diff --git a/README.md b/README.md
index 561940b78fb69eed99b13b953e16114ece1f7bf6..69dd62a11e87214883bc79af00b59ea700b663da 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,8 @@
 
 * [MySQL 学习与面试](docs/database/MySQL.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)
+* [MySQL高性能优化规范建议](docs/database/MySQL高性能优化规范建议.md)
+* [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)
 * [一条SQL语句在MySQL中如何执行的](docs/database/一条sql语句在mysql中如何执行的.md)