diff --git a/README.md b/README.md
index c1392b9..9ca1c9e 100644
--- a/README.md
+++ b/README.md
@@ -173,7 +173,7 @@
 
 - [第八章：排序](https://github.com/ddy-ddy/cs-408/tree/master/1%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84)
 
-    
+      
 
 ## 三、计算机组成原理
 
@@ -215,7 +215,7 @@
 
 👇下图是计网笔记中与**TCP拥塞控制算法**有关的知识点![](https://tva1.sinaimg.cn/large/006y8mN6gy1h6rc2qv1jjj31bn0u0jww.jpg)
 
-- 第一章：计算机网络体系结构](https://github.com/ddy-ddy/cs-408/tree/master/4%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C)
+- [第一章：计算机网络体系结构](https://github.com/ddy-ddy/cs-408/tree/master/4%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C)
 - [第二章：物理层](https://github.com/ddy-ddy/cs-408/tree/master/4%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C)
 - [第三章：数据链路层](https://github.com/ddy-ddy/cs-408/tree/master/4%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C)
 - [第四章：网络层](https://github.com/ddy-ddy/cs-408/tree/master/4%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C)