解决resource not found问题

在运行ros中的xacro文件时出现的如下问题:

resource not found: mbot_description
ROS path [0]=/opt/ros/melodic/share/ros
ROS path [1]=/opt/ros/melodic/share
when processing file: mbot.xacro

解决方法:

sudo cp -r ~/catkin_ws/src/mbot_description  /opt/ros/melodic/share