yolov8 常见命令
cd app
cd ultralytics-main
conda activate yolov8
预测：yolo predict model=yolov8l.pt source=ultralytics/assets/bus.jpg
训练：yolo task=detect mode=train model=./yolov8l.pt data=yolo_guangzhou.yaml epochs=300 batch=16
cd app
cd ultralytics-main
conda activate yolov8
预测：yolo predict model=yolov8l.pt source=ultralytics/assets/bus.jpg
训练：yolo task=detect mode=train model=./yolov8l.pt data=yolo_guangzhou.yaml epochs=300 batch=16