get 'foo' => sub {

    my $self = shift;
    my $res = {};

    $res->{foo} = 'xx';
#     http://localhost:3000/goo/pws?foopw=11111111

    my $h = Mojo::Headers->new();

    $self->app->log->debug($h->to_string);
    $self->res->headers($h);

    $self->render( text => 'foo' );
    
};