安装sulu-demo时出错

Question

我尝试安装sulu.io演示网站，执行app：install命令后出现407错误。

    Sorry, you are not currently allowed to request http://127.0.0.1:9200/sulu_ro
cks_articles from this cache until you have authenticated yourself.

我不明白为什么会出现这个错误。我支持代理，但它是一个本地网址。

通过网址http://127.0.0.1:9200

可以正确访问Elasticsearch