安卓微信浏览器location.reload()刷新无效

function updateUrl(url,key){
        var key= (key || 't') +'=';  //默认是"t"
        var reg=new RegExp(key+'\\d+');  //正则：t=1472286066028
        var timestamp=+new Date();
        if(url.indexOf(key)>-1){ //有时间戳，直接更新
            return url.replace(reg,key+timestamp);
        }else{  //没有时间戳，加上时间戳
            if(url.indexOf('\?')>-1){
                var urlArr=url.split('\?');
                if(urlArr[1]){
                    return urlArr[0]+'?'+key+timestamp+'&'+urlArr[1];
                }else{
                    return urlArr[0]+'?'+key+timestamp;
                }
            }else{
                if(url.indexOf('#')>-1){
                    return url.split('#')[0]+'?'+key+timestamp+location.hash;
                }else{
                    return url+'?'+key+timestamp;
                }
            }
        }
    }

window.location.href=updateUrl(window.location.href); //不传参，默认是“t”
window.location.href=updateUrl(window.location.href,'v'); //传入自定义的变量名