9.5.1运行雷达转接板驱动报错

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报错日志：

tingbo@tingbo-i7:~/chapt9/fishbot_ws$ source install/setup.bash
tingbo@tingbo-i7:~/chapt9/fishbot_ws$ ros2 run ros_serail2wifi tcp_server --ros-args -p serial_port:=/tmp/tty_laser
Traceback (most recent call last):
  File "/home/tingbo/chapt9/fishbot_ws/install/ros_serail2wifi/lib/ros_serail2wifi/tcp_server", line 33, in <module>
    sys.exit(load_entry_point('ros-serail2wifi==0.0.0', 'console_scripts', 'tcp_server')())
  File "/home/tingbo/chapt9/fishbot_ws/install/ros_serail2wifi/lib/python3.10/site-packages/ros_serail2wifi/tcpserver.py", line 76, in main
    node.run()
  File "/home/tingbo/chapt9/fishbot_ws/install/ros_serail2wifi/lib/python3.10/site-packages/ros_serail2wifi/tcpserver.py", line 33, in run
    os.symlink(os.ttyname(slave), self.serial_port)
FileExistsError: [Errno 17] File exists: '/dev/pts/4' -> '/tmp/tty_laser'
[ros2run]: Process exited with failure 1