pip安装mxnet时，提示：

PS C:\Users\liguanlin\Desktop> pip install mxnet
Collecting mxnet
  Could not find a version that satisfies the requirement mxnet (from versions: )
No matching distribution found for mxnet

参考https://blog.csdn.net/weixin_42840933/article/details/85308265

使用豆瓣的源安装mxnet：

pip install mxnet -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com

后安装成功