diff --git a/docs/en-us/dev/build.md b/docs/en-us/dev/build.md
index 8b0f139..2e254f4 100644
--- a/docs/en-us/dev/build.md
+++ b/docs/en-us/dev/build.md
@@ -41,11 +41,13 @@
 
 ## Building jar package of source code 
 
-build Dubbo source code jar package with below command, which can debug Dubbo source code. 
+build Dubbo source code jar package with below command.
 
 ```sh
 mvn clean source:jar install -Dmaven.test.skip
 ```
+and modify the dubbo dependency in your sample project to the SANPSHOT version of the local repository, and then use remote debugger to debug dubbo.
+
 
 ## IDE support
 
diff --git a/docs/zh-cn/dev/build.md b/docs/zh-cn/dev/build.md
index 2ab327b..3804054 100644
--- a/docs/zh-cn/dev/build.md
+++ b/docs/zh-cn/dev/build.md
@@ -41,11 +41,12 @@
 
 ## 构建源代码 jar 包
 
-通过以下命令以构建 Dubbo 的源代码 jar 包，方便用来调试 Dubbo 源代码
+通过以下命令以构建 Dubbo 的源代码 jar 包
 
 ```sh
 mvn clean source:jar install -Dmaven.test.skip
 ```
+并且修改你的样例项目中的dubbo依赖为本地仓库的SANPSHOT版本，然后使用远程debug来调试dubbo。
 
 ## IDE 支持