diff --git a/docs/en/guide/pve/pve_kvm.md b/docs/en/guide/pve/pve_kvm.md
index 563893b482..a63fb028f3 100644
--- a/docs/en/guide/pve/pve_kvm.md
+++ b/docs/en/guide/pve/pve_kvm.md
@@ -163,13 +163,31 @@ After the setup is completed, you can execute ```cat vmlog``` to view the inform
 
 ```shell
 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
-service networking restart
-systemctl restart networking.service
-systemctl restart ndpresponder.service
-iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
-iptables-save > /etc/iptables/rules.v4
+if command -v nft >/dev/null 2>&1; then
+  for family in ip ip6 inet; do
+    for table in nat filter; do
+      nft list table "$family" "$table" >/dev/null 2>&1 && nft flush table "$family" "$table"
+    done
+  done
+fi
+if command -v iptables >/dev/null 2>&1; then
+  iptables -t nat -F 2>/dev/null || true
+  iptables -t filter -F 2>/dev/null || true
+fi
+if command -v ip6tables >/dev/null 2>&1; then
+  ip6tables -t nat -F 2>/dev/null || true
+  ip6tables -t filter -F 2>/dev/null || true
+fi
+if command -v systemctl >/dev/null 2>&1; then
+  systemctl restart networking.service 2>/dev/null || service networking restart
+  systemctl list-unit-files | grep -q '^ndpresponder.service' && systemctl restart ndpresponder.service
+else
+  service networking restart
+fi
+if command -v iptables-save >/dev/null 2>&1 && command -v iptables-restore >/dev/null 2>&1; then
+  iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
+  iptables-save > /etc/iptables/rules.v4
+fi
 rm -rf vmlog
 rm -rf vm*
 ```
diff --git a/docs/en/guide/pve/pve_lxc.md b/docs/en/guide/pve/pve_lxc.md
index fec27ab91d..8a5237b6fd 100644
--- a/docs/en/guide/pve/pve_lxc.md
+++ b/docs/en/guide/pve/pve_lxc.md
@@ -179,16 +179,32 @@ After the setup is complete, you can execute ```cat ctlog``` to view the informa
 ```shell
 pct list | awk 'NR>1{print $1}' | xargs -I {} sh -c 'pct stop {}; pct destroy {}'
 rm -rf ct*
-iptables -t nat -F
-iptables -t filter -F
-ip6tables -t nat -F
-ip6tables -t filter -F
+if command -v nft >/dev/null 2>&1; then
+	for family in ip ip6 inet; do
+		for table in nat filter; do
+			nft list table "$family" "$table" >/dev/null 2>&1 && nft flush table "$family" "$table"
+		done
+	done
+fi
+if command -v iptables >/dev/null 2>&1; then
+	iptables -t nat -F 2>/dev/null || true
+	iptables -t filter -F 2>/dev/null || true
+fi
+if command -v ip6tables >/dev/null 2>&1; then
+	ip6tables -t nat -F 2>/dev/null || true
+	ip6tables -t filter -F 2>/dev/null || true
+fi
 rm -rf /usr/local/bin/ipv6_nat_rules.sh
-service networking restart
-systemctl restart networking.service
-systemctl restart ndpresponder.service
-iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
-iptables-save > /etc/iptables/rules.v4
+if command -v systemctl >/dev/null 2>&1; then
+	systemctl restart networking.service 2>/dev/null || service networking restart
+	systemctl list-unit-files | grep -q '^ndpresponder.service' && systemctl restart ndpresponder.service
+else
+	service networking restart
+fi
+if command -v iptables-save >/dev/null 2>&1 && command -v iptables-restore >/dev/null 2>&1; then
+	iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
+	iptables-save > /etc/iptables/rules.v4
+fi
 ```
 
