my_serical_node 节点运行时出错找不到这个包

[sangeren1002]

my_serical_node 节点运行时出错找不到这个包，但是find命令确可以找到。请问是哪里有问题吗？接触ROS不久。

[frinklai]

Maybe you forgot to source the setup.bash of your project? Try to run following command $ cd ~/catkin_test $ source devel/setup.bash then run node again