update zh-cn/device-dev/subsystems/Readme-CN.md.

Signed-off-by: Nduangavin123 <duanxichao@huawei.com>

zh-cn/device-dev/subsystems/Readme-CN.md

@@ -39,10 +39,10 @@
     - [唤醒词识别SDK的开发示例](subsys-aiframework-demo-sdk.md)
     - [唤醒词识别插件的开发示例](subsys-aiframework-demo-plugin.md)
     - [唤醒词识别配置文件的开发示例](subsys-aiframework-demo-conf.md)
-- [Sensor服务](subsys-densor.md)
-  - [Sensor服务子系概述](subsys-densor-overview.md)
-  - [Sensor服务子系使用指导](subsys-densor-guide.md)
-  - [Sensor服务子系使用实例](subsys-densor-demo.md)
+- [Sensor服务](subsys-sensor.md)
+  - [Sensor服务子系概述](subsys-sensor-overview.md)
+  - [Sensor服务子系使用指导](subsys-sensor-guide.md)
+  - [Sensor服务子系使用实例](subsys-sensor-demo.md)
 - [用户程序框架](subsys-application-framework.md)
   - [概述](subsys-application-framework-overview.md)
   - [搭建环境](subsys-application-framework-envbuild.md)