wanyue_app/app/model/SysConfig.php

<?php

namespace app\model;

use support\Model;

class SysConfig extends Model
{
    public $table = 'sys_config';

    public $primaryKey = 'config_id';

    public const UPDATED_AT = null;

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