ship-expert/app/data/model/DataUserMessage.php

<?php

namespace app\data\model;

use think\admin\Model;

/**
 * 用户消息模型
 * Class DataUserMessage
 * @package app\data\model
 */
class DataUserMessage extends Model
{
    protected $autoWriteTimestamp=true;
    protected $createTime='create_at';
    protected $updateTime=null;
}