diff --git a/zh-cn/device-dev/website.md b/zh-cn/device-dev/website.md
index f58f63cb03c7c9632ceaf82b493160e5e183e829..109412d30ca85e7cde9ef6a8675bd68e168c3489 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