/opt/ros/noetic/lib/python3/dist-packages/roslaunch
修改文件nodeprocess.py
# DEFAULT_TIMEOUT_SIGINT = 15.0 #seconds
# DEFAULT_TIMEOUT_SIGTERM = 2.0 #seconds
DEFAULT_TIMEOUT_SIGINT = 60.0 #seconds
DEFAULT_TIMEOUT_SIGTERM = 30.0 #seconds
即可,修改了ros的脚本文件