update zh-cn/device-dev/kernel/Readme-CN.md.

Signed-off-by: NAustin <liaozhiqi7@huawei.com>

zh-cn/device-dev/kernel/Readme-CN.md

@@ -21,11 +21,11 @@
             - [C++支持](kernel-mini-extend-support.md)
             - [CPU占用率](kernel-mini-extend-cpup.md)
             - [动态加载](kernel-mini-extend-dynamic-loading.md)
-            - [文件系统](kernel-mini-extend-file.md)
+            - 文件系统
                 - [FAT](kernel-mini-extend-file-fat.md)
                 - [LittleFS](kernel-mini-extend-file-lit.md)
         - 内核调测
-            - [内存调测](kernel-mini-memory-debug.md)
+            - 内存调测
                 - [内存信息统计](kernel-mini-memory-debug-mes.md)
                 - [内存泄漏检测](kernel-mini-memory-debug-det.md)
                 - [踩内存检测](kernel-mini-memory-debug-cet.md)
@@ -70,7 +70,7 @@
             - [动态加载与链接](kernel-small-bundles-linking.md)
             - [虚拟动态共享库](kernel-small-bundles-share.md)
             - [轻量级进程间通信](kernel-small-bundles-ipc.md)
-            - [文件系统](kernel-small-bundles-fs.md)
+            - 文件系统
                 - [虚拟文件系统](kernel-small-bundles-fs-virtual.md)
                 - 支持的文件系统
                     - [FAT](kernel-small-bundles-fs-support-fat.md)
@@ -176,8 +176,8 @@
         - [Linux内核概述](kernel-standard-overview.md)
         - [OpenHarmony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)
+        - 内核增强特性
           - [Enhanced SWAP特性介绍](kernel-standard-mm-eswap.md)
-          - [任务调度](kernel-standard-sched.md)
+          - 任务调度
             - [关联线程组调度](kernel-standard-sched-rtg.md)
             - [CPU轻量级隔离](kernel-standard-sched-cpuisolation.md)