问题：
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, you@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

解决方法：在apache配置中添加 LoadModule rewrite_module modules/mod_rewrite.so
或者找到#LoadModule rewrite_module modules/mod_rewrite.so 去掉#