Merge branch 'release/5.3' of http://git.yoho.cn/fe/yohobuywap-node into release/5.3

@@ -139,7 +139,6 @@
                 {{> common/goods}}
             {{/@root.firstPageGoodsList}}
         </div>
-        <div class="search-divide">正在加载...</div>
         <div class="default-goods container clearfix"></div>
         <div class="new-goods container clearfix"></div>
         <div class="sale-goods container clearfix"></div>

@@ -13,7 +13,7 @@ module.exports = () => {
             pageChannel: {}
         };
 
-        let ua = req.get('User-Agent').toLowerCase();
+        let ua = (req.get('User-Agent') || '').toLowerCase();
 
         const channel = req.query.channel || req.cookies._Channel || 'boys';