextStyle(color: Colors.black),
+        ),
+        centerTitle: true,
+      ),
+      body: SafeArea(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(24),
+          child: Form(
+            key: _formKey,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                const SizedBox(height: 16),
+
+                // 当前密码
+                TextFormField(
+                  controller: _oldPasswordController,
+                  obscureText: _obscureOldPassword,
+                  decoration: InputDecoration(
+                    labelText: '当前密码',
+                    prefixIcon: const Icon(Icons.lock_outline),
+                    suffixIcon: IconButton(
+                      icon: Icon(
+                        _obscureOldPassword ? Icons.visibility_off : Icons.visibility,
+                      ),
+                      onPressed: () => setState(() => _obscureOldPassword = !_obscureOldPassword),
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请输入当前密码';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 16),
+
+                // 新密码
+                TextFormField(
+                  controller: _newPasswordController,
+                  obscureText: _obscureNewPassword,
+                  decoration: InputDecoration(
+                    labelText: '新密码',
+                    prefixIcon: const Icon(Icons.lock),
+                    suffixIcon: IconButton(
+                      icon: Icon(
+                        _obscureNewPassword ? Icons.visibility_off : Icons.visibility,
+                      ),
+                      onPressed: () => setState(() => _obscureNewPassword = !_obscureNewPassword),
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请输入新密码';
+                    }
+                    if (value.length < 6) {
+                      return '密码至少6位';
+                    }
+                    if (value == _oldPasswordController.text) {
+                      return '新密码不能与当前密码相同';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 16),
+
+                // 确认新密码
+                TextFormField(
+                  controller: _confirmPasswordController,
+                  obscureText: _obscureConfirmPassword,
+                  decoration: InputDecoration(
+                    labelText: '确认新密码',
+                    prefixIcon: const Icon(Icons.lock),
+                    suffixIcon: IconButton(
+                      icon: Icon(
+                        _obscureConfirmPassword ? Icons.visibility_off : Icons.visibility,
+                      ),
+                      onPressed: () => setState(() => _obscureConfirmPassword = !_obscureConfirmPassword),
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请确认新密码';
+                    }
+                    if (value != _newPasswordController.text) {
+                      return '两次密码输入不一致';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 32),
+
+                // 修改密码按钮
+                SizedBox(
+                  height: 52,
+                  child: ElevatedButton(
+                    onPressed: userState.isLoading ? null : _changePassword,
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: AppColors.primary,
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(12),
+                      ),
+                    ),
+                    child: userState.isLoading
+                        ? const SizedBox(
+                            width: 24,
+                            height: 24,
+                            child: CircularProgressIndicator(
+                              strokeWidth: 2,
+                              color: Colors.white,
+                            ),
+                          )
+                        : const Text(
+                            '确认修改',
+                            style: TextStyle(
+                              fontSize: 18,
+                              fontWeight: FontWeight.bold,
+                              color: Colors.white,
+                            ),
+                          ),
+                  ),
+                ),
+
+                const SizedBox(height: 16),
+
+                // 提示信息
+                Container(
+                  padding: const EdgeInsets.all(16),
+                  decoration: BoxDecoration(
+                    color: Colors.grey[100],
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Row(
+                        children: [
+                          Icon(Icons.info_outline, size: 20, color: Colors.grey[600]),
+                          const SizedBox(width: 8),
+                          Text(
+                            '密码要求',
+                            style: TextStyle(
+                              fontWeight: FontWeight.bold,
+                              color: Colors.grey[800],
+                            ),
+                          ),
+                        ],
+                      ),
+                      const SizedBox(height: 8),
+                      Text(
+                        '• 密码长度至少6位\n• 建议使用字母、数字和符号的组合\n• 新密码不能与当前密码相同',
+                        style: TextStyle(
+                          color: Colors.grey[600],
+                          height: 1.5,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/frontend/mining-app/lib/presentation/pages/auth/forgot_password_page.dart b/frontend/mining-app/lib/presentation/pages/auth/forgot_password_page.dart
new file mode 100644
index 00000000..58816b8b
--- /dev/null
+++ b/frontend/mining-app/lib/presentation/pages/auth/forgot_password_page.dart
@@ -0,0 +1,325 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../../core/router/routes.dart';
+import '../../../core/constants/app_colors.dart';
+import '../../providers/user_providers.dart';
+
+class ForgotPasswordPage extends ConsumerStatefulWidget {
+  const ForgotPasswordPage({super.key});
+
+  @override
+  ConsumerState<ForgotPasswordPage> createState() => _ForgotPasswordPageState();
+}
+
+class _ForgotPasswordPageState extends ConsumerState<ForgotPasswordPage> {
+  final _formKey = GlobalKey<FormState>();
