diff --git a/Software/Applications/SSH/Linux_SSH_服务的安装和使用.md b/Software/Applications/SSH/Linux_SSH_服务的安装和使用.md
index cb0c3f0..e091797 100644
--- a/Software/Applications/SSH/Linux_SSH_服务的安装和使用.md
+++ b/Software/Applications/SSH/Linux_SSH_服务的安装和使用.md
@@ -120,11 +120,11 @@ UsePAM yes
 
 ```bash
 # 开机自运行
-systemctrl enable sshd.service
+systemctl enable sshd.service
 # 启动 sshd 服务
-systemctrl start sshd.service
+systemctl start sshd.service
 # 查看 sshd 服务状态
-systemctrl status sshd.service
+systemctl status sshd.service
 # 或（ubuntu12）
 /etc/init.d/ssh restart
 ```