$grid->status(trans('alarm.status'))->display(function ($status) {
  if ($status==1) {
    return "span class='label bg-red'>未处理/span>";
  }elseif ($status==2) {
    return "span class='label bg-yellow'>处理中/span>";
  }elseif($status==3) {
    return "span class='label bg-green'>已完成/span>";
  }else{
    return '异常';
  }
});