I checked the apache error log, found all shtml files were sent to be like these:
PHP Code:
[Sat Dec 30 09:52:27 2006] [error] [client 127.0.0.1] File does not exist: /usr/local/apache/htdocs/news/localnews/1475.shtml [Sat Dec 30 09:52:27 2006] [error] [client 127.0.0.1] File does not exist: /usr/local/apache/htdocs/404.shtml [Sat Dec 30 09:52:29 2006] [error] [client 127.0.0.1] File does not exist: /usr/local/apache/htdocs/news/localnews/index-13.shtml [Sat Dec 30 09:52:29 2006] [error] [client 127.0.0.1] File does not exist: /usr/local/apache/htdocs/404.shtml