python -m pip install --upgrade pip
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple ***
1.pil
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple Pillow
2.numpy
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple numpy
python -m pip install --upgrade pip
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple ***
1.pil
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple Pillow
2.numpy
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple numpy