hi , the problem is that . I have a file jos_guid.txt on my website jiandanjie.com 。the content is BC7442621EEFCA33ACA0C395WER0F40B but can not visit http://www.jiandannjie.com/jos_guid.txt but visit http://www.jiandannjie.com/josguid.txt or http://www.jiandannjie.com/robots.txt is ok does anyone know why ? thanks a long [root@server1 ~]# cd /var2/www/jiandanjie.com/web [root@server1 web]# ll *.txt -rw-r--r-- 1 root root 48 Dec 11 23:16 jd_root.txt -rw-r--r-- 1 web10 client1 32 Dec 28 23:49 jos_guid.txt -rw-r--r-- 1 root root 189 Dec 28 23:32 josguid.txt -rw-r--r-- 1 web10 client1 189 Nov 25 22:17 robots.txt [root@server1 web]# cat jos_guid.txt BC7442621EEFCA33ACA0C395WER0F40B