python.exe -m venv .venv
python.exe -m  pip install -r .\requirements.txt --proxy=192.168.0.90:17890
python -m pip freeze > requirements.txt
python -m pip install -r requirements.txt
python -m compileall .

# 数据源， 临时 
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package

# 升级 pip 后 修改数据源
python -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --upgrade pip
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple