在本地虚拟出远程的usb设备，解决了usb线缆的局限性，理论可以无限远。使用方法：服务器端挂载usb设备，客户端在远端访问实现远程设备本地化。-In the local virtual remote USB devices, to solve the limitations of the USB cable, the theory can be infinitely far. Method of use: Mount USB server device, client access remote