diff --git a/scripts/build_nat_network.sh b/scripts/build_nat_network.sh
index 9768d55..d527409 100644
--- a/scripts/build_nat_network.sh
+++ b/scripts/build_nat_network.sh
@@ -116,6 +116,18 @@ iface vmbr0 inet static
     bridge_stp off
     bridge_fd 0
 EOF
+elif [ -f "/root/iface_auto.txt" ]; then
+cat << EOF | sudo tee -a "$interfaces_file"
+auto vmbr0
+iface vmbr0 inet static
+    address $ipv4_address
+    gateway $gateway
+    bridge_ports $interface
+    bridge_stp off
+    bridge_fd 0
+
+iface eth0 inet6 auto
+EOF
 else
 cat << EOF | sudo tee -a "$interfaces_file"
 auto vmbr0
@@ -162,7 +174,7 @@ if grep -q "^net.ipv4.ip_forward=1" /etc/sysctl.conf; then
     sed -i 's/^#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf
   fi
 else
-  echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
+    echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
 fi
 ${sysctl_path} -p
 
diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index 2db989b..53df035 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # from 
 # https://github.com/spiritLHLS/pve
-# 2023.06.25
+# 2023.06.26
 
 cd /root >/dev/null 2>&1
 _red() { echo -e "\033[31m\033[01m$@\033[0m"; }
@@ -168,14 +168,7 @@ do
         if [ -n "$matches" ]; then
             # SLAAC动态分配，做无IPV6的处理
             sed -i "/iface $interface inet6 auto/d" $1
-            # cdn_urls=("https://cdn.spiritlhl.workers.dev/" "https://cdn3.spiritlhl.net/" "https://cdn1.spiritlhl.net/" "https://ghproxy.com/" "https://cdn2.spiritlhl.net/")
-            # check_cdn_file
-            # wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/extra_scripts/configure_network.sh -O /usr/local/bin/configure_network.sh
-            # wget ${cdn_success_url}https://raw.githubusercontent.com/spiritLHLS/pve/main/extra_scripts/configure_network.service -O /etc/systemd/system/configure_network.service
-            # chmod 777 /usr/local/bin/configure_network.sh
-            # chmod 777 /etc/systemd/system/configure_network.service
-            # systemctl daemon-reload
-            # systemctl enable configure_network.service
+            echo "$interface" > "/root/iface_auto.txt"
         else
             # 将 "auto" 替换为 "static"
             modified_line="${line/auto/static}"