兼容ios

 <div id="chat-main-wrap">
     <!--im 头部-->
     <header class="yoho-header chat-header">
-        <a href="{{#if backUrl}}{{backUrl}}{{^}}javascript:history.go(-1);{{/if}}" class="iconfont nav-back">&#xe610;</a>
+        <a id="js-back" href="{{#if backUrl}}{{backUrl}}{{^}}javascript:history.go(-1);{{/if}}" class="iconfont nav-back">&#xe610;</a>
         <div class="title">智能小YO</div>
         <div class="header-right"><span data-action="change-human">人工客服</span></div>
     </header>

@@ -6,6 +6,7 @@
 
 'use strict';
 
+import appBridge from 'yoho-app';
 import {time} from './time';
 import {api} from './store';
 import {RatingView, LeaveMSGView, OrderListView } from './view';
@@ -773,6 +774,15 @@ $('#chat-window').on('click', '.chat-image', function() {
     });
 });
 
+if (appBridge.isApp) {
+    $('#js-back').on('click', function(e) {
+        e.preventDefault();
+
+        appBridge.invokeMethod('go.back', {});
+    });
+}
+
+
 
 window.$ = $;
 window.chat = chat;