$("#follow-button,.followTopic,.followerUser").click(function(){
        if(!check_login()){
            return ;
        }
        $(this).button('loading');
        var follow_btn = $(this);
        var source_type = $(this).data('source_type');
        var source_id = $(this).data('source_id');
        var show_num = $(this).data('show_num');

        $.get('/follow/'+source_type+'/'+source_id,function(msg){
            follow_btn.removeClass('disabled');
            follow_btn.removeAttr('disabled');
            if(msg =='followed'){
                follow_btn.html('已关注');
                follow_btn.addClass('active');
            }else{
                follow_btn.html('关注');
                follow_btn.removeClass('active');
            }

            /*是否操作关注数*/
            if(Boolean(show_num)){
                var follower_num = $("#follower-num").html();
                if(msg==='followed'){
                    $("#follower-num").html(parseInt(follower_num)+1);
                }else{
                    $("#follower-num").html(parseInt(follower_num)-1);
                }
            }
        });

    });

当网站放在文件夹下时，这里的相对地址造成404错误