diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index d330cd7..e1bdfac 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -113,6 +113,7 @@ if [[ -f "/etc/network/interfaces.d/50-cloud-init" && -f "/etc/network/interface
     fi
     chattr -i /etc/network/interfaces
     cat /etc/network/interfaces.d/50-cloud-init >> /etc/network/interfaces
+    chattr -i /etc/network/interfaces.d/50-cloud-init
     rm /etc/network/interfaces.d/50-cloud-init
     chattr +i /etc/network/interfaces
 fi
@@ -633,4 +634,4 @@ _green "安装完毕，请打开HTTPS网页 $url"
 _green "用户名、密码就是服务器所使用的用户名、密码(如root和root用户的密码)"
 _green "如果登录无误请不要急着重启系统，去执行预配置环境的命令后再重启系统"
 rm -rf /root/reboot_pve.txt
-rm -rf /root/ifupdown2_installed.txt
\ No newline at end of file
+rm -rf /root/ifupdown2_installed.txt