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

<?php

namespace refill\youjunfeinoy;

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

    const MCH_ID = 10377;
    const KEY = '509d6732539775534431135173e38d8a';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_youjunfeinoy.php";

}