diff --git a/README.md b/README.md
index 102f845..d86dcf9 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ The GoProxy is a high-performance http proxy, https proxy, socks5 proxy, ss prox
 ## 赞助者/Sponsors
 
 <a target="_blank" href="https://www.capsolver.com/zh?utm_source=github&utm_medium=banner_github&utm_campaign=goproxy">
-<img src="/doc/images/zanzhu_capsolver.jpg.jpg" height="300">
+<img src="/doc/images/zanzhu_capsolver.jpg" height="300">
 </a>
 
 [Capsolver.com](https://www.capsolver.com/zh?utm_source=github&utm_medium=banner_github&utm_campaign=goproxy)是一家基于人工智能，提供自动验证码解决功能的服务商。
diff --git a/README_ZH.md b/README_ZH.md
index 7027789..6983b6e 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -16,7 +16,7 @@ GoProxy是一款轻量级、功能强大、高性能的http代理、https代理
 ## 赞助者/Sponsors
 
 <a target="_blank" href="https://www.capsolver.com/zh?utm_source=github&utm_medium=banner_github&utm_campaign=goproxy">
-<img src="/doc/images/zanzhu_capsolver.jpg.jpg" height="300">
+<img src="/doc/images/zanzhu_capsolver.jpg" height="300">
 </a>
 
 [Capsolver.com](https://www.capsolver.com/zh?utm_source=github&utm_medium=banner_github&utm_campaign=goproxy)是一家基于人工智能，提供自动验证码解决功能的服务商。
diff --git a/docs/sitemap.xml b/docs/sitemap.xml
index 26b0c0f..c1fad7b 100644
--- a/docs/sitemap.xml
+++ b/docs/sitemap.xml
@@ -18,31 +18,31 @@
   </url>
   
   <url>
-    <loc>https://snail007.goproxyauth.com/goproxy/tags/cdn/</loc>
+    <loc>https://snail007.goproxyauth.com/goproxy/categories/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
-    <loc>https://snail007.goproxyauth.com/goproxy/categories/</loc>
+    <loc>https://snail007.goproxyauth.com/goproxy/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
-    <loc>https://snail007.goproxyauth.com/goproxy/</loc>
+    <loc>https://snail007.goproxyauth.com/goproxy/posts/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
-    <loc>https://snail007.goproxyauth.com/goproxy/posts/</loc>
+    <loc>https://snail007.goproxyauth.com/goproxy/tags/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
-    <loc>https://snail007.goproxyauth.com/goproxy/tags/</loc>
+    <loc>https://snail007.goproxyauth.com/goproxy/tags/cdn/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
     <priority>0</priority>
   </url>
diff --git a/docs/tags/cdn/index.html b/docs/tags/cdn/index.html
index 2e619ce..921a8b2 100644
--- a/docs/tags/cdn/index.html
+++ b/docs/tags/cdn/index.html
@@ -14,7 +14,7 @@
     <link href="//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css" rel="stylesheet">
     <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4/styles/solarized_dark.min.css">
-    <title>CDN - GOPROXY IN ACTION</title>
+    <title>cdn - GOPROXY IN ACTION</title>
     
     <link href="https://snail007.goproxyauth.com/goproxy/css/styles.css" rel="stylesheet">
     
@@ -77,7 +77,7 @@
 
     
     <header class="page-header">
-      <h1>CDN</h1>
+      <h1>cdn</h1>
     </header>
     
 
diff --git a/docs/tags/cdn/index.xml b/docs/tags/cdn/index.xml
index 277430e..b6365bc 100644
--- a/docs/tags/cdn/index.xml
+++ b/docs/tags/cdn/index.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
-    <title>CDN on GOPROXY IN ACTION</title>
+    <title>cdn on GOPROXY IN ACTION</title>
     <link>https://snail007.goproxyauth.com/goproxy/tags/cdn/</link>
-    <description>Recent content in CDN on GOPROXY IN ACTION</description>
+    <description>Recent content in cdn on GOPROXY IN ACTION</description>
     <generator>Hugo -- gohugo.io</generator>
     <language>zh-CN</language>
     <lastBuildDate>Fri, 05 Jul 2019 08:20:48 +0800</lastBuildDate>
diff --git a/docs/tags/index.xml b/docs/tags/index.xml
index 7d5472a..e06ddc2 100644
--- a/docs/tags/index.xml
+++ b/docs/tags/index.xml
@@ -12,7 +12,7 @@
     
     
     <item>
-      <title>CDN</title>
+      <title>cdn</title>
       <link>https://snail007.goproxyauth.com/goproxy/tags/cdn/</link>
       <pubDate>Fri, 05 Jul 2019 08:20:48 +0800</pubDate>