[technical_network_bridge_node-22] process has died

[qycqycqyc]

Hello when Iaunch roslaunch robotx_gazebo robotx_gazebo.launch,there is a bug

process[tf_monitor-21]: started with pid [23319]
process[technical_network_bridge_node-22]: started with pid [23378]
terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injectorboost::system::system_error >'
what(): resolve: Host not found (authoritative)
[technical_network_bridge_node-22] process has died [pid 23378, exit code -6, cmd /home/qyc/catkin3_ws/devel/lib/robotx_driver/technical_network_bridge_node __name:=technical_network_bridge_node __log:=/home/qyc/.ros/log/8cb689f6-a0e1-11ea-b70f-000c2901576d/technical_network_bridge_node-22.log].
log file: /home/qyc/.ros/log/8cb689f6-a0e1-11ea-b70f-000c2901576d/technical_network_bridge_node-22*.log
[technical_network_bridge_node-22] restarting process

Could you tell me how to fix it ?
thanks