更新网卡配置代码

5.PVE制作虚拟机模板.md

@@ -130,12 +130,13 @@ sudo nano /etc/network/interfaces
 
 ```bash
 ## 网卡配置文件示例
-
+···
 # Cloud images dynamically generate config fragments for newly
 # attached interfaces. See /etc/udev/rules.d/75-cloud-ifupdown.rules
 # and /etc/network/cloud-ifupdown-helper. Dynamically generated
 # configuration fragments are stored in /run:
 # source-directory /run/network/interfaces.d    ## 在这行前面增加注释符 # 来注释
+···
 ```
 
 将配置保存后，可以将模板虚拟机重启。