install Bio::SeqIO 
Fetching with LWP:
http://mirrors.163.com/cpan/authors/01mailrc.txt.gz
Proxy authentication needed!
 (Note: to permanently configure username and password run
   o conf proxy_user your_username
   o conf proxy_pass your_password
     )
Username:  
Warning: Term::ReadKey seems not to be available, your password will be echoed to the terminal!
Password:  



Trying with
    /usr/bin/wget -O "/home/zluna/.cpan/sources/authors/01mailrc.txt.gz.tmp32465"
to get
    http://mirrors.163.com/cpan/authors/01mailrc.txt.gz
--2014-11-05 20:53:42--  http://mirrors.163.com/cpan/authors/01mailrc.txt.gz
Connecting to 117.59.217.228:80... 

connected.
Proxy request sent, awaiting response... Read error (Connection timed out) in headers.
Retrying.

--2014-11-05 21:08:59--  (try: 2)  http://mirrors.163.com/cpan/authors/01mailrc.txt.gz
Connecting to 117.59.217.228:80... connected.
Proxy request sent, awaiting response... ^C
    Function system("/usr/bin/wget -O "/home/zluna/.cpan/sources/authors/01mailrc.txt.gz.tmp32465" "http://mirrors.163.com/cpan/authors/01mailrc.txt.gz" ")
    returned status 0 (wstat 2), left
/home/zluna/.cpan/sources/authors/01mailrc.txt.gz.tmp32465 with size 0
    Warning: no success downloading '/home/zluna/.cpan/sources/authors/01mailrc.txt.gz.tmp32465'. Giving up on it.

Proxy authentication needed!
 (Note: to permanently configure username and password run
   o conf proxy_user your_username
   o conf proxy_pass your_password
     )
Username:  ^CCaught SIGINT, trying to continue
^CGot another SIGINT