diff --git a/source/_posts/Linux.md b/source/_posts/Linux.md
index 7692d34..e6682dc 100644
--- a/source/_posts/Linux.md
+++ b/source/_posts/Linux.md
@@ -466,6 +466,12 @@ echo 'Hello, World!'
 yum install -y wget && mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo && yum clean all && yum makecache
 ```
 
+## dnf
+
+
+
+
+
 ## 安装MySQL
 
 有些Linux会自带MariaDB数据库，所以需要先卸载