sale 优化

@@ -112,8 +112,9 @@ function subClassifyTapEvt($this) {
     if (fCbFn) {
         fCbFn({
             type: $sub.data('type'),
-            id: id
-        }, true);
+            id: id,
+            filtering: true
+        });
     }
 
     if (hCbFn) {

@@ -251,7 +251,7 @@ C_ID = window._ChannelVary[window.cookie('_Channel')];
  * 需要执行search的场景：1.点选筛选项；2.relaod为true时切换导航；3.下拉加载
  * @param opt {type, id}
  */
-function search(opt, filtering) {
+function search(opt) {
     var setting = {},
         ext,
         att,
@@ -472,7 +472,7 @@ function search(opt, filtering) {
 
     argument = setting;
 
-    if (filtering) {
+    if (opt && opt.filtering) {
         $fsgc.addClass('hide');
         if (params.start) {
             delete setting.start;
@@ -877,7 +877,7 @@ $newList.on('touchstart', 'li', function(e) {
             break;
     }
     $pre = $firstLiDom;
-    search({}, true);
+    search({filtering: true});
 });
 
 $(document).on('touchstart', function(e) {