- 清华大学:https://pypi.tuna.tsinghua.edu.cn/simple/
- 阿里云 :https://mirrors.aliyun.com/pypi/simple/
- 豆瓣: https://pypi.doubanio.com/simple/
pip install numpy -i https://pypi.tuna.tsinghua.edu.cn/simple/

pip install numpy -i https://pypi.tuna.tsinghua.edu.cn/simple/