diff --git a/how_to_use_mysql/readme.md b/how_to_use_mysql/readme.md
index c82f130..948c276 100644
--- a/how_to_use_mysql/readme.md
+++ b/how_to_use_mysql/readme.md
@@ -1,6 +1,6 @@
 # mysql 安装教程
 
-## 参考教程 https://blog.csdn.net/dengjin20104042056/article/details/132791590
+### 参考教程 https://blog.csdn.net/dengjin20104042056/article/details/132791590
 
 1. 找到MySQL安装文件，下载此仓库再“software”中找到"mysql-installer-web-community-8.0.29.0.msi"，
 2. 按照以下步骤安装配置