问腾讯云miniconda环境配置问题？

搭建minconda环境报错，已配置镜像源，命令：

conda create -n my_env python=3.7

报错：

Fetching package metadata: Could not connect to http://repo.continuum.io/pkgs/pro/noarch/

.Could not connect to http://repo.continuum.io/pkgs/pro/linux-64/

.Could not connect to http://repo.continuum.io/pkgs/free/noarch/

.Could not connect to http://repo.continuum.io/pkgs/free/linux-64/

.

Error: No packages found in current linux-64 channels matching: python 3.7*