diff --git a/docs/index.html b/docs/index.html
index e5c0d13..9a2d791 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -3,8 +3,9 @@
 <head>
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<title>chsrc 全平台通用换源工具与框架 | Change Source everywhere for every software</title>
-	<link rel="stylesheet" type="text/css" href="index_html.css?h=06a8a6cc">
+	<title>chsrc &#20840;&#24179;&#21488;&#36890;&#29992;&#25442;&#28304;&#24037;&#20855;&#19982;&#26694;&#26550; | Change Source everywhere for every software</title>
+	<meta name="keywords" content="chsrc,&#25442;&#28304;,linux,windows,macOS,npm,pip,yarn,brew,ubuntu,debian,cpan,fedora,gem,composer,cargo,maven,bsd" />
+	<link rel="stylesheet" type="text/css" href="index_html.css?h=19caec86">
 </head>
 <body>
 <div class="textstyle1">
