diff --git a/docs/en_US/guide/pve_kvm.md b/docs/en_US/guide/pve_kvm.md
index 7dbe0f17c1..26589db9dc 100644
--- a/docs/en_US/guide/pve_kvm.md
+++ b/docs/en_US/guide/pve_kvm.md
@@ -120,9 +120,9 @@ qm stop 102
 qm destroy 102
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
@@ -167,9 +167,9 @@ After the setup is completed, you can execute ```cat vmlog``` to view the inform
 for vmid in $(qm list | awk '{if(NR>1) print $1}'); do qm stop $vmid; qm destroy $vmid; rm -rf /var/lib/vz/images/$vmid*; done
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
diff --git a/docs/en_US/guide/pve_lxc.md b/docs/en_US/guide/pve_lxc.md
index 0bc4acfc7b..ee6ea46851 100644
--- a/docs/en_US/guide/pve_lxc.md
+++ b/docs/en_US/guide/pve_lxc.md
@@ -92,9 +92,9 @@ pct destroy 102
 rm -rf ct102
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
@@ -138,9 +138,9 @@ pct list | awk 'NR>1{print $1}' | xargs -I {} sh -c 'pct stop {}; pct destroy {}
 rm -rf ct*
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
diff --git a/docs/guide/pve_kvm.md b/docs/guide/pve_kvm.md
index 8304a137d6..cda91eb705 100644
--- a/docs/guide/pve_kvm.md
+++ b/docs/guide/pve_kvm.md
@@ -135,9 +135,9 @@ qm stop 102
 qm destroy 102
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
@@ -189,9 +189,9 @@ curl -L https://ghproxy.com/https://raw.githubusercontent.com/spiritLHLS/pve/mai
 for vmid in $(qm list | awk '{if(NR>1) print $1}'); do qm stop $vmid; qm destroy $vmid; rm -rf /var/lib/vz/images/$vmid*; done
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
diff --git a/docs/guide/pve_lxc.md b/docs/guide/pve_lxc.md
index 186dc5cdf3..371058242c 100644
--- a/docs/guide/pve_lxc.md
+++ b/docs/guide/pve_lxc.md
@@ -96,9 +96,9 @@ pct destroy 102
 rm -rf ct102
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart
@@ -149,9 +149,9 @@ pct list | awk 'NR>1{print $1}' | xargs -I {} sh -c 'pct stop {}; pct destroy {}
 rm -rf ct*
 iptables -t nat -F
 iptables -t filter -F
-iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -o vmbr0 -j MASQUERADE
+iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j MASQUERADE
 ip6tables -t nat -F
-ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -o vmbr0 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s 2001:db8:1::/64 -j MASQUERADE
 iptables-save > /etc/iptables/rules.v4
 ip6tables-save > /etc/iptables/rules.v6
 service networking restart