修改bug

app/adminapi/logic/works/GroupServiceWorkLogic.php

@@ -482,7 +482,7 @@ class GroupServiceWorkLogic extends BaseLogic
             }
             
             if ($params['num'] > $order['num']) {
-                throw new \Exception('退款数量不能大于:'.$work->num);
+                throw new \Exception('退款数量不能大于:'.$order['num']);
             }
             die;
             //全退