diff --git a/www/index.html b/www/index.html
index e6c85ea..e7e0c7b 100644
--- a/www/index.html
+++ b/www/index.html
@@ -17,7 +17,7 @@
     <link href="img/favicon.png" rel="shortcut icon" type="image/x-icon" />
     <link href="img/favicon.png" rel="apple-touch-icon" />
 
-    <title>vis</title>
+    <title>云控可视化</title>
 
     <link rel="stylesheet" type="text/css" href="lib/css/jquery.multiselect-1.13.css" />