diff --git a/app/Services/BargainService.php b/app/Services/BargainService.php
index 4dbcc562..ec62fc6d 100644
--- a/app/Services/BargainService.php
+++ b/app/Services/BargainService.php
@@ -78,6 +78,10 @@ class BargainService
             throw new BizException('当前砍价已结束，无法再砍');
         }
 
+        //如果已经砍过了，不能再砍了
+        if ($order->logs()->where('user_id', $user->id)->exists()) {
+            throw new BizException('您已砍价');
+        }
 
         //执行砍价动作;
         //计算第几次砍价，并获得当前砍价金额
@@ -99,8 +103,4 @@ class BargainService
 
         return $order;
     }
-
-    public function createMallOrder(BargainOrder $order)
-    {
-    }
 }