# 切换至root
su root
# 输入密码
# 复制pl2303.ko
cp /lib/modules/4.4.0-130-generic/kernel/drivers/usb/serial/pl2303.ko /usr/src/linux-headers-4.4.0-130-generic/drivers/usb/serial/
# 编译
cd /usr/src/linux-headers-4.4.0-130-generic/drivers/usb/serial/
modprobe usbserial
modprobe pl2303
# 查看usb连接
dmesg | tail

切换至fangqi

su fangqi
# 输入密码
sudo chown fangqi /dev/ttyUSB0