The topic of "/ros2_openvino_toolkit/face_detection" no message when test pipeline image.

[huangjiafengx]

Step1: ros2 launch openvino_node pipeline_image.launch.py Step2: run the ros2 topic echo "topic" at another terminal: ros2 topic bw /ros2_openvino_toolkit/face_detectiont Step3: the step2 print nothing. but other topic can print.