diff --git a/zh-cn/device-dev/subsystems/subsys.md b/zh-cn/device-dev/subsystems/subsys.md
index b36d4325c6d4389ad8fe7e5c3168fec7f323292f..9cb0761bcd3d9947979827040ebcd13ec1e92ed0 100644
--- a/zh-cn/device-dev/subsystems/subsys.md
+++ b/zh-cn/device-dev/subsystems/subsys.md
@@ -12,7 +12,7 @@
 
 -   **[AI框架](subsys-aiframework.md)**  
 
--   **[Sensor服务](subsys-densor.md)**  
+-   **[Sensor服务](subsys-sensor.md)**  
 
 -   **[用户程序框架](subsys-application-framework.md)**