安装迅睿CMS时，如果选择安装测试数据，则报错：

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at admin@example.com to inform them of the time this error occurred, and the actions you performed just before this error.

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

Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.

Cache 下的error 文件内容是：

<!DOCTYPE html>

<html>

<head>

<title>403 Forbidden</title>

</head>

<body>

<p>Directory access is forbidden.</p>

</body>

</html>

帮忙一下吧？怎么解决？