diff --git a/README.md b/README.md
index ddcd91c5..95eedee5 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,11 @@
 
 <!-- ![](https://img.shields.io/badge/update-today-blue.svg) ![](https://img.shields.io/badge/gitbook-making-lightgrey.svg)</br> -->
 
-## 目录
+<div align="center"> 
+    
+[:cloud:](#网络-cloud) &nbsp; [:computer:](#操作系统-computer) &nbsp; [:pencil2:](#数据结构与算法-pencil2) &nbsp; [:couple:](#面向对象-couple) &nbsp; [:floppy_disk:](#数据库-floppy_disk) &nbsp; [:coffee:](#java-coffee) &nbsp; [:sweat_drops:](#分布式-sweat_drops) &nbsp; [:hammer:](#工具-hammer) &nbsp; [:speak_no_evil:](#编码实践-speak_no_evil) &nbsp; [:arrow_down:](#资料下载-arrow_down) &nbsp; [:memo:](#后记-memo)
 
-[:cloud:](#网络-cloud) &nbsp; [:computer:](#操作系统-computer) &nbsp; [:pencil2:](#数据结构与算法-pencil2) &nbsp; [:couple:](#面向对象-couple) &nbsp; [:floppy_disk:](#数据库-floppy_disk) &nbsp; [:coffee:](#java-coffee) &nbsp; [:sweat_drops:](#分布式-sweat_drops) &nbsp; [:hammer:](#工具-hammer) &nbsp; [:speak_no_evil:](#编码实践-speak_no_evil) &nbsp; [:arrow_down:](#资料下载-arrow_down) &nbsp; [:memo:](#后记-memo) </br>
+</div>
 
 ## 网络 :cloud: