1.优化通知显示

lib/dialog/global_dialog/notification_setting_dialog/notification_setting_dialog.dart

@@ -33,9 +33,7 @@ class NotificationSettingDialog extends StatelessWidget {
 
         PermissionStatus status = await Permission.notification.status;
         if (status != PermissionStatus.granted) {
-          return await showCupertinoDialog(
-              context: context, builder: (_) => NotificationSettingDialog(model));
-
+          await Permission.notification.request();
         }
       }
     }