3090安装pytorch
pip install torch1.8.0+cu111 torchvision0.9.0+cu111 torchaudio===0.8.0 -f https://download.pytorch.org/whl/torch_stable.html
pip install torch1.8.0+cu111 torchvision0.9.0+cu111 torchaudio===0.8.0 -f https://download.pytorch.org/whl/torch_stable.html
