diff --git a/app/api/logic/CouponLogic.php b/app/api/logic/CouponLogic.php
index 7b30d2a..bfc7a2b 100644
--- a/app/api/logic/CouponLogic.php
+++ b/app/api/logic/CouponLogic.php
@@ -304,7 +304,7 @@ class CouponLogic{
                 ->column('gi.*,g.is_member','gi.id');
 
             //会员折扣价格
-            $level_discount = Db::name('user u')
+            $level_discount = Db::name('user')->alias('u')
                 ->join('user_level l', 'u.level = l.id')
                 ->where('u.id', $user_id)
                 ->value('discount');