草案参考备注 通过串口连接硬件 草案 https://wicg.github.io/serial/ 参考https://juejin.cn/post/6991629833680158727 https://juejin.cn/post/6962754264561418277https://blog.csdn.net/weixin_41231535/article/details/115218293 备注无法配对 smart card 读卡器