diff --git a/zh-cn/device-dev/subsystems/Readme-CN.md b/zh-cn/device-dev/subsystems/Readme-CN.md
index 9f7d8e47a86f06a2ec8df38a2142c70614251a1c..362f3b60dca21f0ef6b037e0fcf37ca331940fbc 100644
--- a/zh-cn/device-dev/subsystems/Readme-CN.md
+++ b/zh-cn/device-dev/subsystems/Readme-CN.md
@@ -110,5 +110,5 @@
     - [Hiview开发指导](subsys-dfx-hiview.md)
 - 调测工具
     - [bytrace使用指导](subsys-toolchain-bytrace-guide.md)
-    - [hdc_std使用指导](subsys-toolchain-hdc-guide.md)
+    - [hdc使用指导](subsys-toolchain-hdc-guide.md)
     - [hiperf使用指导](subsys-toolchain-hiperf.md)