ConnectionResetError

when I use 'python -m pip install detectron2 -f https://dl.fbaipublicfiles.com/detectron2/wheels/cu110/torch1.7/index.html' to install detectron2-0.4, I have this problem :
`Looking in links: https://dl.fbaipublicfiles.com/detectron2/wheels/cu110/torch1.7/index.html
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(104, '连接被对方重设'))': /detectron2/wheels/cu110/torch1.7/index.html
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(104, '连接被对方重设'))': /detectron2/wheels/cu110/torch1.7/index.html
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(104, '连接被对方重设'))': /detectron2/wheels/cu110/torch1.7/index.html
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(104, '连接被对方重设'))': /detectron2/wheels/cu110/torch1.7/index.html
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(104, '连接被对方重设'))': /detectron2/wheels/cu110/torch1.7/index.html
ERROR: Could not find a version that satisfies the requirement detectron2 (from versions: none)
ERROR: No matching distribution found for detectron2
`