谢谢,不过试了之后还是出现新问题了:
import rospkg
ImportError: No module named rospkg
[turtle1_tf_broadcaster-4] process has died [pid 12522, exit code 1, cmd /opt/ros/noetic/lib/turtle_tf/turtle_tf_broadcaster.py __name:=turtle1_tf_broadcaster __log:=/home/tom/.ros/log/be4155d6-e876-11eb-900c-8f95b31e7364/turtle1_tf_broadcaster-4.log].
log file: /home/tom/.ros/log/be4155d6-e876-11eb-900c-8f95b31e7364/turtle1_tf_broadcaster-4*.log
[turtle2_tf_broadcaster-5] process has died [pid 12523, exit code 1, cmd /opt/ros/noetic/lib/turtle_tf/turtle_tf_broadcaster.py __name:=turtle2_tf_broadcaster __log:=/home/tom/.ros/log/be
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