 ## Creating Virtual Machines with Pure IPv6 Addresses
diff --git a/docs/guide/pve/pve_kvm.md b/docs/guide/pve/pve_kvm.md
index b1084e130a..6ca70ff18d 100644
--- a/docs/guide/pve/pve_kvm.md
+++ b/docs/guide/pve/pve_kvm.md
@@ -194,13 +194,31 @@ curl -L https://cdn.spiritlhl.net/https://raw.githubusercontent.com/oneclickvirt
 
 ```shell
 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
-service networking restart
-systemctl restart networking.service
-systemctl restart ndpresponder.service
-iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
-iptables-save > /etc/iptables/rules.v4
+if command -v nft >/dev/null 2>&1; then
+  for family in ip ip6 inet; do
+    for table in nat filter; do
+      nft list table "$family" "$table" >/dev/null 2>&1 && nft flush table "$family" "$table"
+    done
+  done
+fi
+if command -v iptables >/dev/null 2>&1; then
+  iptables -t nat -F 2>/dev/null || true
+  iptables -t filter -F 2>/dev/null || true
+fi
+if command -v ip6tables >/dev/null 2>&1; then
+  ip6tables -t nat -F 2>/dev/null || true
+  ip6tables -t filter -F 2>/dev/null || true
+fi
+if command -v systemctl >/dev/null 2>&1; then
+  systemctl restart networking.service 2>/dev/null || service networking restart
+  systemctl list-unit-files | grep -q '^ndpresponder.service' && systemctl restart ndpresponder.service
+else
+  service networking restart
+fi
+if command -v iptables-save >/dev/null 2>&1 && command -v iptables-restore >/dev/null 2>&1; then
+  iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
+  iptables-save > /etc/iptables/rules.v4
+fi
 rm -rf vmlog
 rm -rf vm*
 ```
diff --git a/docs/guide/pve/pve_lxc.md b/docs/guide/pve/pve_lxc.md
index 943546ff77..a230f7de3f 100644
--- a/docs/guide/pve/pve_lxc.md
+++ b/docs/guide/pve/pve_lxc.md
@@ -197,16 +197,32 @@ curl -L https://cdn.spiritlhl.net/https://raw.githubusercontent.com/oneclickvirt
 ```shell
 pct list | awk 'NR>1{print $1}' | xargs -I {} sh -c 'pct stop {}; pct destroy {}'
 rm -rf ct*
-iptables -t nat -F
-iptables -t filter -F
-ip6tables -t nat -F
-ip6tables -t filter -F
+if command -v nft >/dev/null 2>&1; then
+	for family in ip ip6 inet; do
+		for table in nat filter; do
+			nft list table "$family" "$table" >/dev/null 2>&1 && nft flush table "$family" "$table"
+		done
+	done
+fi
+if command -v iptables >/dev/null 2>&1; then
+	iptables -t nat -F 2>/dev/null || true
+	iptables -t filter -F 2>/dev/null || true
+fi
+if command -v ip6tables >/dev/null 2>&1; then
+	ip6tables -t nat -F 2>/dev/null || true
+	ip6tables -t filter -F 2>/dev/null || true
+fi
 rm -rf /usr/local/bin/ipv6_nat_rules.sh
-service networking restart
-systemctl restart networking.service
-systemctl restart ndpresponder.service
-iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
-iptables-save > /etc/iptables/rules.v4
+if command -v systemctl >/dev/null 2>&1; then
+	systemctl restart networking.service 2>/dev/null || service networking restart
+	systemctl list-unit-files | grep -q '^ndpresponder.service' && systemctl restart ndpresponder.service
+else
+	service networking restart
+fi
+if command -v iptables-save >/dev/null 2>&1 && command -v iptables-restore >/dev/null 2>&1; then
+	iptables-save | awk '{if($1=="COMMIT"){delete x}}$1=="-A"?!x[$0]++:1' | iptables-restore
+	iptables-save > /etc/iptables/rules.v4
+fi
 ```
 
 ## 开设纯IPV6地址的虚拟机