From 8fca6dc6fc5ab7473b17f08ddbf2a5e89feca8ed Mon Sep 17 00:00:00 2001
From: Jingbei Li <i@jingbei.li>
Date: Fri, 24 May 2019 13:48:38 +0800
Subject: [PATCH] updated help for arch4edu added instructions to import gpg
 key

---
 _posts/help/2019-03-18-arch4edu.md | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/_posts/help/2019-03-18-arch4edu.md b/_posts/help/2019-03-18-arch4edu.md
index 81073da..239e0a3 100644
--- a/_posts/help/2019-03-18-arch4edu.md
+++ b/_posts/help/2019-03-18-arch4edu.md
@@ -15,7 +15,22 @@ Arch4edu 是面向高校用户推出的非官方软件仓库，
 
 ### 使用方法
 
-在 `/etc/pacman.conf` 文件末尾添加以下内容：
+* 导入 GPG key
+
+```
+$ pacman-key --recv-keys 7931B6D628C8D3BA
+$ pacman-key --finger 7931B6D628C8D3BA
+$ pacman-key --lsign-key 7931B6D628C8D3BA
+```
+
+* 在 `/etc/pacman.conf` 文件末尾添加以下内容：
+
+```
+[arch4edu]
+Server = https://mirrors.tuna.tsinghua.edu.cn/arch4edu/$arch
+```
+
+* [**不推荐**] 不导入 GPG key，并直接在 `/etc/pacman.conf` 文件末尾添加以下内容：
 
 ```
 [arch4edu]