Agv_emqx { NodeId:"agv1" ip:"127.0.0.1" port:1883 pubTopic:"AgvCmd/cmd1" subTopic:"AgvStatu/robot1" } Terminal_emqx { NodeId:"agv1" ip:"192.168.2.100" port:1883 pubTopic:"NavStatu/nav1" subTopic:"NavCmd/cmd1" }