Flask>=2.0.0
requests>=2.25.0
python-dotenv>=0.20.0
python-docx>=1.0.0
lxml>=4.6.0
pillow>=8.0.0
# 以下是可选依赖，根据实际需要安装
# PyPDF2>=2.0.0
# openpyxl>=3.0.7
# pandas>=1.3.0