在conda下安装环境报错

在执行conda env create -f environment.yml指令的时候出现了如下报错,请问该怎么解决?

报错:
ProxyError: Conda cannot proceed due to an error in your proxy configuration.
Check for typos and other configuration errors in any ‘.netrc’ file in your home directory,
any environment variables ending in ‘_PROXY’, and any other system-wide proxy
configuration settings.