wanyue_app/app/model/SysUpload.php

<?php

namespace app\model;

use support\Model;

class SysUpload extends Model
{
    protected $table = 'sys_upload';

    protected $primaryKey = 'upload_id';

    protected $dateFormat = 'U';

    const CREATED_AT = 'upload_addtimes';

    const UPDATED_AT = null;
}