Problem with SubFolders in Jade

index.js

exports.category = function(req, res){
  console.log(JSON.stringify(req.category));
  res.render('category/category',{
    title:"Category Page",
    categories:req.categories,
    currcategory:req.category,
    err:req.err
  })
}

ls

$ ls views/category/
addCategory.jade  category.jade  categoryView.jade  editCategory.jade

server.js

app.configure(function(){
  app.set('port', process.env.OPENSHIFT_INTERNAL_PORT || 3000);
  app.set('sslport', process.env.SSL_PORT || 443);
  app.set('ipaddr', process.env.OPENSHIFT_INTERNAL_IP || 'localhost');
  app.set('hostname', process.env.OPENSHIFT_APP_DNS || 'localhost');
  app.set('views', __dirname + '/views');
  app.set('view engine', 'jade');
  app.use(express.cookieParser("sdsadsadsa"));
  app.use(express.session({ secret: "sadasdsadsa" }));
  app.use(express.favicon());
  app.use(express.logger('dev'));
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(app.router);
  app.use(require('stylus').middleware(__dirname + '/public'));
  app.use(express.static(__dirname + '/public'));
});