diff --git a/run_onchange_install-packages.sh b/run_onchange_install-packages.sh
index 62b5dbe..4966006 100644
--- a/run_onchange_install-packages.sh
+++ b/run_onchange_install-packages.sh
@@ -6,43 +6,62 @@ set -euo pipefail
 # - 不使用 chezmoi 的 .tmpl 模板语法；通过运行时检测 apt/pacman/dnf。
 # - 脚本尽量保持幂等（包已安装会自动跳过）。
 
-SUDO=""
-if [ "$(id -u)" -ne 0 ]; then
-  if command -v sudo >/dev/null 2>&1; then
-    SUDO="sudo"
-  else
-    echo "需要 sudo 权限才能安装包（当前非 root，且找不到 sudo）。" >&2
-    exit 1
-  fi
-fi
+# 包管理器配置
+PACKAGE_LIST="zoxide exa bat fd fd-find ripgrep btop tldr fzf git vim tmux fish fastfetch thefuck"
+declare -A UPDATE_COMMAND
+declare -A INSTALL_COMMAND
+UPDATE_COMMAND=(
+  [pacman]="pacman -Syu --noconfirm"
+  [apt]="apt update -y || true"
+  [dnf]="dnf makecache -y || true"
+)
+INSTALL_COMMAND=(
+  [pacman]="pacman -S --noconfirm"
+  [apt]="apt install -y"
+  [dnf]="dnf install -y"
+)
 
+# 检查 sudo 权限（假设普通用户运行）
+if ! command -v sudo >/dev/null 2>&1; then
+  echo "需要 sudo 权限才能安装包。" >&2
+  exit 1
+fi
+SUDO="sudo"
+
+# 安装单个包函数
+install_package() {
+  local install_cmd="$1"
+  local package="$2"
+  if $SUDO $install_cmd "$package" >/dev/null 2>&1; then
+    echo "安装 $package: ✓ 成功"
+  else
+    echo "安装 $package: ✗ 跳过"
+  fi
+}
+
+# 安装包函数
+install_packages() {
+  local package_manager="$1"
+  
+  echo "检测到 $package_manager，开始安装包..."
+  echo "更新包..."
+  $SUDO ${UPDATE_COMMAND[$package_manager]}
+  echo "开始安装包..."
+  
+  for package in $PACKAGE_LIST; do
+    install_package "${INSTALL_COMMAND[$package_manager]}" "$package"
+  done
+  
+  echo "$package_manager 包安装完成！"
+}
+
+# 主逻辑：检测包管理器并安装
 if command -v pacman >/dev/null 2>&1; then
-  echo "检测到 pacman，开始安装 Arch/Manjaro 包..."
-  echo "更新系统包..."
-  $SUDO pacman -Syu --noconfirm
-  echo "安装 Bash 常用命令增强/替代工具..."
-  $SUDO pacman -S --noconfirm zoxide exa bat fd ripgrep btop tldr fzf
-  echo "安装其他常用工具..."
-  $SUDO pacman -S --noconfirm git vim tmux fish fastfetch thefuck
-  echo "Arch/Manjaro 包安装完成！"
+  install_packages "pacman"
 elif command -v apt >/dev/null 2>&1; then
-  echo "检测到 apt，开始安装 Debian/Ubuntu 包..."
-  echo "更新包索引..."
-  $SUDO apt update -y || true
-  echo "安装 Bash 常用命令增强/替代工具..."
-  $SUDO apt install -y zoxide exa bat fd-find ripgrep btop tldr fzf
-  echo "安装其他常用工具..."
-  $SUDO apt install -y git vim tmux fish fastfetch thefuck
-  echo "Debian/Ubuntu 包安装完成！"
+  install_packages "apt"
 elif command -v dnf >/dev/null 2>&1; then
-  echo "检测到 dnf，开始安装 Fedora 包..."
-  echo "更新包元数据..."
-  $SUDO dnf makecache -y || true
-  echo "安装 Bash 常用命令增强/替代工具..."
-  $SUDO dnf install -y zoxide exa bat fd-find ripgrep btop tldr fzf
-  echo "安装其他常用工具..."
-  $SUDO dnf install -y git vim tmux fish fastfetch thefuck
-  echo "Fedora 包安装完成！"
+  install_packages "dnf"
 else
   echo "未检测到 apt / pacman / dnf，跳过安装。" >&2
 fi