game-box/application/citys/model/CitysFollow.php

<?php
/**
 * @copyright   Copyright (c) 2017 https://www.sapixx.com All rights reserved.
 * @license     Licensed (http://www.apache.org/licenses/LICENSE-2.0).
 * @author      pillar<ltmn@qq.com>
 * 评论管理
 */
namespace app\citys\model;
use think\Model;

class CitysFollow extends Model{

    protected $pk = 'id';
    
}