Update README.md

README.md

@@ -8,45 +8,45 @@
 
 <br>
 
-## :pencil2: Ⅰ 算法
+## :pencil2: 算法
 
 - [剑指 Offer 题解](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/剑指%20offer%20题解.md)
 - [Leetcode 题解](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Leetcode%20题解.md)
 - [算法](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/算法.md)
 
-## :computer: Ⅱ 操作系统
+## :computer: 操作系统
 
 - [计算机操作系统](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/计算机操作系统.md)
 - [Linux](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Linux.md)
 
-## :cloud: Ⅲ 网络 
+## :cloud: 网络 
 
 - [计算机网络](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/计算机网络.md)
 - [HTTP](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/HTTP.md)
 - [Socket](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Socket.md)
 
-## :unlock: Ⅳ 面向对象
+## :art: 面向对象
 
 - [设计模式](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/设计模式.md)
 - [面向对象思想](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/面向对象思想.md)
 
-## :floppy_disk: Ⅴ 数据库 
+## :floppy_disk: 数据库 
 
 - [数据库系统原理](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/数据库系统原理.md)
 - [SQL](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/SQL.md)
 - [Leetcode-Database 题解](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Leetcode-Database%20题解.md)
 - [MySQL](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/MySQL.md)
 - [Redis](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Redis.md)
 
-## :coffee: Ⅵ Java
+## :coffee: Java
 
 - [Java 基础](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Java%20基础.md)
 - [Java 容器](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Java%20容器.md)
 - [Java 并发](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Java%20并发.md)
 - [Java 虚拟机](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Java%20虚拟机.md)
 - [Java I/O](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Java%20IO.md)
 
-## :bulb: Ⅶ 系统设计 
+## :bulb: 系统设计 
 
 - [系统设计基础](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/系统设计基础.md)
 - [分布式](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/分布式.md)
@@ -55,14 +55,14 @@
 - [缓存](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/缓存.md)
 - [消息队列](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/消息队列.md)
 
-## :wrench: Ⅷ 工具 
+## :wrench: 工具 
 
 - [Git](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Git.md)
 - [Docker](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/Docker.md)
 - [构建工具](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/构建工具.md)
 - [正则表达式](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/正则表达式.md)
 
-## :art: Ⅸ 编码实践 
+## :watermelon: 编码实践 
 
 - [代码可读性](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/代码可读性.md)
 - [代码风格规范](https://github.com/CyC2018/CS-Notes/blob/master/docs/notes/代码风格规范.md)