pip install PyQt5 -i https://pypi.douban.com/simple
pip install pywin32==228 -i https://pypi.douban.com/simple
pip install requests -i https://pypi.douban.com/simple
pip install pyinstaller -i https://pypi.douban.com/simple
pip install pyinstaller -i https://pypi.douban.com/simple
pip install pyinstaller -i https://pypi.douban.com/simple
pip install pyinstaller -i https://pypi.douban.com/simple









pip install opencv-python -i https://pypi.douban.com/simple
pip install opencv-contrib-python -i https://pypi.douban.com/simple