pip config set global.index-url https://mirrors.ustc.edu.cn/pypi/web/simple
pip config set global.index-url https://pypi.doubanio.com/simple/
豆瓣 https://pypi.doubanio.com/simple/
网易 https://mirrors.163.com/pypi/simple/
阿里云 https://mirrors.aliyun.com/pypi/simple/
腾讯云 https://mirrors.cloud.tencent.com/pypi/simple
清华大学 https://pypi.tuna.tsinghua.edu.cn/simple/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/pkgs/main/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/cloud/conda-forge/
conda config --set show_channel_urls yes