diff --git a/zh-cn/device-dev/website.md b/zh-cn/device-dev/website.md
index 5a3906b2e8355b14d365fad31b77f3349a837913..7bee04b9f30a1a0dac7f6bef59de5e6de9826bd8 100644
--- a/zh-cn/device-dev/website.md
+++ b/zh-cn/device-dev/website.md
@@ -155,6 +155,7 @@
 - 子系统开发
 
   -  内核
+     - [内核概述](kernel/kernel-overview.md)
      - 轻量系统内核（LiteOS-M）
        - [轻量系统内核概述](kernel/kernel-mini-overview.md)
        - 基础内核