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

<?php

namespace refill\chendingfei;

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

    const MCH_ID = 10435;
    const KEY = '73fbb76d44ae805fb719a4681197dc70';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_chendingfei.php";

}