diff --git a/zh-cn/device-dev/kernel/Readme-CN.md b/zh-cn/device-dev/kernel/Readme-CN.md
index 3197acaa99c845171e4ebb7670c71e58458a3130..d24803e5af1fb41683e27885eced90781eb3e6e1 100755
--- a/zh-cn/device-dev/kernel/Readme-CN.md
+++ b/zh-cn/device-dev/kernel/Readme-CN.md
@@ -154,7 +154,6 @@
         - [网络命令](kernel-small-debug-shell-net.md)
           - [arp](kernel-small-debug-shell-net-arp.md)
           - [dhclient](kernel-small-debug-shell-net-dhclient.md)
-          - [dns](kernel-small-debug-shell-net-dns.md)
           - [ifconfig](kernel-small-debug-shell-net-ifconfig.md)
           - [ipdebug](kernel-small-debug-shell-net-ipdebug.md)
           - [netstat](kernel-small-debug-shell-net-netstat.md)