diff --git a/app/api/controller/food/User.php b/app/api/controller/food/User.php
index 62969a6..49b6c8f 100644
--- a/app/api/controller/food/User.php
+++ b/app/api/controller/food/User.php
@@ -199,7 +199,7 @@ class User extends Controller
         if (empty($get['code'])) {
             return $this->renderError('授权失败');
         }
-        $coupon_id = $get['coupon_id'] ?? '';
+        $coupon_id = $_GET['coupon_id'] ?? '';
 
         write_log($coupon_id, __DIR__);