im android

@@ -12,11 +12,6 @@ import {api} from './store';
 import {RatingView, LeaveMSGView, OrderListView } from './view';
 import tip from 'plugin/tip';
 
-if (appBridge.isApp && /YohoBuy-iOS/i.test(navigator.userAgent)) {
-    document.body.classList.add('app-ios');
-}
-
-
 var qs = require('yoho-qs');
 
 var socket = require('./socket-chat'),
@@ -855,20 +850,24 @@ $('#chat-window').on('click', '.chat-image', function() {
     });
 });
 
-if (appBridge.isApp) {
+
+if (appBridge.isApp && /YohoBuy\-iOS/i.test(navigator.userAgent)) {
+    document.body.classList.add('app-ios');
+}
+
+if (/YohoBuy-android-yas/.test(navigator.userAgent)) {
     $('#js-back').removeAttr('href').on('click', function(e) {
         e.preventDefault();
-
-        if ((qs.client_type || '').toLowerCase() === 'android') {
-            window.im.goBack();
-        } else {
-            appBridge.invokeMethod('go.back', {});
-        }
+        window.im.goBack();
+    });
+} else if (appBridge.isApp) {
+    $('#js-back').removeAttr('href').on('click', function(e) {
+        e.preventDefault();
+        appBridge.invokeMethod('go.back', {});
     });
 }
 
 
-
 window.$ = $;
 window.chat = chat;
 window.cmEntity = cmEntity;