diff --git a/404.html b/404.html
index aed64e6..b527d33 100644
--- a/404.html
+++ b/404.html
@@ -3,7 +3,8 @@ permalink: /404.html
 ---
 <!DOCTYPE html>
 <html>
-  {% include head.html cattitle="404" %}
+{% capture metaDesc %}您访问的资源在{{ site.title }}上未找到。{% endcapture %}
+  {% include head.html cattitle="404" metaDesc=metaDesc%}
   <body>
     {% include nav.html %}
     <div id="mirrors">
diff --git a/_includes/head.html b/_includes/head.html
index adbb856..d4106d6 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,11 +2,13 @@
 <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="{{ site.title }}，致力于为国内和校内用户提供高质量的开源软件镜像、Linux镜像源服务，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="description" content="{% if include.metaDesc %}{{ include.metaDesc }}
+{% endif %}{{ site.title }}，致力于为国内和校内用户提供高质量的开源软件镜像、Linux 镜像源服务，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,Linux,软件源,开源">
 <meta name="author" content="TUNA">
 <link rel="shortcut icon" href="/static/img/favicon.png">
-<title>{% if page.mirrorid %} {{ page.mirrorid }} |{% elsif page.title %} {{ page.title }} |{% endif %}{% if include.cattitle %} {{ include.cattitle }} |{% endif %}{% if (page.title || include.cattitle) %}{{" "}}{% endif %}{{ site.title }}{% if site.brand %} | {{ site.brand }}{% endif %}</title>
+<title>{% if page.mirrorid %} {{ page.mirrorid }} |{% elsif page.title %} {{ page.title }} |{% endif %}{% if include.cattitle %} {{ include.cattitle }} |{% endif %}{% if (page.title or include.cattitle) %}{{" "}}{% endif %}{{ site.title }}{% if site.brand %} | {{ site.brand }}{% endif %}</title>
+{% unless include.nostyle %}
 <link rel="stylesheet" href="/static/css/bootstrap.css">
 <link rel="stylesheet" href="/static/css/bootstrap-select.min.css">
 <link rel="stylesheet" href="/static/css/font-awesome.min.css" >
@@ -65,4 +67,5 @@ a.navbar-brand {
 <![endif]-->
 </style>
 {% endif %}
+{% endunless %}
 </head>
diff --git a/_layouts/help.html b/_layouts/help.html
index 2c2e475..077121b 100644
--- a/_layouts/help.html
+++ b/_layouts/help.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
-	{% include head.html cattitle="镜像站使用帮助" %}
+{% capture metaDesc %}{{ site.title }}的 {{ page.mirrorid }} 使用帮助。{% endcapture %}
+	{% include head.html cattitle="镜像站使用帮助" metaDesc=metaDesc %}
 <body>
 	{% include nav.html %}
 
diff --git a/_layouts/news.html b/_layouts/news.html
index 9d5d4f3..cb81c3f 100644
--- a/_layouts/news.html
+++ b/_layouts/news.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
-	{% include head.html cattitle="镜像站新闻"%}
+{% capture metaDesc %}{{ site.title }}{{ page.title }}。{% endcapture %}
+	{% include head.html cattitle="镜像站新闻" metaDesc=metaDesc %}
 <body>
 	{% include nav.html %}
 
diff --git a/fancy-index/before-legacy.html b/fancy-index/before-legacy.html
index 02fe9cf..9759bd9 100644
--- a/fancy-index/before-legacy.html
+++ b/fancy-index/before-legacy.html
@@ -1,12 +1,12 @@
 ---
 permalink: /fancy-index/before-legacy.html
+title: Index of {{url}}
+legacy: true
 ---
 <!DOCTYPE html>
 <html>
-	<head>
-		<meta http-equiv="content-type" content="text/html; charset=utf-8">
-		<title>Index of {% raw %}{{url}}{% endraw %} | {{ site.title }}{% if site.brand %} | {{ site.brand }}{% endif %}</title>
-	</head>
+{% capture metaDesc %}Index of {% raw %}{{url}}{% endraw %}{% endcapture %}
+	{% include head.html metaDesc=metaDesc nostyle="true"%}
 	<body>
 	<h1>Index of
 <!--
diff --git a/fancy-index/before.html b/fancy-index/before.html
index 721242a..15c123a 100644
--- a/fancy-index/before.html
+++ b/fancy-index/before.html
@@ -4,7 +4,8 @@ title: Index of {{url}}
 ---
 <!DOCTYPE html>
 <html>
-	{% include head.html %}
+{% capture metaDesc %}Index of {% raw %}{{url}}{% endraw %}{% endcapture %}
+	{% include head.html metaDesc=metaDesc%}
 	<body>
 		{% include nav.html %}
 
diff --git a/news.html b/news.html
index d59baa4..d324d31 100644
--- a/news.html
+++ b/news.html
@@ -4,7 +4,8 @@ title: 镜像站新闻
 ---
 <!DOCTYPE html>
 <html>
-	{% include head.html %}
+{% capture metaDesc %}{{ site.title }}的新闻。{% endcapture %}
+	{% include head.html metaDesc=metaDesc %}
 <body>
 	{% include nav.html %}
 
diff --git a/status.html b/status.html
index 5851cb9..663db86 100644
--- a/status.html
+++ b/status.html
@@ -3,7 +3,8 @@ permalink: /status/
 ---
 <!DOCTYPE html>
 <html>
-	{% include head.html %}
+{% capture metaDesc %}{{ site.title }}的监控，包括网络流量、磁盘状态、磁盘占用和 CPU 与内存的使用情况，以及各个镜像的同步状态。{% endcapture %}
+	{% include head.html metaDesc=metaDesc %}
 <body>
 	{% include nav.html %}
 	<div id="status-page">
