perl 自定义请求头

use LWP::UserAgent;
 $ua = LWP::UserAgent->new;
 @header = (
    'accept'=> "application/json",
    'content-type'=> "application/json",
    'apix-key'=> "e7b00871640c49567a37566ccd5c27e9",
    'User-Agent' => "Mozilla/8.0"
    );

$start = $ARGV[0];
$end = $ARGV[1];
$date = $ARGV[2];
$host="http://a.apix.cn/apixlife/ticket/rest?from=$start&to=$end&date=$date";
$request = HTTP::Request->new(GET=>"$host");
$request->header(@header);

$response = $ua->request($request); 
$content= $response->decoded_content;
$content =~ s/\u([0-9a-fA-F]{4})/pack("U",,hex($1))/eg; 
print "$content is $content
";