diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..505a3b1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+# Python-generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# Virtual environments
+.venv
diff --git a/myscripts/working_tool.py b/myscripts/working_tool.py
new file mode 100644
index 0000000..bce5ecb
--- /dev/null
+++ b/myscripts/working_tool.py
@@ -0,0 +1,296 @@
+#!/usr/bin/env python3
+import os
+import zipfile
+import hashlib
+import requests
+import tempfile
+import json
+
+# 存储上次上传的信息
+LAST_UPLOAD_FILE = '.last_upload.json'
+
+
+def get_file_hash(file_path):
+    """计算文件的MD5哈希值"""
+    hash_md5 = hashlib.md5()
+    with open(file_path, 'rb') as f:
+        for chunk in iter(lambda: f.read(4096), b''):
+            hash_md5.update(chunk)
+    return hash_md5.hexdigest()
+
+
+def get_working_files():
+    """从环境变量WORKING_FILES获取要打包的文件列表"""
+    working_files_env = os.environ.get('WORKING_FILES', '')
+    working_dir = os.environ.get('WORKING_DIR', '.')
+    
+    # 确保WORKING_DIR是绝对路径
+    if not os.path.isabs(working_dir):
+        working_dir = os.path.abspath(working_dir)
+    
+    if not working_files_env:
+        return []
+    
+    working_files = []
+    for item in working_files_env.split(','):
+        item = item.strip()
+        if not item:
+            continue
+        
+        # 检查是否为相对路径，不能包含..
+        if os.path.isabs(item) or '..' in item:
+            raise ValueError(f"Invalid path '{item}': must be relative path without '..'")
+        
+        # 构建完整路径
+        full_path = os.path.join(working_dir, item)
+        
+        if os.path.isfile(full_path):
+            working_files.append(full_path)
+        elif os.path.isdir(full_path):
+            # 递归获取目录下的所有文件
+            for root, _, files in os.walk(full_path):
+                for file in files:
+                    working_files.append(os.path.join(root, file))
+    
+    return working_files
+
+
+def check_files_modified(working_files):
+    """检查工作空间文件是否有修改"""
+    # 计算当前文件的哈希值总和
+    current_hashes = {}
+    for file_path in working_files:
+        if os.path.exists(file_path):
+            current_hashes[file_path] = get_file_hash(file_path)
+    
+    # 读取上次的哈希值
+    if os.path.exists(LAST_UPLOAD_FILE):
+        with open(LAST_UPLOAD_FILE, 'r') as f:
+            last_data = json.load(f)
+        
+        # 比较哈希值
+        if last_data['hashes'] == current_hashes:
+            cached_url = last_data['download_url']
+            
+            # 检查cached_url是否为JSON格式
+            if isinstance(cached_url, str) and cached_url.startswith('{') and cached_url.endswith('}'):
+                try:
+                    # 如果是JSON，解析出downloadLink
+                    cached_data = json.loads(cached_url)
+                    download_url = cached_data.get('downloadLink', cached_url)
+                    return False, download_url
+                except json.JSONDecodeError:
+                    # 如果解析失败，使用原始URL
+                    pass
+            
+            return False, cached_url
+    
+    return True, None
+
+
+def upload_to_tmpfile(zip_path):
+    """将ZIP文件上传到tmpfile.link并返回下载链接"""
+    try:
+        with open(zip_path, 'rb') as f:
+            response = requests.post(
+                'https://tmpfile.link/api/upload',
+                files={'file': f}
+            )
+        
+        response.raise_for_status()
+        response_text = response.text.strip()
+        
+        # 确保返回的是纯URL，不是JSON
+        if response_text.startswith('{') and response_text.endswith('}'):
+            # 是JSON格式，解析出downloadLink
+            data = json.loads(response_text)
+            download_url = data.get('downloadLink', '')
+            if download_url:
+                return download_url
+            else:
+                # 如果没有downloadLink，返回原始文本
+                return response_text
+        else:
+            # 不是JSON，直接返回文本
+            return response_text
+    except (requests.exceptions.RequestException, ValueError) as e:
+        raise Exception(f"Failed to upload to tmpfile.link: {str(e)}")
+
+
+def download_and_extract(download_url, extract_dir='.', password=None):
+    """从下载链接下载ZIP文件并解压到指定目录"""
+    try:
+        # 确保解压目录存在
+        os.makedirs(extract_dir, exist_ok=True)
+        
+        # 下载ZIP文件到临时目录
+        with tempfile.NamedTemporaryFile(suffix='.zip', delete=False) as tmp:
+            zip_path = tmp.name
+        
+        print(f"Downloading from {download_url}...")
+        response = requests.get(download_url, stream=True)
+        response.raise_for_status()
+        
+        with open(zip_path, 'wb') as f:
+            for chunk in response.iter_content(chunk_size=8192):
+                if chunk:
+                    f.write(chunk)
+        
+        print(f"Extracting to {extract_dir}...")
