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

<?php

namespace refill\yitong_fy;

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

    const MCH_ID = 10375;
    const KEY = '8551b06b6ff6017464c64ad3f38e737e';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_yitong_fy.php";

}