crm/app/model/AsyncTask.php

<?php

namespace app\model;

use think\Model;

class AsyncTask extends Model
{
    protected $json = ['params'];
    protected $jsonAssoc = true;
    protected $createTime = 'addtime';
    public function getAddtimeAttr($value)
    {
        return date('Y-m-d H:i:s', $value);
    }

    public function getCompleteTimeAttr($value)
    {
        return date('Y-m-d H:i:s', $value);
    }
}