+  final _phoneController = TextEditingController();
+  final _smsCodeController = TextEditingController();
+  final _passwordController = TextEditingController();
+  final _confirmPasswordController = TextEditingController();
+
+  bool _obscurePassword = true;
+  bool _obscureConfirmPassword = true;
+  int _countDown = 0;
+
+  @override
+  void dispose() {
+    _phoneController.dispose();
+    _smsCodeController.dispose();
+    _passwordController.dispose();
+    _confirmPasswordController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _sendSmsCode() async {
+    final phone = _phoneController.text.trim();
+    if (phone.isEmpty || !RegExp(r'^1[3-9]\d{9}$').hasMatch(phone)) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('请输入正确的手机号')),
+      );
+      return;
+    }
+
+    try {
+      await ref.read(userNotifierProvider.notifier).sendSmsCode(phone, 'RESET_PASSWORD');
+      setState(() => _countDown = 60);
+      _startCountDown();
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('验证码已发送')),
+        );
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('发送失败: $e')),
+        );
+      }
+    }
+  }
+
+  void _startCountDown() {
+    Future.delayed(const Duration(seconds: 1), () {
+      if (_countDown > 0 && mounted) {
+        setState(() => _countDown--);
+        _startCountDown();
+      }
+    });
+  }
+
+  Future<void> _resetPassword() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    final phone = _phoneController.text.trim();
+    final smsCode = _smsCodeController.text.trim();
+    final newPassword = _passwordController.text;
+
+    try {
+      await ref.read(userNotifierProvider.notifier).resetPassword(phone, smsCode, newPassword);
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('密码重置成功，请登录')),
+        );
+        context.go(Routes.login);
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('重置失败: $e')),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final userState = ref.watch(userNotifierProvider);
+
+    return Scaffold(
+      backgroundColor: Colors.white,
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back, color: Colors.black),
+          onPressed: () => context.pop(),
+        ),
+      ),
+      body: SafeArea(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(24),
+          child: Form(
+            key: _formKey,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                const Text(
+                  '找回密码',
+                  style: TextStyle(
+                    fontSize: 28,
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+
+                const SizedBox(height: 8),
+
+                Text(
+                  '请输入您的手机号，我们将发送验证码帮您重置密码',
+                  style: TextStyle(
+                    fontSize: 16,
+                    color: Colors.grey[600],
+                  ),
+                ),
+
+                const SizedBox(height: 32),
+
+                // 手机号
+                TextFormField(
+                  controller: _phoneController,
+                  keyboardType: TextInputType.phone,
+                  decoration: InputDecoration(
+                    labelText: '手机号',
+                    prefixIcon: const Icon(Icons.phone),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请输入手机号';
+                    }
+                    if (!RegExp(r'^1[3-9]\d{9}$').hasMatch(value)) {
+                      return '请输入正确的手机号';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 16),
+
+                // 验证码
+                Row(
+                  children: [
+                    Expanded(
+                      child: TextFormField(
+                        controller: _smsCodeController,
+                        keyboardType: TextInputType.number,
+                        maxLength: 6,
+                        decoration: InputDecoration(
+                          labelText: '验证码',
+                          prefixIcon: const Icon(Icons.sms),
+                          counterText: '',
+                          border: OutlineInputBorder(
+                            borderRadius: BorderRadius.circular(12),
+                          ),
+                        ),
+                        validator: (value) {
+                          if (value == null || value.isEmpty) {
+                            return '请输入验证码';
+                          }
+                          if (value.length != 6) {
+                            return '验证码为6位';
+                          }
+                          return null;
+                        },
+                      ),
+                    ),
+                    const SizedBox(width: 12),
+                    SizedBox(
+                      width: 120,
+                      height: 56,
+                      child: ElevatedButton(
+                        onPressed: _countDown > 0 ? null : _sendSmsCode,
+                        style: ElevatedButton.styleFrom(
+                          shape: RoundedRectangleBorder(
+                            borderRadius: BorderRadius.circular(12),
+                          ),
+                        ),
+                        child: Text(
+                          _countDown > 0 ? '${_countDown}s' : '获取验证码',
+                          style: const TextStyle(fontSize: 14),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+
+                const SizedBox(height: 16),
+
+                // 新密码
+                TextFormField(
+                  controller: _passwordController,
+                  obscureText: _obscurePassword,
+                  decoration: InputDecoration(
+                    labelText: '新密码',
+                    prefixIcon: const Icon(Icons.lock),
+                    suffixIcon: IconButton(
+                      icon: Icon(
+                        _obscurePassword ? Icons.visibility_off : Icons.visibility,
+                      ),
+                      onPressed: () => setState(() => _obscurePassword = !_obscurePassword),
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请输入新密码';
