在编译时先是出现[lbk]featureAssociation-6[rbk] process has died，还有[lbk]imageProjection-5[rbk] process has died的问题，但是rviz 打开了。直接运行数据包，如图二能运行但是在运行时又出现[lbk]mapOptmization-7[rbk] process has died的字样。同时rviz 也没有反应。