diff --git a/app/api/controller/food/User.php b/app/api/controller/food/User.php
index 5d47f83..c68f924 100644
--- a/app/api/controller/food/User.php
+++ b/app/api/controller/food/User.php
@@ -135,11 +135,14 @@ class User extends Controller
     public function getWxUserCoupon()
     {
         $post = $_GET;
-        $where = [];
-        if (!empty($post['openid'])) {
-            $where['openid'] = $post['openid'];
-            $openid = $post['openid'];
+
+        if (empty($post['openid'])) {
+            return $this->renderError('openid错误');
+
         }
+        $where = [];
+        $where['openid'] = $post['openid'];
+        $openid = $post['openid'];
 
         if (!empty($post['coupon_id'])) {
             $where['coupon_user_id'] = $post['coupon_id'];