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@3215456057 最后我是老老实实的一个一个的启动（就是把相关的节点全部一个一个启动），最后可以建图导航。
@3228038523 gedit .bashrc
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我的系统是ubuntu22.04 humble,连接小车后得到的反馈也是这个问题， 运行``` ros2 topic echo /odom pose.pose
The passed message type is invalid
L
MAKEFLAGS=-j4 colcon build 用makeflags限制编译线程即可
