diff --git a/README.md b/README.md
index 490dd611..fda9adc1 100644
--- a/README.md
+++ b/README.md
@@ -145,8 +145,9 @@
 ### MySQL
 
 * [MySQL 学习与面试](docs/database/MySQL.md)
-* [【思维导图-索引篇】搞定数据库索引就是这么简单](docs/database/MySQL%20Index.md)
 * [一千行MySQL学习笔记](docs/database/一千行MySQL命令.md)
+* [【思维导图-索引篇】搞定数据库索引就是这么简单](docs/database/MySQL%20Index.md)
+* [事务隔离级别(图文详解)](docs/database/事务隔离级别(图文详解).md)
 
 ### Redis