diff --git a/zh-cn/device-dev/subsystems/subsys-build-mini-lite.md b/zh-cn/device-dev/subsystems/subsys-build-mini-lite.md
index 2bbecc464885f64564a7bd198a4ec2aa1bbaaecf..a86c73bb21577c7c927d92baf37b5e5a2462cc66 100644
--- a/zh-cn/device-dev/subsystems/subsys-build-mini-lite.md
+++ b/zh-cn/device-dev/subsystems/subsys-build-mini-lite.md
@@ -37,7 +37,7 @@
 
 ### 基本概念<a name="section1732301411128"></a>
 
-在使用编译构建子系统前，应了解如下基本概念：s
+在使用编译构建子系统前，应了解如下基本概念：
 
 -   子系统