debug

data/resource/mobile/ugc/js/main.js

@@ -707,6 +707,7 @@ var replyList = new ReplyList();
 $(window).on('scroll',function(){
     var top = $(this).scrollTop();
     $('.answer_comments').css('top',top+360);
+    $('.pop').css('top',top);
 });
 
 event($('.bonus_item'), 'click', function () {