diff --git a/2.修改主机名.md b/2.修改主机名.md
index dceefa0..51593b5 100644
--- a/2.修改主机名.md
+++ b/2.修改主机名.md
@@ -12,8 +12,14 @@ cat /etc/sysconfig/network
 hostname hy-node1
 # 修改文件永久生效
 vi /etc/hostname
+
+hy-node6
+# localhost.localdomain
+```
+```
 # 绑定ip
 vi /etc/hosts
+
 192.168.1.116 hy-node1 hy-node1.com
 192.168.1.117 hy-node2
 192.168.1.118 hy-node3