[turtle1-1] process has died [pid 15306, exit code -6, cmd /opt/ros/noetic/lib/turtlesim/turtlesim_node __name:=turtle1 __log:=/home/alaric/.ros/log/fbe9f968-f6aa-11ec-9845-230aa3a71e6e/turtle1-1.log].
log file: /home/alaric/.ros/log/fbe9f968-f6aa-11ec-9845-230aa3a71e6e/turtle1-1*.log

结果报这个红字错误，不明白为什么，有没有大佬解答一下呀