diff --git a/README.md b/README.md
index 42e9a51..99acc91 100644
--- a/README.md
+++ b/README.md
@@ -314,7 +314,7 @@ http {
 
 Nginx 提供了多种负载均衡策略，让我们来一一了解一下：
 
-负载均衡策略在各种分布式系统中基本上原理一致，对于原理有兴趣，不妨参考 [负载均衡](https://dunwu.github.io/blog/design/theory/load-balance-theory/)
+负载均衡策略在各种分布式系统中基本上原理一致，对于原理有兴趣，不妨参考 [负载均衡](https://dunwu.github.io/blog/pages/98a1c1/)
 
 ##### 轮询
 
diff --git a/docs/coverpage.md b/docs/coverpage.md
index 9035e97..5a26471 100644
--- a/docs/coverpage.md
+++ b/docs/coverpage.md
@@ -1,4 +1,4 @@
-<div align="center"><img width="100px" src="https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo-200.png" /></div>
+<div align="center"><img width="100px" src="https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo.png" /></div>
 
 # nginx-tutorial
 
diff --git a/docs/index.html b/docs/index.html
index 9f3197b..c151400 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -9,7 +9,7 @@
       content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
       name="viewport"
     />
-    <link href="https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo-200.png" rel="icon" type="image/x-icon" />
+    <link href="https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo.png" rel="icon" type="image/x-icon" />
     <link href="//unpkg.com/docsify/lib/themes/vue.css" rel="stylesheet" />
     <link href="//unpkg.com/gitalk/dist/gitalk.css" rel="stylesheet" />
     <canvas
@@ -88,7 +88,7 @@
       window.$docsify = {
         name: 'Nginx Tutorial',
         repo: 'https://github.com/dunwu/nginx-tutorial',
-        logo: 'https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo-200.png',
+        logo: 'https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo.png',
         themeColor: '#6190E8',
         auto2top: true,
         coverpage: 'coverpage.md',
diff --git a/docs/nginx-quickstart.md b/docs/nginx-quickstart.md
index 320c13a..ea499d6 100644
--- a/docs/nginx-quickstart.md
+++ b/docs/nginx-quickstart.md
@@ -314,7 +314,7 @@ http {
 
 Nginx 提供了多种负载均衡策略，让我们来一一了解一下：
 
-负载均衡策略在各种分布式系统中基本上原理一致，对于原理有兴趣，不妨参考 [负载均衡](https://dunwu.github.io/blog/design/theory/load-balance-theory/)
+负载均衡策略在各种分布式系统中基本上原理一致，对于原理有兴趣，不妨参考 [负载均衡](https://dunwu.github.io/blog/pages/98a1c1/)
 
 ##### 轮询