function stime(o_datetime) {
    // console.log(new Date(o_datetime));
    const oTime = new Date(o_datetime).getTime();
    const oPerTime = Date.now()
    if (oTime - oPerTime > 0) {
        $('#status').html('未开始');
    } else if (oTime - oPerTime < 0 && oTime - oPerTime > -10800000) {
        // 3小时内，正在比赛
        $('#status').html('直播中');
    } else {
        //已完赛
        $('#status').html('已结束') ;
    }
}