From ef429548022ca125b7597a1dfff29aae711efffc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=97=AA=E5=AE=A2sun?= <18811311416@sina.cn>
Date: Sat, 29 Jan 2022 10:51:49 +0800
Subject: [PATCH] Update README.md

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index b9b8d1d..934e83c 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,8 @@
    * [第17回 时间初始化 time_init](https://mp.weixin.qq.com/s/y26MMfj8pP5PmbKDZBT5-A)
    * [第18回 进程调度初始化 sched_init](https://mp.weixin.qq.com/s/j4FYWUSX_2gpDb_h4vEFqQ)
    * [第19回 缓冲区初始化 buffer_init](https://mp.weixin.qq.com/s/X8BSbf1qShS11_fzfyOhTg)
+   * [第20回 硬盘初始化 hd_init](https://mp.weixin.qq.com/s/803C9jHxIe42i9BrNzEvPA)
+   * [第二部分总结与回顾](https://mp.weixin.qq.com/s/Hf9B1ww1wFxiUDkWb0obeQ)
 
 * **第三部分：一个新进程的诞生**