* change xuanxuan description.

# Conflicts:
#	docs/index.min.json
#	index.html

docs/index.json

 {
-  "version": "1.9.1.1",
-  "updateTime": "2019-03-12 13:42",
+  "version": "1.9.1.2",
+  "updateTime": "2020-05-11 13:42",
   "chapters": {
     "contribution": {
       "name": "贡献",
@@ -179,11 +179,11 @@
         },
         {
           "id": "xuanxuan",
-          "name": "喧喧：开源免费IM通讯方案",
-          "desc": "开源、免费、安全、跨平台的即时通讯方案",
-          "icon": "喧",
-          "url": "http://xuan.im",
-          "version": "1.6.0",
+          "name": "喧喧：专注于协同的聊天软件",
+          "desc": "免费、安全、跨平台的即时通讯方案",
+          "icon": "docs/img/xuan_icon.png",
+          "url": "http://xuanim.com",
+          "version": "3.2.2",
           "topics": [],
           "filter": "xuanxuan im"
         },

index.html

@@ -38,6 +38,7 @@
           <li><a title="了解禅道项目" href="http://zui.5upm.com/product-browse-2.html" target="_blank"><i class="icon icon-lightbulb"></i><span> 项目</span></a></li>
           <li><a title="论坛" href="http://forum.openzui.com/forum/" target="_blank"><i class="icon icon-comments-alt"></i><span> 论坛</span></a></li>
           <li><a title="在Github上Star项目" href="https://github.com/easysoft/zui" target="_blank"><i class="icon icon-github"></i><span> Star</span></a></li>
+          <li><a title="Switch language" href="./en/"><i class="icon icon-globe"></i><span> English</span></a></li>
         </ul>
       </nav>
     </div>
@@ -64,7 +65,7 @@
     </div>
     <div class="text-center" id="ad">
       <a id="mzui" class="hidden" href="http://openzui.com/m/" target="_blank"><i class="icon icon-diamond"></i> &nbsp; MZUI &nbsp; // <span class="hidden-xs inline">为移动端设计，</span>基于 Flex 的 UI 框架</a>
-      <a id="xuanxuan" href="http://xuan.im" target="_blank"><i class="icon icon-xuanxuan"></i>喧喧 &nbsp; // <span class="hidden-xs inline">免费、安全、跨平台的</span>聊天方案 !</a>
+      <a id="xuanxuan" href="http://xuan.im" target="_blank"><i class="icon icon-xuanxuan"></i>喧喧 &nbsp; // <span class="hidden-xs inline">免费、安全、跨平台的</span>聊天方案</a>
     </div>
   </div>
 </header>