报错：[websocket-3] [ERROR] [1751097025.534058885] [websocket]: Websocket did not receive AI data! Please check whether the AI data publisher still exists by ‘ros2 topic info /racing_obstacle_detection’!
root@ubuntu:~# ros2 topic info /racing_obstacle_detection --verbose
Type: ai_msgs/msg/PerceptionTargets
Publisher count: 0
Subscription count: 1
Node name: websocket
Node namespace: /
Topic type: ai_msgs/msg/PerceptionTargets
Endpoint type: SUBSCRIPTION
GID: 01.0f.2a.fc.72.20.0b.74.00.00.00.00.00.00.13.04.00.00.00.00.00.00.00.00
QoS profile:
Reliability: RELIABLE
History (Depth): UNKNOWN
Durability: VOLATILE
Lifespan: Infinite
Deadline: Infinite
Liveliness: AUTOMATIC
Liveliness lease duration: Infinite