1.优化权限获取显示

lib/dialog/global_dialog/notification_setting_dialog/notification_setting_dialog.dart

@@ -33,17 +33,18 @@ class NotificationSettingDialog extends StatelessWidget {
           await Permission.notification.request();
           if (await Permission.notification.isDenied) {
             var packageInfo = await PackageInfo.fromPlatform();
-            await showDialog(
+            var result = await showDialog(
                 context: context,
                 child: TipDialog(
                   btnText: "去打开",
                   content: "系统检查到您还未开启通知权限，可通过以下指引打开通知权限\n 设置 -> 应用管理 -> " + (packageInfo?.appName ?? "") + " -> 通知管理",
                 ));
-
-            if (Platform.isAndroid) {
-              NativeUtil.openAppSettings();
-            } else {
-              openAppSettings();
+            if (result != null && result) {
+              if (Platform.isAndroid) {
+                NativeUtil.openAppSettings();
+              } else {
+                openAppSettings();
+              }
             }
           }
         }