my $soap = SOAP::Lite
->uri('http://tempuri.org')
->on_action(sub{sprintf "%s/%s",@_})
->proxy('http://xxx/a.asmx');

my $result = $soap->getID();   #It works

##</code><code>##

#
my $str = <<"XML";
<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<node>
	<nid>10</nid>
</node>
XML
my $result = $soap->getNum($str); #It doesn't work --update