diff --git a/CHANGELOG.md b/CHANGELOG.md
index eba0428..15b6015 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # 更新日志
 
+2023.08.26
+
+- 修复开设NAT网关时，vmbr0如果不存在就去补全时的漏洞，尝试支持第一第二步安装PVE不使用本仓库脚本的PVE创建NAT网关
+- 给IPV6的识别增加ping检测，如果ping不通当作IPV6不通，避免有的商家设置的IPV6本身就有问题根本用不了还配置，导致安装出问题
+
 2023.08.23
 
 - ndppd增加ARM架构的支持
diff --git a/README.md b/README.md
index e1f2c5a..186a8ff 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,9 @@
 
 ## 更新
 
-2023.08.26
+2023.08.27
 
-- 修复开设NAT网关时，vmbr0如果不存在就去补全时的漏洞，尝试支持第一第二步安装PVE不使用本仓库脚本的PVE创建NAT网关
-- 给IPV6的识别增加ping检测，如果ping不通当作IPV6不通，避免有的商家设置的IPV6本身就有问题根本用不了还配置，导致安装出问题
+- 将删除物理网关的操作移动到创建vmbr0之前，而不是原来的创建vmbr1之前
 
 [更新日志](CHANGELOG.md)
 
diff --git a/scripts/build_nat_network.sh b/scripts/build_nat_network.sh
index bf1c4b1..c40e55d 100644
--- a/scripts/build_nat_network.sh
+++ b/scripts/build_nat_network.sh
@@ -357,26 +357,28 @@ if [ -f "/usr/local/bin/ndpresponder" ]; then
 fi
 
 # 删除可能存在的原有的网卡配置
-cp /etc/network/interfaces /etc/network/interfaces_nat.bak
-chattr -i /etc/network/interfaces
-input_file="/etc/network/interfaces"
-output_file="/etc/network/interfaces.tmp"
-start_pattern="iface lo inet loopback"
-end_pattern="auto vmbr0"
-delete_lines=0
-while IFS= read -r line; do
-    if [[ $line == *"$start_pattern"* ]]; then
-        delete_lines=1
-    fi
-    if [ $delete_lines -eq 0 ] || [[ $line == *"$start_pattern"* ]] || [[ $line == *"$end_pattern"* ]]; then
-        echo "$line" >>"$output_file"
-    fi
-    if [[ $line == *"$end_pattern"* ]]; then
-        delete_lines=0
-    fi
-done <"$input_file"
-mv "$output_file" "$input_file"
-chattr +i /etc/network/interfaces
+if [ ! -f /etc/network/interfaces_nat.bak ]; then
+    cp /etc/network/interfaces /etc/network/interfaces_nat.bak
+    chattr -i /etc/network/interfaces
+    input_file="/etc/network/interfaces"
+    output_file="/etc/network/interfaces.tmp"
+    start_pattern="iface lo inet loopback"
+    end_pattern="auto vmbr0"
+    delete_lines=0
+    while IFS= read -r line; do
+        if [[ $line == *"$start_pattern"* ]]; then
+            delete_lines=1
+        fi
+        if [ $delete_lines -eq 0 ] || [[ $line == *"$start_pattern"* ]] || [[ $line == *"$end_pattern"* ]]; then
+            echo "$line" >>"$output_file"
+        fi
+        if [[ $line == *"$end_pattern"* ]]; then
+            delete_lines=0
+        fi
+    done <"$input_file"
+    mv "$output_file" "$input_file"
+    chattr +i /etc/network/interfaces
+fi
 
 # 已加载网络，删除对应缓存文件
 if [ -f "/etc/network/interfaces.new" ]; then
diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index a62541b..258327d 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -802,9 +802,9 @@ if [ ! -f /usr/local/bin/pve_ipv6_prefixlen ] || [ ! -s /usr/local/bin/pve_ipv6_
 fi
 if [ ! -f /usr/local/bin/pve_ipv6_gateway ] || [ ! -s /usr/local/bin/pve_ipv6_gateway ] || [ "$(sed -e '/^[[:space:]]*$/d' /usr/local/bin/pve_ipv6_gateway)" = "" ]; then
     ipv6_gateway=$(ip -6 route show | awk '/default via/{print $3}' | head -n1)
-    if [[ "${ipv6_gateway: -2}" == "::" ]]; then
-        ipv6_gateway="${ipv6_gateway}0000"
-    fi
+    # if [[ "${ipv6_gateway: -2}" == "::" ]]; then
+    #     ipv6_gateway="${ipv6_gateway}0000"
+    # fi
     echo "$ipv6_gateway" >/usr/local/bin/pve_ipv6_gateway
 fi
 ipv6_address=$(cat /usr/local/bin/pve_check_ipv6)
@@ -1205,7 +1205,7 @@ iface vmbr0 inet static
     bridge_fd 0
 
 iface vmbr0 inet6 static
-        address ${ipv6_address_without_last_segment}/128
+        address ${ipv6_address_without_last_segment}:1/128
         gateway ${ipv6_gateway}
 EOF
     fi
@@ -1239,6 +1239,28 @@ if [ ! -s "/etc/resolv.conf" ]; then
     fi
 fi
 
+# 删除可能存在的原有的网卡配置
+cp /etc/network/interfaces /etc/network/interfaces_nat.bak
+chattr -i /etc/network/interfaces
+input_file="/etc/network/interfaces"
+output_file="/etc/network/interfaces.tmp"
+start_pattern="iface lo inet loopback"
+end_pattern="auto vmbr0"
+delete_lines=0
+while IFS= read -r line; do
+    if [[ $line == *"$start_pattern"* ]]; then
+        delete_lines=1
+    fi
+    if [ $delete_lines -eq 0 ] || [[ $line == *"$start_pattern"* ]] || [[ $line == *"$end_pattern"* ]]; then
+        echo "$line" >>"$output_file"
+    fi
+    if [[ $line == *"$end_pattern"* ]]; then
+        delete_lines=0
+    fi
+done <"$input_file"
+mv "$output_file" "$input_file"
+chattr +i /etc/network/interfaces
+
 # 安装必备模块并替换apt源中的无效订阅
 cp /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.bak
 # echo "deb http://download.proxmox.com/debian/pve $(lsb_release -sc) pve-no-subscription" > /etc/apt/sources.list.d/pve-enterprise.list