update doc

site/src/site/sphinx/advanced-use.md

@@ -90,7 +90,7 @@ Arthas支持使用管道对上述命令的结果进行进一步的处理，如`s
 
 在tunnel server里有一个示例的回报代码，用户可以自己在服务器上实现。
 
-https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java
+[StatController.java](https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java)
 
 
 ## 其他特性

site/src/site/sphinx/en/advanced-use.md

@@ -84,9 +84,9 @@ After the `3.1.4` version, arthas support user data report.
 
 At startup, use the `stat-url` option, such as: `./as.sh --stat-url 'http://192.168.10.11:8080/api/stat'`
 
-There is a sample return code in the tunnel server that users can implement on their own.
+There is a sample data report in the tunnel server that users can implement on their own.
 
-https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java
+[StatController.java](https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java)
 
 ## Other features