+                    }
+                    if (value.length < 6) {
+                      return '密码至少6位';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 16),
+
+                // 确认新密码
+                TextFormField(
+                  controller: _confirmPasswordController,
+                  obscureText: _obscureConfirmPassword,
+                  decoration: InputDecoration(
+                    labelText: '确认新密码',
+                    prefixIcon: const Icon(Icons.lock_outline),
+                    suffixIcon: IconButton(
+                      icon: Icon(
+                        _obscureConfirmPassword ? Icons.visibility_off : Icons.visibility,
+                      ),
+                      onPressed: () => setState(() => _obscureConfirmPassword = !_obscureConfirmPassword),
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.isEmpty) {
+                      return '请确认新密码';
+                    }
+                    if (value != _passwordController.text) {
+                      return '两次密码输入不一致';
+                    }
+                    return null;
+                  },
+                ),
+
+                const SizedBox(height: 32),
+
+                // 重置密码按钮
+                SizedBox(
+                  height: 52,
+                  child: ElevatedButton(
+                    onPressed: userState.isLoading ? null : _resetPassword,
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: AppColors.primary,
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(12),
+                      ),
+                    ),
+                    child: userState.isLoading
+                        ? const SizedBox(
+                            width: 24,
+                            height: 24,
+                            child: CircularProgressIndicator(
+                              strokeWidth: 2,
+                              color: Colors.white,
+                            ),
+                          )
+                        : const Text(
+                            '重置密码',
+                            style: TextStyle(
+                              fontSize: 18,
+                              fontWeight: FontWeight.bold,
+                              color: Colors.white,
+                            ),
+                          ),
+                  ),
+                ),
+
+                const SizedBox(height: 24),
+
+                // 返回登录
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    Text(
+                      '想起密码了？',
+                      style: TextStyle(color: Colors.grey[600]),
+                    ),
+                    TextButton(
+                      onPressed: () => context.pop(),
+                      child: const Text('返回登录'),
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/frontend/mining-app/lib/presentation/pages/auth/login_page.dart b/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
index fc8f978b..54128d16 100644
--- a/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
@@ -338,7 +338,22 @@ class _LoginPageState extends ConsumerState<LoginPage> {
                   ),
                 ),
 
-                const SizedBox(height: 24),
+                const SizedBox(height: 16),
+
+                // 忘记密码
+                if (_isPasswordLogin)
+                  Align(
+                    alignment: Alignment.centerRight,
+                    child: TextButton(
+                      onPressed: () => context.push(Routes.forgotPassword),
+                      child: Text(
+                        '忘记密码？',
+                        style: TextStyle(color: Colors.grey[600]),
+                      ),
+                    ),
+                  ),
+
+                const SizedBox(height: 8),
 
                 // 注册入口
                 Row(
diff --git a/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart b/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
index 7e71390d..1cad4cdd 100644
--- a/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/profile/profile_page.dart
@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
 import '../../../core/constants/app_colors.dart';
+import '../../../core/router/routes.dart';
 import '../../providers/user_providers.dart';
 
 class ProfilePage extends ConsumerWidget {
@@ -94,6 +96,11 @@ class ProfilePage extends ConsumerWidget {
                   label: '个人信息',
                   onTap: () {},
                 ),
+                _MenuItem(
+                  icon: Icons.lock_outline,
+                  label: '修改密码',
+                  onTap: () => context.push(Routes.changePassword),
+                ),
                 _MenuItem(
                   icon: Icons.security,
                   label: '安全设置',
diff --git a/frontend/mining-app/lib/presentation/providers/user_providers.dart b/frontend/mining-app/lib/presentation/providers/user_providers.dart
index d1611498..09976a34 100644
--- a/frontend/mining-app/lib/presentation/providers/user_providers.dart
+++ b/frontend/mining-app/lib/presentation/providers/user_providers.dart
@@ -192,6 +192,28 @@ class UserNotifier extends StateNotifier<UserState> {
     }
   }
 
+  Future<void> resetPassword(String phone, String smsCode, String newPassword) async {
+    state = state.copyWith(isLoading: true, error: null);
+    try {
+      await _authDataSource.resetPassword(phone, smsCode, newPassword);
+      state = state.copyWith(isLoading: false);
+    } catch (e) {
+      state = state.copyWith(isLoading: false, error: e.toString());
+      rethrow;
+    }
+  }
+
+  Future<void> changePassword(String oldPassword, String newPassword) async {
+    state = state.copyWith(isLoading: true, error: null);
+    try {
+      await _authDataSource.changePassword(oldPassword, newPassword);
+      state = state.copyWith(isLoading: false);
+    } catch (e) {
+      state = state.copyWith(isLoading: false, error: e.toString());
+      rethrow;
+    }
+  }
+
   // Legacy method for compatibility
   void login({
     required String accountSequence,