xyzshop/helper/refill/api/zy/huishiy/config.php

<?php

namespace refill\huishiy;

class config
{
    const ORDER_URL = 'https://www.xyzshops.cn/mobile/index.php';

    const MCH_ID = 10452;
    const KEY = '7150b748c42ead47780ce48a03601b35';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_huishiy.php";

}