diff --git a/app/api/controller/food/User.php b/app/api/controller/food/User.php
index e556320..62902c5 100644
--- a/app/api/controller/food/User.php
+++ b/app/api/controller/food/User.php
@@ -136,7 +136,7 @@ class User extends Controller
     {
         $post = $_GET;
 
-        if (empty($post['openid']) && empty($post['coupon_id'])) {
+        if (!isset($post['openid']) && !isset($post['coupon_id'])) {
             return $this->renderSuccess([], '成功');
         }
         $where = [];