python -m pip install paddlepaddle -i https://pypi.tuna.tsinghua.edu.cn/simple
python -m pip install paddlepaddle -i https://mirror.baidu.com/pypi/simple
python -m pip install paddlepaddle -i https://pypi.tuna.tsinghua.edu.cn/simple
python -m pip install paddlepaddle -i https://mirror.baidu.com/pypi/simple