diff --git a/README_zh.md b/README_zh.md
index 4a7ad9eb042d3d80341c3116ce0e0d42eff1c442..952dce67e1393ec9b688c15538cf37a0872e2618 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -53,7 +53,7 @@
 ## 编译构建<a name="section137768191623"></a>
 
 ```
-./build.sh --product-name Hi3516DV300 --build-target ark\_js\_runtime
+$ ./build.sh --product-name Hi3516DV300 --build-target ark_js_runtime
 ```
 
 ### 接口说明<a name="section175841548124517"></a>