+ Add no-referrer.

module/common/view/header.lite.html.php

@@ -16,6 +16,7 @@ $onlybody     = zget($_GET, 'onlybody', 'no');
   <meta http-equiv='X-UA-Compatible' content='IE=edge'>
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="renderer" content="webkit">
+  <meta name="referrer" content="no-referrer">
   <?php
   echo html::title($title . ' - ' . $lang->zentaoPMS);
   js::exportConfigVars();
@@ -92,4 +93,4 @@ if(file_exists($xuanExtFile)) include $xuanExtFile;
   <style>
     .main-actions-holder {display: none !important;}
   </style>
-<?php endif;?>
+<?php endif;?>