xyzshop/helper/refill/api/yl/coapi/config.php

<?php

namespace refill\coapi;

class config
{
    const ORDER_URL = 'https://co-api.zylife.co/mobile/index.php';

    const MCH_ID = 3;
    const KEY = '9e41b0e52d0894fd5dc60e9db84145e2';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_coapi.php";

}