清华大学:https://pypi.tuna.tsinghua.edu.cn/simple
华为云:https://repo.huaweicloud.com/repository/pypi/simple
阿里云:http://mirrors.aliyun.com/pypi/simple/
临时: pip install xxx -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
清华大学:https://pypi.tuna.tsinghua.edu.cn/simple
华为云:https://repo.huaweicloud.com/repository/pypi/simple
阿里云:http://mirrors.aliyun.com/pypi/simple/
临时: pip install xxx -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com