diff --git a/Course/jitpack-javadoc.md b/Course/jitpack-javadoc.md
index 0adc2dd..bf7176d 100644
--- a/Course/jitpack-javadoc.md
+++ b/Course/jitpack-javadoc.md
@@ -99,3 +99,5 @@ artifacts {
 
 例如我的一个开源库： https://jitpack.io/com/github/GcsSloop/ViewSupport/v1.2.2/javadoc/
 
+在线API文档样式：
+![](http://ww1.sinaimg.cn/large/005Xtdi2jw1f7o8gabelfj31400mbjy0.jpg)
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