fishros@fishros-linux:~$ lsusb
Bus 004 Device 002: ID 0781:5591 SanDisk Corp. Ultra Flair
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 2b7e:b567 Kingcome HD Camera
Bus 003 Device 005: ID 1a86:e397 QinHeng Electronics USB 10/100 LAN
Bus 003 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 003 Device 006: ID 8087:0026 Intel Corp. AX201 Bluetooth
Bus 003 Device 002: ID 30fa:0301 Instant USB Optical Mouse
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
里面都没有USB串口的名字