diff --git a/_includes/head.html b/_includes/head.html
index 647e375..454e339 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,8 +2,9 @@
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<meta name="description" content="">
-<meta name="author" content="">
+<meta name="description" content="清华大学开源镜像站，致力于为国内和校内用户提供高质量的开源软件镜像服务，帮助用户更方便地获取开源软件。本镜像站由清华大学TUNA团队负责维护。">
+<meta name="keywords" content="镜像站,镜像源,清华,Linux,软件源,开源">
+<meta name="author" content="TUNA">
 <link rel="shortcut icon" href="/static/img/favicon.png">
 <title>清华大学 TUNA 镜像源</title>
 <link rel="stylesheet" href="/static/css/bootstrap.css">