if ((data.status && data.status == '401') || (data.statusText && data.statusText == 'No Transport')) {
            console.log(data);
            var currentUrl = window.location.href;
            window.location.href = currentUrl;
            return;
         }else if ((data.status && data.status == '404') || (data.statusText && data.statusText == 'Not Found')){//added by huangweii @2016-01-18
            if(data.responseText){
                $('body')[0].innerHTML=data.responseText;
                return;
            }

        }