报错提示：

[ERROR][1664516294.790050695]:PluginlibFactory: The plugin for class‘rviz_imu_plugin/Imu’ failed to load. Error: According to the loaded plugin descriptions the class rviz_imu_plugin/Imu with base class type rviz:: Display does not exist. Declared types are rviz/GridCells rviz?Illuminance rviz/Image rviz/Interactive Markers rviz/LaserScan rviz/Map rviz/Marker

解决方法：

sudo apt search ros-noetic-rviz-imu-plugin命令行搜索这个包，如果没有的话安装ros-<ros-version>-rviz-imu-plugin这个库。