diff --git a/数据库/基础/3.mysql高性能索引.md b/数据库/基础/3.mysql高性能索引.md
index fc45bce..dc31733 100644
--- a/数据库/基础/3.mysql高性能索引.md
+++ b/数据库/基础/3.mysql高性能索引.md
@@ -1,7 +1,7 @@
 ---
 id: "20190422"
 date: "2019/04/22 09:48"
-title: "如何高效利于mysql索引"
+title: "如何高效利用mysql索引"
 tags: ["mysql", "index", "高性能"]
 categories:
   - "数据库"