添加conda镜像

conda config --add channelshttps://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/
conda config --set show_channel_urls yes

指定通道安装指定版本的tensorflow:

conda install --channel https://conda.anaconda.org/anaconda tensorflow=1.14.0

添加pip镜像并升级

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package