请问各位大神,运行中出现这个问题该怎么解决?
. ssc install ftools
checking ftools consistency and verifying not already installed...
connection timed out -- see help r(2) for troubleshooting
could not copy 
http://fmwww.bc.edu/repec/bocode/f/ftools.sthlp
(no action taken)
r(2);
谢谢!!