diff --git a/README.md b/README.md
index 4a94b455..3876909a 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,8 @@
 ## :floppy_disk: 数据库
 
 - [数据库系统原理](https://github.com/CyC2018/CS-Notes/blob/master/notes/数据库系统原理.md)
-- [SQL](https://github.com/CyC2018/CS-Notes/blob/master/notes/SQL.md)
-- [Leetcode-Database 题解](https://github.com/CyC2018/CS-Notes/blob/master/notes/Leetcode-Database%20题解.md)
+- [SQL 语法](https://github.com/CyC2018/CS-Notes/blob/master/notes/SQL%20语法.md)
+- [SQL 练习](https://github.com/CyC2018/CS-Notes/blob/master/notes/SQL%20练习.md)
 - [MySQL](https://github.com/CyC2018/CS-Notes/blob/master/notes/MySQL.md)
 - [Redis](https://github.com/CyC2018/CS-Notes/blob/master/notes/Redis.md)