update doc

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

@@ -82,6 +82,17 @@ 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
 
 * [Web Console](web-console.md)
 
+## 用户数据回报
+
+在`3.1.4`版本后，增加了用户数据回报功能，方便统一做安全或者历史数据统计。
+
+在启动时，指定`stat-url`，就会回报执行的每一行命令，比如： `./as.sh --stat-url 'http://192.168.10.11:8080/api/stat'`
+
+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
+
+
 ## 其他特性
 
 * [异步命令支持](async.md)

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

@@ -78,6 +78,16 @@ Arthas supports living inside a browser. The communication between arthas and br
 
 * [Web Console](web-console.md)
 
+## User data report
+
+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.
+
+https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java
+
 ## Other features
 
 * [Async support](async.md)