pip install opencv-python==3.3.0.10 -i https://pypi.doubanio.com/simple
pip install tensorflow-gpu -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install opencv-python==3.3.0.10 -i https://pypi.doubanio.com/simple
pip install tensorflow-gpu -i https://pypi.tuna.tsinghua.edu.cn/simple