diff --git a/psdc-ui/index.html b/psdc-ui/index.html
index 445e30e..29bb540 100644
--- a/psdc-ui/index.html
+++ b/psdc-ui/index.html
@@ -7,7 +7,7 @@
   <meta name="renderer" content="webkit">
   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
   <link rel="icon" href="/favicon.ico">
-  <title>电能替代分布式控制试验平台</title>
+  <title>密钥管理</title>
   <!--[if lt IE 11]><script>window.location.href='/html/ie.html';</script><![endif]-->
   <style>
     html,