diff --git a/zh-cn/device-dev/kernel/Readme-CN.md b/zh-cn/device-dev/kernel/Readme-CN.md
index b6d3f52f72390b40dd4a14e8147d777dc502e5b2..4c4d3321fe06193d07094d9698de34c5251abe61 100755
--- a/zh-cn/device-dev/kernel/Readme-CN.md
+++ b/zh-cn/device-dev/kernel/Readme-CN.md
@@ -178,8 +178,7 @@
         - [开发板Patch使用指导](kernel-standard-patch.md)
         - [Linux内核编译与构建指导](kernel-standard-build.md)
         - [内核增强特性](kernel-standard-enhanced-features.md)
-            - [内存管理](kernel-standard-mm.md)
-                - [Enhanced SWAP特性介绍](kernel-standard-mm-eswap.md)
+            - [Enhanced SWAP特性介绍](kernel-standard-mm-eswap.md)
             - [任务调度](kernel-standard-sched.md)
                 - [关联线程组调度](kernel-standard-sched-rtg.md)
                 - [CPU轻量级隔离](kernel-standard-sched-cpuisolation.md)