diff --git a/README.md b/README.md
index a10c9c4..d7feea4 100644
--- a/README.md
+++ b/README.md
@@ -38,16 +38,16 @@
 
 ![](http://pr68a1oh5.bkt.clouddn.com/weixin-guanggu-coder.jpg)
 
+## 关注微信公众号 (guanggu-coder)
+
+![](weixin-guanggu-coder.jpg)
+
 ## 开发者头条号
 
 https://toutiao.io/subjects/318517
 
 ![](toutiao-318517-small.jpg)
 
-## 关注微信公众号 (golang-china)
-
-![](weixin-golang-china.jpg)
-
 
 ## 版权声明
 
diff --git a/preface.md b/preface.md
index 0e7c163..5cbdaf8 100644
--- a/preface.md
+++ b/preface.md
@@ -17,9 +17,10 @@
 
 ![](https://chai2010.cn/static-images/weixin-guanggu-coder-qun.jpg)
 
-## 关注微信公众号(golang-china)
+## 关注微信公众号 (guanggu-coder)
+
+![](weixin-guanggu-coder.jpg)
 
-![](weixin-golang-china.jpg)
 
 ## 版权声明
 
diff --git a/weixin-golang-china.jpg b/weixin-guanggu-coder.jpg
similarity index 74%
rename from weixin-golang-china.jpg
rename to weixin-guanggu-coder.jpg
index 78facdd..268e968 100644
Binary files a/weixin-golang-china.jpg and b/weixin-guanggu-coder.jpg differ