在使用cornerphoto.launch获取照片角坐标时，找不到照片，但是路径是没问题的，

[1010186]

setting /run_id to b54edd5c-5fff-11ed-b29a-19fefe31ebb3
process[rosout-1]: started with pid [9001]
started core service [/rosout]
process[cornerPhoto-2]: started with pid [9004]
Get the parameters from the launch file
No Picture found by filename: /home/li/Livox-SDK/ws_livox/src/camera_lidar_calibration/../../data/photo/1.bmp
[cornerPhoto-2] process has finished cleanly
log file: /home/li/.ros/log/b54edd5c-5fff-11ed-b29a-19fefe31ebb3/cornerPhoto-2*.log

[7216Inori]

你要在launch文件中修改图片路径，去掉/../../