When access WordPress default permalink, 301 redirect to Ghost

server.js

//for wordpress permalink import articles
function redirect301 ( req, res, next ){

    // console.log("access to: " + req.headers.host);
    if ( req.query["p"] || req.query["page"] ){
        var redirect = "http://" + req.headers.host;
        if ( req.query["p"] ){
            redirect += "/p" + req.query["p"] + "";
        } else if( req.query["page"] ){
            redirect += "/page" + req.query["page"] + "";
        }
        // console.log("301 redirect: " + redirect + req.headers.url + "=>" +  redirect );
        res.writeHead(301, {"Location": redirect, 'Expires': (new Date).toGMTString()});
        res.end();

    } else {
        next();
    }
}

// Expose the promise we will resolve after our pre-loading
ghost.loaded = loading.promise;

when(ghost.init()).then(function () {
    return helpers.loadCoreHelpers(ghost);
}).then(function () {

    // ##Configuration
    var oneYear = 31536000000;

    // Logging configuration
    if (server.get('env') !== 'development') {
        server.use(express.logger());
    } else {
        server.use(express.logger('dev'));
    }

    //for WordPress permalink
    server.use( redirect301 );

    // Favicon
    server.use(express.favicon(__dirname + '/shared/favicon.ico'));

    //.......

}