[websocket-3] [ERROR] [1719555828.702016017] [websocket]: Websocket did not receive AI data! Please check whether the AI data publisher still exists by 'ros2 topic info /racing_obstacle_detection'!

巡线可视化打得开但是避障的可视化打不开,关了防火墙也不行,也sudo apt update更新了,还是不行,对比了避障和巡线两个launch文件都差不多,问题可能在哪?