diff --git a/back/pve6_to_pve7.sh b/back/pve6_to_pve7.sh
index 2650ebf..cd0b144 100644
--- a/back/pve6_to_pve7.sh
+++ b/back/pve6_to_pve7.sh
@@ -8,21 +8,14 @@ _green() { echo -e "\033[32m\033[01m$@\033[0m"; }
 _yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
 _blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
 
-# 删除企业源
-rm -rf /etc/apt/sources.list.d/pve-enterprise.list
-
-# 检测是否可升级
-output=$(pve6to7)
-if echo "$output" | grep -q "FAILURES: 0" > /dev/null 2>&1; then
-  _green "支持升级PVE7"
-else
-  echo "$output"
-  _red "不支持升级PVE7"
-  exit 1
+# 检查是否为 root 用户
+if [ "$(id -u)" != "0" ]; then
+    echo "请使用 root 用户执行脚本"
+    exit 1
 fi
 
-# 升级PVE7
-apt update && apt dist-upgrade -y
+# 删除企业源
+rm -rf /etc/apt/sources.list.d/pve-enterprise.list
 
 # 卸载无关内核
 current_kernel=$(uname -r)
@@ -31,17 +24,52 @@ installed_kernels=$(dpkg -l | grep -E 'linux-(image|headers)-[0-9]+' | grep -v "
 if [ -z "$installed_kernels" ]; then
   _blue "无闲置的内核"
 else
-  _yellow "Uninstalling unused kernels..."
+  _yellow "卸载闲置内核..."
   for kernel in $installed_kernels; do
-    _yellow "Uninstalling kernel: $kernel"
+    _yellow "卸载内核: $kernel"
     dpkg --purge --force-remove-essential $kernel
     apt-get remove -y $kernel > /dev/null 2>&1
   done
   _green "闲置内核已卸载完毕"
 fi
 
-# 升级内核
-update-grub
+# 检查 PVE 版本是否为最新版本
+if ! [ "$(pveversion -v)" = "$(pveversion -r)" ]; then
+    _yellow "当前 PVE 版本不是最新版本，尝试升级到最新版本"
+    apt-get update && apt-get dist-upgrade -y
+    if [ $? -ne 0 ]; then
+        _red "升级 PVE 失败，请检查网络或源配置"
+        exit 1
+    else
+        _green "PVE 升级到最新版本成功"
+    fi
+fi
 
-# 打印信息
-_green "请执行reboot启用新内核"
+# 检查 PVE 是否可以升级
+if ! pve6to7 --check | grep -q "FAILURES: 0"; then
+    _red "检测到 PVE 升级存在问题，请先解决问题后再执行升级"
+    exit 1
+fi
+
+# 检查是否为 Debian 11
+if ! [ "$(lsb_release -cs)" = "bullseye" ]; then
+    _yellow "当前不是 Debian 11，尝试升级到 Debian 11"
+    sed -i 's/buster/bullseye/g' /etc/apt/sources.list
+    apt-get update && apt-get dist-upgrade -y
+    if [ $? -ne 0 ]; then
+        _red "升级 Debian 11 失败，请检查网络或源配置"
+        exit 1
+    else
+        _green "Debian 升级到 11 成功"
+    fi
+fi
+
+# 升级 PVE
+_yellow "升级 PVE ..."
+apt-get update && apt-get dist-upgrade -y
+if [ $? -ne 0 ]; then
+    _red "升级 PVE 失败，请检查网络或源配置"
+    exit 1
+else
+    _green "PVE 升级成功，请重启系统以应用更改"
+fi