agent_server/app/Models/Mongo/UsersModel.php

<?php
/**
 * 描述.
 *
 * @author nj
 * @date   2021-07-10 17:29
 */

namespace App\Models\Mongo;

class UsersModel extends BaseMongo
{
    /**
     * 集合名字.
     * @var string
     */
    protected $collection = 'users';

    /**
     * 设置mongo时间格式字段
     * @var string[]
     */
    protected $dates = ['created_at'];
}