diff --git a/_posts/help/1970-01-01-homebrew.md b/_posts/help/1970-01-01-homebrew.md
index 85723f2..f7fa89e 100644
--- a/_posts/help/1970-01-01-homebrew.md
+++ b/_posts/help/1970-01-01-homebrew.md
@@ -47,3 +47,20 @@ git -C "$(brew --repo homebrew/core)" remote set-url origin https://github.com/H
 # 更换后测试工作是否正常
 brew update
 ```
+
+### 安装 linuxbrew 时使用 tuna 镜像 (可用 `sudo`)
+
+```
+0. 安装 git
+1. 下载 https://raw.githubusercontent.com/Linuxbrew/install/master/install-ruby
+2. 将其中 https://homebrew.bintray.com/bottles-portable-ruby/ 换为 https://mirrors.cloud.tencent.com/homebrew-bottles/bottles-portable-ruby/
+3. 运行 ./install-ruby 安装 portable ruby
+4. export PATH=/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/vendor/portable-ruby/current/bin:$PATH # ==> Add Ruby to your PATH
+5. 下载 https://raw.githubusercontent.com/Linuxbrew/install/master/install
+6. 将其中 https://github.com/Homebrew/brew 换为 https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
+7. 运行 ./install 安装 brew
+8. 执行到 “==> Tapping homebrew/core” 时 Ctrl-C
+9. export PATH=/home/linuxbrew/.linuxbrew/Homebrew/bin:$PATH # 将 brew 添加到 PATH
+10. git clone https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/linuxbrew-core.git "$(brew --repo homebrew/core)"
+11. 再次运行 ./install 即可到达安装成功结果
+```