我的也是，不知道为什么不支持USB3，以下是useview相关内容：   [Port2] : USB 大容量存储设备 Is Port User Connectable: yes Is Port Debug Capable: no Companion Port Number: 6 Companion Hub Symbolic Link Name: USB#ROOT_HUB30#5&2251193b&5&0#{f18a0e88-c30c-11d0-8815-00a0c906bed8} Protocols Supported: USB 1.1: yes USB 2.0: yes USB 3.0: no Device Power State: PowerDeviceD0 ---===>Device Information<===--- English product name: "DataTraveler 3.0" ConnectionStatus: Current Config Value: 0x01 -> Device Bus Speed: High (is SuperSpeed or higher capable) Device Address: 0x01 Open Pipes: 2 ===>Device Descriptor<=== bLength: 0x12 bDescriptorType: 0x01 bcdUSB: 0x0210 bDeviceClass: 0x00 -> This is an Interface Class Defined Device bDeviceSubClass: 0x00 bDeviceProtocol: 0x00 bMaxPacketSize0: 0x40 = (64) Bytes idVendor: 0x0951 = Kingston Technology Company idProduct: 0x1666 bcdDevice: 0x0110 iManufacturer: 0x01 English (United States) "Kingston" iProduct: 0x02 English (United States) "DataTraveler 3.0" iSerialNumber: 0x03 English (United States) "00190F0C02B5BFB1E9A22B6C" bNumConfigurations: 0x01 ---===>Open Pipes<===--- ===>Endpoint Descriptor<=== bLength: 0x07 bDescriptorType: 0x05 bEndpointAddress: 0x81 -> Direction: IN - EndpointID: 1 bmAttributes: 0x02 -> Bulk Transfer Type wMaxPacketSize: 0x0200 = 0x200 max bytes bInterval: 0x00