权限设置，按钮状态异常修复；

lib/setting/permission_setting_page.dart

@@ -15,14 +15,20 @@ class PermissionSettingPage extends StatefulWidget {
   }
 }
 
-class _PermissionSettingPage extends State<PermissionSettingPage> {
+class _PermissionSettingPage extends State<PermissionSettingPage> with WidgetsBindingObserver {
   @override
   void initState() {
     super.initState();
-
+    WidgetsBinding.instance.addObserver(this);
     queryPermission();
   }
 
+  @override
+  void dispose() {
+    super.dispose();
+    WidgetsBinding.instance.removeObserver(this);
+  }
+
   List<String> title = [
     S.current.dingwei,
     S.current.tongzhi,
@@ -75,14 +81,24 @@ class _PermissionSettingPage extends State<PermissionSettingPage> {
   ];
 
   queryPermission() async {
-    await permissions.forEach((element) async {
-      if (await element.isGranted) {
-        permissionSwitch[element] = true;
+    for(var it in permissions){
+      if (await it.isGranted) {
+        permissionSwitch[it] = true;
       }
-    });
+    }
     setState(() {});
   }
 
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) {
+      // 处理应用程序切换回前台的逻辑
+      queryPermission();
+    } else if (state == AppLifecycleState.paused) {
+      // 处理应用程序切换到后台的逻辑
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(