优化选择框

@@ -241,14 +241,12 @@ $listNav.on('touchend touchcancel', function(e) {
         $dropList.toggle();
         $dropList.find('.default').on('touchend touchcancel', function() {
             $thisLi = $(this);
-
             $firstText.html('默认');
             popularityFilter($thisLi, 'default');
             return false;
         });
         $dropList.find('.popularity').on('touchend touchcancel', function() {
             $thisLi = $(this);
-
             $firstText.html('人气');
             popularityFilter($thisLi, 'popularity');
             return false;