diff --git a/debian/upgrade.sh b/debian/upgrade.sh
index 24c1314..bacea2e 100644
--- a/debian/upgrade.sh
+++ b/debian/upgrade.sh
@@ -5,8 +5,30 @@
 # 使用方法:
 # URL="https://git.1-h.cc/Scripts/Linux/raw/branch/main/debian/upgrade.sh"; curl -fsSL "$URL" | bash || wget -q -O - "$URL" | bash
 
-DEBIAN_FRONTEND=noninteractive &&
-  apt -qq update &&
+# 设置非交互式环境变量
+export DEBIAN_FRONTEND=noninteractive
+export NEEDRESTART_MODE=a
+
+# 安装自动更新
+apt install -y unattended-upgrades
+
+# 配置自动更新并在凌晨2点自动重启
+cat << EOF | tee /etc/apt/apt.conf.d/50unattended-upgrades
+Unattended-Upgrade::Automatic-Reboot "true";
+Unattended-Upgrade::Automatic-Reboot-WithUsers "true";
+Unattended-Upgrade::Automatic-Reboot-Time "02:00";
+EOF
+
+# 配置 needrestart 为非交互式
+cat << EOF | tee /etc/needrestart/conf.d/50noninteractive.conf
+\$nrconf{restart} = 'a';
+\$nrconf{kernelhints} = -1;
+EOF
+
+# 启用自动更新
+dpkg-reconfigure -plow unattended-upgrades
+
+apt -qq update &&
   apt -qq upgrade -y &&
   apt -qq full-upgrade -y &&
   apt -qq autoremove &&
@@ -14,4 +36,4 @@ DEBIAN_FRONTEND=noninteractive &&
   apt clean &&
   systemctl --failed &&
   apt -qq install needrestart -y &&
-  needrestart -q -r l
+  needrestart -q -r a