支付二维码唤起2秒后消失。提示单号记录不存在，开发者工具是配置沙盒环境的小程序appid。调取预定下单接口说明地址：https://developer.open-douyin.com/docs/resource/zh-CN/mini-app/develop/server/ecpay/pay-list/pay,

创建预定订单接口地址：https://open-sandbox.douyin.com/api/apps/ecpay/v1/create_order

返回结果返回如下
{"code":0,"message":"\u6210\u529f","data":{"err_no":0,"err_tips":"","data":{"order_id":"7306391859474123060","order_token":"CgwIARDPKBjKMCABKAESTgpMtq2d+CV7dYHOzWwpxi0mpaogN\/lgj+7h3GurUWm22\/qWb09giIlDpN4skISbK5QKnuxq5ReUBx5A6RCBQ7h5it4ocDrMrJNQ2U3orRoA.W"}}}