diff --git a/study/kernel/01-process/05-schedule/06-periodic_scheduler/README.md b/study/kernel/01-process/05-schedule/05-periodic_scheduler/README.md
similarity index 100%
rename from study/kernel/01-process/05-schedule/06-periodic_scheduler/README.md
rename to study/kernel/01-process/05-schedule/05-periodic_scheduler/README.md
diff --git a/study/kernel/01-process/05-schedule/05-main_scheduler/README.md b/study/kernel/01-process/05-schedule/06-main_scheduler/README.md
similarity index 97%
rename from study/kernel/01-process/05-schedule/05-main_scheduler/README.md
rename to study/kernel/01-process/05-schedule/06-main_scheduler/README.md
index 8749fbf..ab0d942 100644
--- a/study/kernel/01-process/05-schedule/05-main_scheduler/README.md
+++ b/study/kernel/01-process/05-schedule/06-main_scheduler/README.md
@@ -582,5 +582,7 @@ rev->sched_class == class && rq->nr_running == rq->cfs.h_nr_running
 ##context_switch进程上下文切换
 -------
 http://abcdxyzk.github.io/blog/2014/05/22/kernel-sched-tick/
+
+
 ##need_resched与TIF_NEED_RESCHED标识
 -------
diff --git a/study/kernel/01-process/05-schedule/05-main_scheduler/__schedule.c b/study/kernel/01-process/05-schedule/06-main_scheduler/__schedule.c
similarity index 100%
rename from study/kernel/01-process/05-schedule/05-main_scheduler/__schedule.c
rename to study/kernel/01-process/05-schedule/06-main_scheduler/__schedule.c
diff --git a/study/kernel/01-process/05-schedule/05-main_scheduler/pick_next_task.c b/study/kernel/01-process/05-schedule/06-main_scheduler/pick_next_task.c
similarity index 100%
rename from study/kernel/01-process/05-schedule/05-main_scheduler/pick_next_task.c
rename to study/kernel/01-process/05-schedule/06-main_scheduler/pick_next_task.c
diff --git a/study/kernel/01-process/05-schedule/05-main_scheduler/schedule.c b/study/kernel/01-process/05-schedule/06-main_scheduler/schedule.c
similarity index 100%
rename from study/kernel/01-process/05-schedule/05-main_scheduler/schedule.c
rename to study/kernel/01-process/05-schedule/06-main_scheduler/schedule.c