yolov8训练数据集出现问题,提示没有这个命令怎么回事
(yolov8) PS E:\DeepLLearning\ultralytics-main> yolo detect mode=train model=yolov8s.pt data=E:\DeepLLearning\ultralytics-main\datasets\VisDrone.yaml batch=16 epo
chs=500 imgsz=640 workers=0 device=0
Usage: yolo [OPTIONS] COMMAND [ARGS]...
Try 'yolo -h' for help.
Error: No such command 'detect'.
尝试 python setup.py install这个方法也不行提示
[Errno 2] No such file or directory.
求帮助。