my nmap have problem..

[Á¦¥JBBQ <potato@softhome.net>]

always reply:
Nmap run completed -- 1 IP address (0 hosts up) scanned in 1 second


-- 
  +--^----------,--------,----,------^-, @@@@<<           __
  | |||||||||   `--------'    |        O @#@@@@<<<<<     )__)
  `+==========================^========| v@vv@<<
    `\_,---------,---------,-----------'  #@<<
      / XXXXXX /'| |     //'
     / XXXXXX /  `\_\   //'
    / XXXXXX /`=========='       OO7 Tomorrow Never Dies
   / XXXXXX /
  / XXXXXX /
 (________/
  `------'