清华镜像源
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
>Writing to C:\Users\Administrator\AppData\Roaming\pip\pip.ini
临时包设置
pip config set index-url https://pypi.tuna.tsinghua.edu.cn/simple
中科大镜像
https://mirrors.ustc.edu.cn/pypi/web/simple
阿里云镜像
https://mirrors.aliyun.com/pypi/simple/