+        
+        # 从环境变量获取密码，优先使用环境变量
+        env_password = os.environ.get('ZIP_PASSWORD')
+        if env_password:
+            password = env_password
+        
+        # 优先使用Python内置的zipfile模块
+        try:
+            with zipfile.ZipFile(zip_path, 'r') as zipf:
+                if password:
+                    zipf.extractall(extract_dir, pwd=password.encode())
+                else:
+                    zipf.extractall(extract_dir)
+        except Exception as e:
+            # 如果内置模块失败，尝试使用7zip（如果可用）
+            try:
+                import subprocess
+                subprocess.run(['7z', '--help'], check=True, capture_output=True)
+                # 使用7zip解压
+                cmd = ['7z', 'x', '-y', '-o' + extract_dir]
+                if password:
+                    cmd.extend(['-p' + password])
+                cmd.append(zip_path)
+                
+                subprocess.run(cmd, check=True, capture_output=True)
+            except (subprocess.CalledProcessError, FileNotFoundError):
+                # 如果7zip也不可用，抛出原始错误
+                raise e
+        
+        print(f"Download and extraction completed successfully.")
+        return True
+    except (requests.exceptions.RequestException, zipfile.BadZipFile, IOError, Exception) as e:
+        raise Exception(f"Failed to download and extract: {str(e)}")
+    finally:
+        # 清理临时文件
+        if 'zip_path' in locals() and os.path.exists(zip_path):
+            os.unlink(zip_path)
+
+
+def upload_working_files(password=None):
+    """将工作空间文件打包成ZIP并上传到tmpfile，返回下载链接"""
+    # 从环境变量获取密码，优先使用环境变量
+    env_password = os.environ.get('ZIP_PASSWORD')
+    if env_password:
+        password = env_password
+    
+    # 获取要打包的文件列表
+    working_files = get_working_files()
+    if not working_files:
+        return "No files to upload"
+    
+    # 检查文件是否有修改
+    modified, last_url = check_files_modified(working_files)
+    if not modified and last_url:
+        return last_url
+    
+    # 创建临时ZIP文件
+    with tempfile.NamedTemporaryFile(suffix='.zip', delete=False) as tmp:
+        zip_path = tmp.name
+    
+    try:
+        # 获取WORKING_DIR
+        working_dir = os.environ.get('WORKING_DIR', '.')
+        if not os.path.isabs(working_dir):
+            working_dir = os.path.abspath(working_dir)
+        
+        # 打包文件
+        with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED) as zipf:
+            for file_path in working_files:
+                # 计算相对路径，保持目录结构
+                arcname = os.path.relpath(file_path, working_dir)
+                zipf.write(file_path, arcname)
+        
+        # 如果提供了密码，创建加密ZIP文件
+        if password:
+            # 直接创建加密ZIP文件，替换原有的非加密文件
+            os.unlink(zip_path)
+            
+            # 获取WORKING_DIR
+            working_dir = os.environ.get('WORKING_DIR', '.')
+            if not os.path.isabs(working_dir):
+                working_dir = os.path.abspath(working_dir)
+            
+            # 使用内置的zipfile模块创建加密ZIP
+            with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED, compresslevel=9) as zipf:
+                for file_path in working_files:
+                    # 计算相对路径，保持目录结构
+                    arcname = os.path.relpath(file_path, working_dir)
+                    zipf.write(file_path, arcname)
+                # 设置密码用于解密
+                zipf.setpassword(password.encode())
+        
+        # 上传到tmpfile
+        download_url = upload_to_tmpfile(zip_path)
+        
+        # 计算当前文件的哈希值
+        current_hashes = {}
+        for file_path in working_files:
+            if os.path.exists(file_path):
+                current_hashes[file_path] = get_file_hash(file_path)
+        
+        # 保存本次上传信息
+        with open(LAST_UPLOAD_FILE, 'w') as f:
+            json.dump({
+                'hashes': current_hashes,
+                'download_url': download_url,
+                'timestamp': os.path.getmtime(zip_path),
+                'encrypted': bool(password)
+            }, f)
+        
+        return download_url
+    finally:
+        # 清理临时文件
+        if os.path.exists(zip_path):
+            os.unlink(zip_path)
+        # 清理加密临时文件
+        encrypted_zip_path = zip_path + '.encrypted.zip'
+        if os.path.exists(encrypted_zip_path):
+            os.unlink(encrypted_zip_path)
+
+
+def main():
+    # 命令行入口点
+    import sys
+    import argparse
+    
+    parser = argparse.ArgumentParser(description='Upload working files to tmpfile.link or download and extract files.')
+    
+    subparsers = parser.add_subparsers(dest='command', help='Command to execute')
+    
+    # 上传命令
+    upload_parser = subparsers.add_parser('upload', help='Upload working files')
+    upload_parser.add_argument('--password', '-p', help='Password for encrypting the ZIP file')
+    
+    # 下载命令
+    download_parser = subparsers.add_parser('download', help='Download and extract files')
+    download_parser.add_argument('url', help='Download URL')
+    download_parser.add_argument('extract_dir', nargs='?', default='.', help='Extraction directory')
+    download_parser.add_argument('--password', '-p', help='Password for decrypting the ZIP file')
+    
+    args = parser.parse_args()
+    
+    if args.command == 'download':
+        # 下载模式
+        try:
+            download_and_extract(args.url, args.extract_dir, args.password)
+        except Exception as e:
+            print(f"Error: {e}")
+            sys.exit(1)
+    else:
+        # 上传模式（默认）
+        download_url = upload_working_files(args.password)
+        print(f"Download URL: {download_url}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..c9f18bc
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,10 @@
+[project]
+name = "myscripts"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = ["requests"]
+
+[project.scripts]
+working_tool = "myscripts.working_tool:main"
\ No newline at end of file