diff --git a/application/admin/controller/Order.php b/application/admin/controller/Order.php
index 546be52..4320926 100644
--- a/application/admin/controller/Order.php
+++ b/application/admin/controller/Order.php
@@ -264,6 +264,7 @@ class Order extends Backend
         if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
             $params[$this->dataLimitField] = $this->auth->id;
         }
+        sleep(2);
         $result = false;
         Db::startTrans();
         try {