update for back url

@@ -15,10 +15,8 @@ const renderData = {
 
 // 奥莱首页控制器
 exports.index = (req, res) => {
-    let backUrl = '//m.yohobuy.com/' + req.yoho.channel;
     let headerData = headerModel.setNav({
         navTitle: 'OUTLET',
-        backUrl: backUrl,
         navBtn: false
     });
 

@@ -57,6 +57,14 @@ if ($('.swiper-container .swiper-slide').length > 1) {
     });
 }
 
+$('.nav-back').on('click', function(e) {
+    var channel = window.cookie('_Channel') || 'boys';
+
+    e.preventDefault();
+
+    location.href = '//m.yohobuy.com/' + channel;
+});
+
 $categoryNavItem.on('click', function(e) {
     var query = searchInitParam($(this));