diff --git a/java_interop/protobuf-triple/README.md b/java_interop/protobuf-triple/README.md
index 2f93bd5..f10324f 100644
--- a/java_interop/protobuf-triple/README.md
+++ b/java_interop/protobuf-triple/README.md
@@ -10,6 +10,58 @@
 - [x] java-client communicating with a dubbogo-server
 - [x] java-server communicating with a dubbogo-client
 
+## Generating Code
+- Java
+  - 1.Add build to pom.xml
+    ```xml
+      <build>
+        <extensions>
+            <extension>
+                <groupId>kr.motd.maven</groupId>
+                <artifactId>os-maven-plugin</artifactId>
+                <version>1.6.1</version>
+            </extension>
+        </extensions>
+        <plugins>
+            <plugin>
+                <groupId>org.xolstice.maven.plugins</groupId>
+                <artifactId>protobuf-maven-plugin</artifactId>
+                <version>0.6.1</version>
+                <configuration>
+                    <protocArtifact>com.google.protobuf:protoc:3.19.4:exe:${os.detected.classifier}</protocArtifact>
+                    <outputDirectory>${project.basedir}/../build/protobuf/java</outputDirectory>
+                    <protocPlugins>
+                        <protocPlugin>
+                            <id>dubbo</id>
+                            <groupId>org.apache.dubbo</groupId>
+                            <artifactId>dubbo-compiler</artifactId>
+                            <version>${dubbo.version}</version>
+                            <mainClass>org.apache.dubbo.gen.tri.Dubbo3TripleGenerator</mainClass>
+                        </protocPlugin>
+                    </protocPlugins>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+    ```
+  - 2.Generate using mvn
+  ```shell
+  mvn clean install
+  ```
+- go
+  - Generate code with protoc
+    ```shell
+    protoc --go_out=. --go_opt=paths=source_relative --go-triple_out=. greet.proto 
+    ```
+
+
 ## Running the Application
 1. Start the server:
     - Use goland to start triple/gojava-go-server
diff --git a/java_interop/protobuf-triple/README_zh.md b/java_interop/protobuf-triple/README_zh.md
index 01fbd57..af369f3 100644
--- a/java_interop/protobuf-triple/README_zh.md
+++ b/java_interop/protobuf-triple/README_zh.md
@@ -1,5 +1,6 @@
 # dubbogo-java
 
+使用同一个proto文件实现dubbo的java和go互通
 ## Contents
 
 - protobuf: 使用 proto 文件的结构体定义
@@ -11,7 +12,57 @@
 
 - [x] java-client -> dubbogo-server
 - [x] java-server -> dubbogo-client
-
+## 生成 code
+- java
+  - 1.在pom.xml中添加build
+  ```xml
+      <build>
+        <extensions>
+            <extension>
+                <groupId>kr.motd.maven</groupId>
+                <artifactId>os-maven-plugin</artifactId>
+                <version>1.6.1</version>
+            </extension>
+        </extensions>
+        <plugins>
+            <plugin>
+                <groupId>org.xolstice.maven.plugins</groupId>
+                <artifactId>protobuf-maven-plugin</artifactId>
+                <version>0.6.1</version>
+                <configuration>
+                    <protocArtifact>com.google.protobuf:protoc:3.19.4:exe:${os.detected.classifier}</protocArtifact>
+                    <outputDirectory>${project.basedir}/../build/protobuf/java</outputDirectory>
+                    <protocPlugins>
+                        <protocPlugin>
+                            <id>dubbo</id>
+                            <groupId>org.apache.dubbo</groupId>
+                            <artifactId>dubbo-compiler</artifactId>
+                            <version>${dubbo.version}</version>
+                            <mainClass>org.apache.dubbo.gen.tri.Dubbo3TripleGenerator</mainClass>
+                        </protocPlugin>
+                    </protocPlugins>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+  ```
+  - 2.使用mvn生成
+  ```shell
+  mvn clean install
+  ```
+- go
+  - 使用protoc生成code
+  ```shell
+  protoc --go_out=. --go_opt=paths=source_relative --go-triple_out=. greet.proto 
+  ```
+  
 ## 运行
 1. 启动服务端
    - 使用 goland 启动 triple/gojava-go-server
diff --git a/java_interop/protobuf-triple/go/go-client/cmd/client.go b/java_interop/protobuf-triple/go/go-client/cmd/client.go
index acf859e..c833592 100644
--- a/java_interop/protobuf-triple/go/go-client/cmd/client.go
+++ b/java_interop/protobuf-triple/go/go-client/cmd/client.go
@@ -34,13 +34,6 @@
 	if err != nil {
 		panic(err)
 	}
-	if err != nil {
-		panic(err)
-	}
-
-	if err != nil {
-		panic(err)
-	}
 
 	svc, err := greet.NewGreeter(cli)
 	if err != nil {
diff --git a/java_interop/protobuf-triple/java/java-client/pom.xml b/java_interop/protobuf-triple/java/java-client/pom.xml
index ae5cb3d..e5079a0 100644
--- a/java_interop/protobuf-triple/java/java-client/pom.xml
+++ b/java_interop/protobuf-triple/java/java-client/pom.xml
@@ -51,6 +51,7 @@
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
+                <outputDirectory>${project.basedir}/../build/protobuf/java</outputDirectory>
                 <version>0.6.1</version>
                 <configuration>
                     <!--suppress UnresolvedMavenProperty -->
diff --git a/java_interop/protobuf-triple/java/java-server/pom.xml b/java_interop/protobuf-triple/java/java-server/pom.xml
index 3f7a7a6..8a52a99 100644
--- a/java_interop/protobuf-triple/java/java-server/pom.xml
+++ b/java_interop/protobuf-triple/java/java-server/pom.xml
@@ -51,6 +51,7 @@
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
+                <outputDirectory>${project.basedir}/../build/protobuf/java</outputDirectory>
                 <version>0.6.1</version>
                 <configuration>
                     <protocArtifact>com.google.protobuf:protoc:3.19.4:exe:${os.detected.classifier}</protocArtifact>
diff --git a/java_interop/protobuf-triple/java/pom.xml b/java_interop/protobuf-triple/java/pom.xml
index 3f7a7a6..8a52a99 100644
--- a/java_interop/protobuf-triple/java/pom.xml
+++ b/java_interop/protobuf-triple/java/pom.xml
@@ -51,6 +51,7 @@
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
+                <outputDirectory>${project.basedir}/../build/protobuf/java</outputDirectory>
                 <version>0.6.1</version>
                 <configuration>
                     <protocArtifact>com.google.protobuf:protoc:3.19.4:exe:${os.detected.classifier}</protocArtifact>