diff --git a/xCAT-UI/lib/zCmd.php b/xCAT-UI/lib/zCmd.php
index c77f4b5fe..67839b288 100644
--- a/xCAT-UI/lib/zCmd.php
+++ b/xCAT-UI/lib/zCmd.php
@@ -156,4 +156,4 @@ if (isset($_GET["cmd"])) {
     $rtn = array("rsp" => $rsp, "msg" => $msg);
     echo json_encode($rtn);
 }
-?>
\ No newline at end of file
+?>