From 97490bf70f39e9cf9dee0bc958adccd131b895a8 Mon Sep 17 00:00:00 2001
From: ddy <58058861+ddy-ddy@users.noreply.github.com>
Date: Fri, 30 Sep 2022 14:19:52 +0800
Subject: [PATCH] feat: edit the readme

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

diff --git a/README.md b/README.md
index 0b836c3..f04ee88 100644
--- a/README.md
+++ b/README.md
@@ -199,6 +199,7 @@
 - [第一章：绪论](https://github.com/ddy-ddy/cs-408/tree/master/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84)
 - [第二章：线性表](https://github.com/ddy-ddy/cs-408/tree/master/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84)
 - [第三章：栈、队列和数组](https://github.com/ddy-ddy/cs-408/tree/master/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84)
+- [第四章：串](https://github.com/ddy-ddy/cs-408/tree/master/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84)