diff --git a/frontend/mobile-app/lib/features/home/presentation/pages/home_shell_page.dart b/frontend/mobile-app/lib/features/home/presentation/pages/home_shell_page.dart
index b16e4172..56e9fc32 100644
--- a/frontend/mobile-app/lib/features/home/presentation/pages/home_shell_page.dart
+++ b/frontend/mobile-app/lib/features/home/presentation/pages/home_shell_page.dart
@@ -81,7 +81,7 @@ class _HomeShellPageState extends ConsumerState<HomeShellPage>
     }
   }
 
-  /// 启动维护状态定时检查（随机 3-6 秒检查一次）
+  /// 启动维护状态定时检查（随机 30-60 秒检查一次）
   void _startMaintenanceCheck() {
     _scheduleNextMaintenanceCheck();
   }
@@ -89,8 +89,8 @@ class _HomeShellPageState extends ConsumerState<HomeShellPage>
   /// 安排下一次维护检查
   void _scheduleNextMaintenanceCheck() {
     _maintenanceCheckTimer?.cancel();
-    // 随机 3-6 秒
-    final randomSeconds = 3 + Random().nextInt(4); // 3 + 0~3 = 3~6
+    // 随机 30-60 秒，平衡及时性和服务器压力
+    final randomSeconds = 30 + Random().nextInt(31); // 30 + 0~30 = 30~60
     _maintenanceCheckTimer = Timer(Duration(seconds: randomSeconds), () async {
       await _checkMaintenanceStatus();
       // 检查完成后安排下一次检查