diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index e6ffa67d..14573e6f 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -756,7 +756,8 @@
       "Bash(set DATABASE_URL=postgresql://user:pass@localhost:5432/db)",
       "Bash(cmd /c \"set DATABASE_URL=postgresql://user:pass@localhost:5432/db && npx prisma migrate dev --name add_nickname_to_synced_legacy_users --create-only\")",
       "Bash(dir \"c:\\\\Users\\\\dong\\\\Desktop\\\\rwadurian\\\\frontend\")",
-      "Bash(git commit -m \"$\\(cat <<''EOF''\nfeat\\(mining-app\\): fix login bugs and connect contribution page to real API\n\nLogin fixes:\n- Add AuthEventBus for global 401 error handling with auto-logout\n- Add route guards with GoRouter redirect to protect authenticated routes\n- Remove setMockUser\\(\\) security vulnerability and legacy login\\(\\) dead code\n- Remove unused AuthInterceptor class\n\nContribution page:\n- Add ContributionRecord entity and model for records API\n- Connect contribution details card to GET /accounts/{id}/records endpoint\n- Display real team stats \\(direct referrals, unlocked levels/tiers\\)\n- Calculate expiration countdown from actual record data\n\nCo-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>\nEOF\n\\)\")"
+      "Bash(git commit -m \"$\\(cat <<''EOF''\nfeat\\(mining-app\\): fix login bugs and connect contribution page to real API\n\nLogin fixes:\n- Add AuthEventBus for global 401 error handling with auto-logout\n- Add route guards with GoRouter redirect to protect authenticated routes\n- Remove setMockUser\\(\\) security vulnerability and legacy login\\(\\) dead code\n- Remove unused AuthInterceptor class\n\nContribution page:\n- Add ContributionRecord entity and model for records API\n- Connect contribution details card to GET /accounts/{id}/records endpoint\n- Display real team stats \\(direct referrals, unlocked levels/tiers\\)\n- Calculate expiration countdown from actual record data\n\nCo-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>\nEOF\n\\)\")",
+      "Bash(dependency of a provider changed\" error when 401 responses triggered\nlogout during provider rebuilds.\n\nNow 401 handling is done through normal exception flow in splash page\nand route guards respond to isLoggedInProvider state changes.\n\nCo-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>\nEOF\n\\)\")"
     ],
     "deny": [],
     "ask": []
diff --git a/frontend/mining-app/lib/core/network/api_client.dart b/frontend/mining-app/lib/core/network/api_client.dart
index d7e8921d..8d3bcee0 100644
--- a/frontend/mining-app/lib/core/network/api_client.dart
+++ b/frontend/mining-app/lib/core/network/api_client.dart
@@ -1,30 +1,8 @@
-import 'dart:async';
 import 'package:dio/dio.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import '../constants/app_constants.dart';
 import '../error/exceptions.dart';
 
-/// 全局未授权事件控制器，用于通知 401 错误
-class AuthEventBus {
-  static final AuthEventBus _instance = AuthEventBus._internal();
-  factory AuthEventBus() => _instance;
-  AuthEventBus._internal();
-
-  final _unauthorizedController = StreamController<void>.broadcast();
-
-  /// 监听未授权事件
-  Stream<void> get onUnauthorized => _unauthorizedController.stream;
-
-  /// 触发未授权事件
-  void emitUnauthorized() {
-    _unauthorizedController.add(null);
-  }
-
-  void dispose() {
-    _unauthorizedController.close();
-  }
-}
-
 class ApiClient {
   final Dio dio;
 
@@ -129,8 +107,6 @@ class ApiClient {
       case DioExceptionType.badResponse:
         final statusCode = e.response?.statusCode;
         if (statusCode == 401) {
-          // 触发全局未授权事件，通知应用进行登出处理
-          AuthEventBus().emitUnauthorized();
           return UnauthorizedException();
         }
         final message = e.response?.data?['error']?['message']?[0] ?? '服务器错误';
diff --git a/frontend/mining-app/lib/core/router/app_router.dart b/frontend/mining-app/lib/core/router/app_router.dart
index cc7774ac..1f6eaa11 100644
--- a/frontend/mining-app/lib/core/router/app_router.dart
+++ b/frontend/mining-app/lib/core/router/app_router.dart
@@ -1,4 +1,3 @@
-import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
@@ -14,7 +13,6 @@ import '../../presentation/pages/asset/asset_page.dart';
 import '../../presentation/pages/profile/profile_page.dart';
 import '../../presentation/widgets/main_shell.dart';
 import '../../presentation/providers/user_providers.dart';
-import '../network/api_client.dart';
 import 'routes.dart';
 
 /// 不需要登录就能访问的公开路由
@@ -28,15 +26,6 @@ const _publicRoutes = {
 /// 路由刷新通知器，用于在登录状态变化时刷新路由
 class AuthNotifier extends ChangeNotifier {
   bool _isLoggedIn = false;
-  StreamSubscription<void>? _unauthorizedSubscription;
-
-  AuthNotifier() {
-    // 监听 401 未授权事件
-    _unauthorizedSubscription = AuthEventBus().onUnauthorized.listen((_) {
-      _isLoggedIn = false;
-      notifyListeners();
-    });
-  }
 
   bool get isLoggedIn => _isLoggedIn;
 
@@ -46,12 +35,6 @@ class AuthNotifier extends ChangeNotifier {
       notifyListeners();
     }
   }
-
-  @override
-  void dispose() {
-    _unauthorizedSubscription?.cancel();
-    super.dispose();
-  }
 }
 
 final authNotifierProvider = ChangeNotifierProvider<AuthNotifier>((ref) {