diff --git a/docs/page/free_vs_commercial_en/index.html b/docs/page/free_vs_commercial_en/index.html
index 2e42bd0..1c9d58b 100644
--- a/docs/page/free_vs_commercial_en/index.html
+++ b/docs/page/free_vs_commercial_en/index.html
@@ -363,21 +363,9 @@ If the system finds that the user maliciously propagates its own ‘authoriz
 
 <p>Buy the commercial version, please email to : arraykeys@gmail.com or telegram : arraykeys .</p>
 
-<p>BTC and ETH are accepted.</p>
+<p>USTD-TRC20 is accepted.</p>
 
-<p>BTC  ADDRESS: <code>1BJcBhGhREiz1q3VTYoiVPuAZy5PGxRG9z</code></p>
-
-<figure>
-  <img css="width:150px;" src="https://snail007.host900.com/goproxy/img/btc.png" alt="GOPROXY Free Version VS Commercial Version img/btc.png">
-  
-</figure>
-
-<p>ETH  ADDRESS: <code>0x0fA4c567768d2E59E6221152EA52F4842866AFC8</code></p>
-
-<figure>
-  <img css="width:150px;" src="https://snail007.host900.com/goproxy/img/eth.png" alt="GOPROXY Free Version VS Commercial Version img/eth.png">
-  
-</figure>
+<p>USTD-TRC20: <code>THsgQrG6M31YDY4fWkNTv1LbhiAqzfvxFA</code></p>
 
 <h4 id="commercial-edition-trial">Commercial Edition Trial</h4>
 
diff --git a/docs/sitemap.xml b/docs/sitemap.xml
index 9facd59..5ae94c9 100644
--- a/docs/sitemap.xml
+++ b/docs/sitemap.xml
@@ -17,12 +17,6 @@
     <lastmod>2019-06-14T16:29:13+08:00</lastmod>
   </url>
   
-  <url>
-    <loc>https://snail007.host900.com/goproxy/tags/cdn/</loc>
-    <lastmod>2019-07-05T08:20:48+08:00</lastmod>
-    <priority>0</priority>
-  </url>
-  
   <url>
     <loc>https://snail007.host900.com/goproxy/categories/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
@@ -47,6 +41,12 @@
     <priority>0</priority>
   </url>
   
+  <url>
+    <loc>https://snail007.host900.com/goproxy/tags/cdn/</loc>
+    <lastmod>2019-07-05T08:20:48+08:00</lastmod>
+    <priority>0</priority>
+  </url>
+  
   <url>
     <loc>https://snail007.host900.com/goproxy/tags/cloudflare/</loc>
     <lastmod>2019-07-05T08:20:48+08:00</lastmod>
diff --git a/docs/tags/cdn/index.html b/docs/tags/cdn/index.html
index a7beca7..e9d7646 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.host900.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 cb5d91a..ab1a975 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.host900.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 cd84ea7..311e588 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.host900.com/goproxy/tags/cdn/</link>
       <pubDate>Fri, 05 Jul 2019 08:20:48 +0800</pubDate>