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

<?php

namespace refill\piaoxinfu;

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

    const MCH_ID = 10366;
    const KEY = '212a6fb55c5aa2ac8a2eb99cb8f09602';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_piaoxinfu.php";

}