diff --git a/study/kernel/01-process/05-schedule/04-cfs/01-cfs/README.md b/study/kernel/01-process/05-schedule/04-cfs/01-cfs/README.md
index 0127e48..e68900e 100644
--- a/study/kernel/01-process/05-schedule/04-cfs/01-cfs/README.md
+++ b/study/kernel/01-process/05-schedule/04-cfs/01-cfs/README.md
@@ -305,3 +305,5 @@ http://blog.chinaunix.net/uid-24757773-id-3266304.html
 http://blog.csdn.net/melong100/article/details/6329201
 http://blog.csdn.net/wudongxu/article/details/8574737
 
+http://blog.csdn.net/arriod/article/details/7033895
+