php/app/common/dao/user/UserSignGongxianDao.php

<?php

namespace app\common\dao\user;

use app\common\dao\BaseDao;
use app\common\model\user\UserSignGongxian;

class UserSignGongxianDao extends BaseDao
{
    protected function getModel(): string
    {
        return UserSignGongxian::class;
    }
}