diff --git a/build.sh b/build.sh
index 7149b24..52329f0 100755
--- a/build.sh
+++ b/build.sh
@@ -1,13 +1,62 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -euo pipefail
 
+# 切换到脚本所在目录，保证相对路径正确
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+echo "工作目录：$PWD"
+
+# 选择可用的 Python（优先 python3）
+if command -v python3 >/dev/null 2>&1; then
+	PYTHON_CMD=python3
+elif command -v python >/dev/null 2>&1; then
+	PYTHON_CMD=python
+else
+	echo "未找到 Python 可执行文件，请先安装 Python 3。" >&2
+	exit 1
+fi
+
+# 如果没有 venv 或 venv 不完整则创建
+if [ -d "venv" ] && [ -x "venv/bin/python" ]; then
+	echo "虚拟环境已存在，激活中..."
+else
+	echo "未检测到虚拟环境，使用 $PYTHON_CMD 创建 venv..."
+	$PYTHON_CMD -m venv venv
+fi
+
+# 激活虚拟环境
+# shellcheck source=/dev/null
 source venv/bin/activate
-# 安装打包工具 PyInstaller
-# pip install pyinstaller
+
+echo "虚拟环境已激活：$(which python) ($(python --version 2>&1))"
+
+# 升级基础打包工具
+pip install --upgrade pip setuptools wheel
+
+# 如果存在 requirements.txt，则按文件安装；否则安装默认依赖
+if [ -f "requirements.txt" ]; then
+	echo "检测到 requirements.txt，安装依赖..."
+	pip install -r requirements.txt
+else
+	DEFAULT_PKGS=(pyinstaller)
+	echo "未找到 requirements.txt，检查并安装默认依赖：${DEFAULT_PKGS[*]}"
+	for pkg in "${DEFAULT_PKGS[@]}"; do
+		if pip show "$pkg" >/dev/null 2>&1; then
+			echo "$pkg 已安装"
+		else
+			echo "正在安装 $pkg ..."
+			pip install "$pkg"
+		fi
+	done
+fi
 
 # 清理旧的构建文件
-rm -rf build dist fan.spec
+echo "清理旧的构建产物..."
+rm -rf build dist fan.spec || true
 
-# 将 fan.py 打包为单文件可执行程序
+# 使用 PyInstaller 打包
+echo "开始打包 fan.py ..."
 pyinstaller --onefile fan.py
 
-echo "打包完成！可执行文件位于 dist/fan"
+echo "打包完成！可执行文件位于 dist/ (查看 dist/ 目录获取文件名)"
diff --git a/die_loop.py b/burning_test/die_loop.py
similarity index 100%
rename from die_loop.py
rename to burning_test/die_loop.py
diff --git a/mat_cal.py b/burning_test/mat_cal.py
similarity index 100%
rename from mat_cal.py
rename to burning_test/mat_cal.py
diff --git a/install.sh b/install_to_systemd.sh
similarity index 100%
rename from install.sh
rename to install_to_systemd.sh
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f4412ee
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+pigpio
+pyinstaller
\ No newline at end of file