fix bug - 商品店铺筛选导致页面混乱，由于没有拼接url

@@ -18,8 +18,7 @@ var $ = require('jquery'),
     scH,
     $nav1 = $('#pos-nav'),
     $nav2 = $('#pos-list'),
-    sTop,
-    isIphone = navigator.userAgent.indexOf('iPhone') > 0 ? true : false;//判断浏览器类型
+    sTop;
 
 var tip = require('../plugin/tip'),
     filter = require('../plugin/filter'),
@@ -34,8 +33,6 @@ var $subNav = $('.home-sub-nav'),
     $shopId = $('input[name="shop_id"]').val(),
     $appVersion = $('input[name="app_version"]').val();
 
-var swiper;
-
 var winH = $(window).height(),
     noResult = '<p class="no-result">未找到相关搜索结果</p>';
 
@@ -350,6 +347,10 @@ function search(opt) {
         return;
     }
 
+    if (!opt.url) {
+        opt.url = '/index/search/search';
+    }
+
     //导航类别
     if ($pre.hasClass('new')) {
         navType = 'newest';