一个关于.htaccess的问题

navy1020

您好！我布置好destoon后访问网站，网页打不开，服务器报错如下：
[Sat May 14 10:20:46 2011] [alert] [client 127.0.0.1] D:/AppServ/www/destoon/.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included in the server configuration
请问怎么解决这个问题，谢谢！