RP-Lidar报错:Error, cannot bind to the specified serial port /dev/ttyUSB0.
Error,cannotbindtothespecifiedserialport/dev/ttyUSB0.[rplidarNode-2]processhasdied[pid28680,exitcode255,cmd/home/lhd/ros/tergeo-indoor/install_isolated/lib/rplidar_ros/rplidarNode__name:=rplidarNode__