报错信息
The proxy server URL extracted from HTTP_PROXY or HTTPS_PROXY environment variable could not be parsed. Either specify the correct URL or unset the environment variable.
解决方法
Windows
在cmd中执行如下的命令
set HTTP_PROXY=http://127.0.0.1:9870
set HTTPS_PROXY=http://127.0.0.1:9870
之后，再次尝试即可
Mac
在bash.profile后面添加：
export HTTP_PROXY=http://127.0.0.1:9870
export HTTPS_PROXY=http://127.0.0.1:9870
之后，再次尝试即可
