update doc

en/advanced-use.html

@@ -108,6 +108,7 @@
 <li class="toctree-l3"><a class="reference internal" href="web-console.html">Web Console</a></li>
 </ul>
 </li>
+<li class="toctree-l2"><a class="reference internal" href="#user-data-report">User data report</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#other-features">Other features</a><ul>
 <li class="toctree-l3"><a class="reference internal" href="async.html">Async support</a></li>
 <li class="toctree-l3"><a class="reference internal" href="save-log.html">log the output</a></li>
@@ -285,6 +286,13 @@
 </ul>
 </div>
 </div>
+<div class="section" id="user-data-report">
+<h2>User data report<a class="headerlink" href="#user-data-report" title="Permalink to this headline">¶</a></h2>
+<p>After the <code class="docutils literal notranslate"><span class="pre">3.1.4</span></code> version, arthas support user data report.</p>
+<p>At startup, use the <code class="docutils literal notranslate"><span class="pre">stat-url</span></code> option, such as: <code class="docutils literal notranslate"><span class="pre">./as.sh</span> <span class="pre">--stat-url</span> <span class="pre">'http://192.168.10.11:8080/api/stat'</span></code></p>
+<p>There is a sample return code in the tunnel server that users can implement on their own.</p>
+<p>https://github.com/alibaba/arthas/blob/master/tunnel-server/src/main/java/com/alibaba/arthas/tunnel/server/app/web/StatController.java</p>
+</div>
 <div class="section" id="other-features">
 <h2>Other features<a class="headerlink" href="#other-features" title="Permalink to this headline">¶</a></h2>
 <div class="toctree-wrapper compound">