ubuntu :no permissions (user in plugdev group; are your udev rules wrong?);
第一步:lsusb,找出来设备端口号lsusbBus002Device004:ID060b:7a03SolidYearBus002Device003:ID046d:c52fLogitech,Inc.UnifyingReceiverBus002Device002:ID8087:8000IntelCorp.Bus002Device001:ID1d6b:0002LinuxFoundation2.0roo