conda创建虚拟环境报错Solving environment: failed CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https:等

将.condarc文件中镜像源的url从https改为http，如下图：

.condarc 文件在C盘User/username下。
镜像源链接在清华镜像源网站https://mirror.tuna.tsinghua.edu.cn/help/anaconda/