> in `~/.cargo/config`

如果出现其中一个失败，轻尝试切换另外一个，如果都失败了，那么请清空`~/.cargo/config`内的文件，使用官方缘

### use tsinghua

```
[source.crates-io]
replace-with = 'tuna'

[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"
```

### use ustc

```
[source.crates-io]
replace-with = 'ustc'

[source.ustc]
registry = "git://mirrors.ustc.edu.cn/crates.io-index"
```

### 一次性代理设置

```bash
RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup target add wasm32-unknown-unknown
```

> refs: https://mirrors.tuna.tsinghua.edu.cn/help/rustup/ 


🌉 proxy

🦀 rust

how replace rust cargo proxy

set in [switchhosts](https://github.com/oldj/SwitchHosts)
```
199.232.68.133 raw.githubusercontent.com
199.232.68.133 user-images.githubusercontent.com
199.232.68.133 avatars2.githubusercontent.com
199.232.68.133 avatars1.githubusercontent.com
```

🐙 git

raw githubusercontent proxy

https://mirrors.tuna.tsinghua.edu.cn/help/crates.io-index.git/

🌉 proxy

how replace rust cargo proxy

use tsinghua

use ustc

一次性代理设置

raw githubusercontent proxy

download proxy setup / 镜像源设置