http500错误求救！！！！

[kelerfang]

出现奇怪问题，就是普通网页，用localhost可以浏览本地网页，用127.0.0.1就出现500错误，错误代码如下：Server Error
The following error occurred:
[code=CANT_CONNECT_LOOPBACK] Cannot connect due to potential loopback problems
哪位高人能帮忙解决啊！