According to the readme file, i modified "db.cgi" and "default.cfg" file and changed the all the files' attribute. But when i ran the "db.cgi", i just got a page with the message :DBMan encountered an internal error. Please enable debugging to view. Then i debugged the program and found it's because of the subrountine"parse_form". it can not get correct "$ENV{'REQUEST_METHOD'}. so who can tell me how i should do to get to the right way?