1.修改通知权限开启

lib/dialog/global_dialog/notification_setting_dialog/notification_setting_dialog.dart

@@ -28,7 +28,7 @@ class NotificationSettingDialog extends StatelessWidget {
         Map<String, dynamic>.from(convert.jsonDecode(modListData));
         NotificationSettingModel model = NotificationSettingModel.fromJson(Map<String, dynamic>.from(da));
 
-        return await showCupertinoDialog(
+         await showCupertinoDialog(
             context: context, builder: (_) => NotificationSettingDialog(model));
 
         PermissionStatus status = await Permission.notification.status;