conda install的情况下，可以在anaconda p'rompt中输入
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/conda config--add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/conda config--add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/conda config--add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/conda config--add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/pro/cond
