diff --git a/README.md b/README.md
index fc099f37..47a7ec2b 100644
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+++ b/README.md
@@ -206,9 +206,9 @@
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 | AcFun | B站 |
-| <a title="AcFun（机器学习视频）" href="http://www.acfun.cn/u/12540256.aspx#page=1" target="_blank"><img width="290" src="img/MainPage/ApacheCN-ML-AcFun.jpg"></a> | <a title="bilibili（机器学习视频）" href="https://space.bilibili.com/97678687/#!/channel/index" target="_blank"><img width="290" src="img/MainPage/ApacheCN-ML-bilibili.jpg"></a> |
+| <a title="AcFun（机器学习视频）" href="http://www.acfun.cn/u/12540256.aspx#page=1" target="_blank"><img width="290" src="http://data.apachecn.org/img/AiLearning/MainPage/ApacheCN-ML-AcFun.jpg"></a> | <a title="bilibili（机器学习视频）" href="https://space.bilibili.com/97678687/#!/channel/index" target="_blank"><img width="290" src="http://data.apachecn.org/img/AiLearning/MainPage/ApacheCN-ML-bilibili.jpg"></a> |
 | 优酷 | 网易云课堂 |
-| <a title="YouKu（机器学习视频）" href="http://i.youku.com/apachecn" target="_blank"><img width="290" src="img/MainPage/ApacheCM-ML-youku.jpg"></a> | <a title="WangYiYunKeTang（机器学习视频）" href="http://study.163.com/course/courseMain.htm?courseId=1004582003" target="_blank"><img width="290" src="img/MainPage/ApacheCM-ML-WangYiYunKeTang.png"></a> |
+| <a title="YouKu（机器学习视频）" href="http://i.youku.com/apachecn" target="_blank"><img width="290" src="http://data.apachecn.org/img/AiLearning/MainPage/ApacheCM-ML-youku.jpg"></a> | <a title="WangYiYunKeTang（机器学习视频）" href="http://study.163.com/course/courseMain.htm?courseId=1004582003" target="_blank"><img width="290" src="http://data.apachecn.org/img/AiLearning/MainPage/ApacheCM-ML-WangYiYunKeTang.png"></a> |
 
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