diff --git a/Software/Applications/Firewall/使用_firewalld_构建_Linux_动态防火墙.md b/Software/Applications/Firewall/使用_firewalld_构建_Linux_动态防火墙.md
index 909bcd8..533b7fb 100644
--- a/Software/Applications/Firewall/使用_firewalld_构建_Linux_动态防火墙.md
+++ b/Software/Applications/Firewall/使用_firewalld_构建_Linux_动态防火墙.md
@@ -2,23 +2,29 @@
 
 ## 开启/关闭 firewalld 防火墙
 
-    systemctl enable firewalld.service
-    systemctl start firewalld.service
-    systemctl stop firewalld.service
+```bash
+sudo systemctl enable firewalld.service
+sudo systemctl start firewalld.service
+sudo systemctl stop firewalld.service
+```
 
 ## 设置防火墙规则
 
 添加/删除/查询服务命令如下：
 
-    firewall-cmd --permanent --add-port=8080/tcp
-    firewall-cmd --permanent --remove-port=8080/udp
-    firewall-cmd --query-port=8080/tcp
+```bash
+sudo firewall-cmd --permanent --add-port=8080/tcp
+sudo firewall-cmd --permanent --remove-port=8080/udp
+sudo firewall-cmd --query-port=8080/tcp
+```
 
 添加/删除/查询端口命令如下：
 
-    firewall-cmd --permanent --add-service=ssh
-    firewall-cmd --permanent --remove-service=samba
-    firewall-cmd --query-service=ssh
+```bash
+sudo firewall-cmd --permanent --add-service=ssh
+sudo firewall-cmd --permanent --remove-service=samba
+sudo firewall-cmd --query-service=ssh
+```
 
 参数 --permanent 表示进行的是永久性配置（默认为临时配置，重启后失效）。
 
@@ -26,4 +32,6 @@
 
 修改规则后需要重启防火墙，使配置生效：
 
-    firewall-cmd --reload
+```bash
+sudo firewall-cmd --reload
+```