nvidia 显卡驱动12.2

用国内源安装torch
pip3 install torch torchvision torchaudio --index-url https://mirrors.nju.edu.cn/pytorch/whl/cu126

比国外的pip install torch2.5.1 torchvision0.20.1 --extra-index-url https://download.pytorch.org/whl/cu121要快