diff --git a/src/applet/app/controllers/AliCallBackController.php b/src/applet/app/controllers/AliCallBackController.php
index c163acd..f013bcb 100644
--- a/src/applet/app/controllers/AliCallBackController.php
+++ b/src/applet/app/controllers/AliCallBackController.php
@@ -136,7 +136,7 @@ class AliCallBackController extends \Phalcon\Mvc\Controller
                 // 修改 / 新增`自营-学校-订单表`数据
                 $out_order_no = $biz_content["out_order_no"] ?? "";
                 $model          = SelfSupportForSchoolOrd::findFirst("out_order_no = '$out_order_no'");
-                if (empty($res)) {
+                if (empty($model)) {
                     $model                          = new SelfSupportForSchoolOrd();
                 }
                 $model->enterprise_id           = $userIdentity->enterprise_id;