diff --git a/app/data/service/UserUpgradeService.php b/app/data/service/UserUpgradeService.php
index 11454da2c..9a0042481 100644
--- a/app/data/service/UserUpgradeService.php
+++ b/app/data/service/UserUpgradeService.php
@@ -134,6 +134,6 @@ class UserUpgradeService extends Service
         if ($user['vip_code'] < $vipCode) $this->app->event->trigger('UserUpgradeLevel', [
             'uid' => $user['id'], 'order_no' => $orderNo, 'vip_code_old' => $user['vip_code'], 'vip_code_new' => $vipCode,
         ]);
-        return ($parent && $user['pid1'] > 0) ? $this->upgrade($user['pid1'], false) : true;
+        return !($parent && $user['pid1'] > 0) || $this->upgrade($user['pid1'], false);
     }
 }
\ No newline at end of file