Did you create a Co-Domain for ???.com (with an empty hostname)? Does the DNS record for ???.com point to the correct IP?
Originally Posted by sutuy
2. my website can be access by domain name, how can i access http://www.???.com
folder locally (with ip LAN).
You must use the domain/hostname, you cannot use an IP because ISPConfig configures name-based vhosts, not IP-based vhosts.