diff --git a/README.md b/README.md
index 611fbb0..4b7696e 100644
--- a/README.md
+++ b/README.md
@@ -127,7 +127,7 @@ ShareManager.share(MainActivity.this，
 
 ```   
 
-#### 3. 判断本机是否安装微博、微信  
+#### 3. 判断本机是否安装第三方客户端  
 ```JAVA
 ShareBlock.isWeiXinInstalled(this);
 ShareBlock.isWeiBoInstalled(this);
diff --git a/screenshot/login.png b/screenshot/login.png
index c1ccd38..828178c 100644
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diff --git a/screenshot/share.png b/screenshot/share.png
index 46b7a3e..1cc198d 100644
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