.

frontend/mobile-app/lib/features/auth/presentation/pages/guide_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:go_router/go_router.dart';
@@ -86,6 +87,11 @@ class _GuidePageState extends ConsumerState<GuidePage> {
     context.go(RoutePaths.onboarding);
   }
 
+  /// 退出应用
+  void _exitApp() {
+    SystemNavigator.pop();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -213,7 +219,7 @@ class _GuidePageState extends ConsumerState<GuidePage> {
   Widget _buildWelcomePage() {
     return _WelcomePageContent(
       onNext: _goToOnboarding,
-      onExit: _goToOnboarding, // 退出也跳转到 onboarding
+      onExit: _exitApp, // 退出整个应用
     );
   }