pip

https://zhuanlan.zhihu.com/p/…

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

# 清华源
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

# 或：# 阿里源
pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/
# 腾讯源
pip config set global.index-url http://mirrors.cloud.tencent.com/pypi/simple
# 豆瓣源
pip config set global.index-url http://pypi.douban.com/simple/

cargo

https://www.qttc.net/542-rust…

编辑 ~/.cargo/config
增加一下内容

[source.crates-io]
replace-with = 'tuna'

[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"