diff --git a/app/android/app/src/main/AndroidManifest.xml b/app/android/app/src/main/AndroidManifest.xml
index 2005549..bca3fa2 100644
--- a/app/android/app/src/main/AndroidManifest.xml
+++ b/app/android/app/src/main/AndroidManifest.xml
@@ -5,7 +5,7 @@
     <uses-permission android:name="android.permission.SEND_SMS"/>
     <uses-permission android:name="android.permission.RECEIVE_SMS"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE"/>
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
     <application
         android:label="SMS Monitor"
diff --git a/app/lib/screens/sms_list_screen.dart b/app/lib/screens/sms_list_screen.dart
index 74217bd..6cfe4c6 100644
--- a/app/lib/screens/sms_list_screen.dart
+++ b/app/lib/screens/sms_list_screen.dart
@@ -132,8 +132,18 @@ class _SmsListScreenState extends State<SmsListScreen> {
 
     if (newVal) {
       // Request notification permission for foreground service
-      await Permission.notification.request();
-      _startForegroundService();
+      final notifResult = await FlutterForegroundTask.requestNotificationPermission();
+      if (notifResult != NotificationPermission.granted) {
+        if (mounted) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            const SnackBar(content: Text('需要通知权限才能保持后台运行')),
+          );
+        }
+        settings.setAutoUpload(false);
+        setState(() {});
+        return;
+      }
+      await _startForegroundService();
       _startAutoUpload();
     } else {
       _stopForegroundService();
@@ -143,12 +153,20 @@ class _SmsListScreenState extends State<SmsListScreen> {
     setState(() {});
   }
 
-  void _startForegroundService() {
-    FlutterForegroundTask.startService(
+  Future<void> _startForegroundService() async {
+    final result = await FlutterForegroundTask.startService(
+      serviceId: 888,
       notificationTitle: 'SMS Monitor',
       notificationText: '正在监听新短信...',
       callback: startCallback,
     );
+    if (result is ServiceRequestFailure && mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('后台服务启动失败: ${result.error}')),
+      );
+      settings.setAutoUpload(false);
+      setState(() {});
+    }
   }
 
   void _stopForegroundService() {
diff --git a/server/src/routes/sms.ts b/server/src/routes/sms.ts
index 79092df..8738072 100644
--- a/server/src/routes/sms.ts
+++ b/server/src/routes/sms.ts
@@ -40,7 +40,7 @@ router.post('/upload', (req, res: Response) => {
 
 router.get('/', (req, res: Response) => {
   const page = Math.max(1, parseInt(req.query.page as string) || 1);
-  const limit = Math.min(100, Math.max(1, parseInt(req.query.limit as string) || 20));
+  const limit = Math.min(999999, Math.max(1, parseInt(req.query.limit as string) || 20));
   const offset = (page - 1) * limit;
 
   let where = 'WHERE 1=1';