官方安装指南：
https://pytorch.org/get-started/locally/
强制重装：
pip install --force-reinstall torch --index-url https://download.pytorch.org/whl/cu128pip install -r requirements.txt --extra-index-url=https://download.pytorch.org/whl/cu118其它镜像源：
https://mirror.sjtu.edu.cn/pytorch-wheels
#2.6+cu126
.\.env\python -m pip install torch==2.6.0+cu126 torchvision==0.21.0 torchaudio==2.6.0+cu126 -i https://mirror.sjtu.edu.cn/pytorch-wheels#2.7.0+cu126+xFormers 0.0.30
.\.ext\python -m pip install --upgrade torch==2.7.0+cu128 torchvision==0.23.0+cu128 torchaudio==2.7.0+cu128 xformers==0.0.30 -i https://mirror.sjtu.edu.cn/pytorch-wheels#2.8.0+cu128
.\.ext\python -m pip install --upgrade torch==2.8.0+cu128 torchvision==0.23.0+cu128 torchaudio==2.8.0+cu128 xformers==0.0.32.post1 -i https://mirror.sjtu.edu.cn/pytorch-wheels#2.9.1+cu130
.\.env\python -m pip install torch==2.9.1+cu130 torchvision==0.21.0 torchaudio==2.9.1+cucu130 -i https://mirror.sjtu.edu.cn/pytorch-wheels#2.3.1+cu121
.\.env\python -m pip install torch==2.3.1 torchvision==0.18.1 torchaudio==2.3.1 -i https://mirror.sjtu.edu.cn/pytorch-wheels/cu121# 2.3.0+cu118
pip install torch==2.3.0+cu118 torchvision==0.18.0+cu118 torchaudio==2.3.0+cu118 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.3.0+cu121
pip install torch==2.3.0+cu121 torchvision==0.18.0+cu121 torchaudio==2.3.0+cu121 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.2.0+cu118
pip install torch==2.2.0+cu118 torchvision==0.17.0+cu118 torchaudio==2.2.0+cu118 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.2.0+cu121
pip install torch==2.2.0+cu121 torchvision==0.17.0+cu121 torchaudio==2.2.0+cu121 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.1.0+cu118
pip install torch==2.1.0+cu118 torchvision==0.16.0+cu118 torchaudio==2.1.0+cu118 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.1.0+cu121
pip install torch==2.1.0+cu121 torchvision==0.16.0+cu121 torchaudio==2.1.0+cu121 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
# 2.0.0+cu118
pip install torch==2.0.0+cu118 torchvision==0.15.1+cu118 torchaudio==2.0.1+cu118 -f https://mirror.sjtu.edu.cn/pytorch-wheels/torch_stable.html
