Defalut controller

server {

listen   80;
server_name localhost.dev;

index index.php index.html index.htm;
set $root_path '/www/test.xxx.com/public';
root $root_path;

location / {
    try_files $uri $uri/ /index.php;
}

location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include fastcgi_params;
}

location ~* ^/(css|img|js|flv|swf|download)/(.+)$ {
    root $root_path;
}

location ~ /\.ht {
    deny all;
}

}

index.php

<?php error_reporting(E_ALL); use Phalcon\Loader; use Phalcon\Mvc\View; use Phalcon\Mvc\Url as UrlProvider; use Phalcon\Mvc\Application; use Phalcon\DI\FactoryDefault; use Phalcon\Db\Adapter\Pdo\Mysql as DbAdapter; try {

// Register an autoloader
$loader = new Loader();
$loader->registerDirs(array(
    '../app/controllers/',
    '../app/models/'
))->register();

// Create a DI
$di = new FactoryDefault();

// Setup the view component
$di->set('view', function(){
    $view = new View();
    $view->setViewsDir('../app/views/');
    return $view;
});

$di->set('db', function(){
    return new DbAdapter(array(
        "host"     => "localhost",
        "username" => "mysql",
        "password" => "1234",
        "dbname"   => "****",
        "charset"  => "utf8"
    ));
});

// Setup a base URI so that all generated URIs include the "tutorial" folder
$di->set('url', function(){
    $url = new UrlProvider();
    $url->setBaseUri('/');
    return $url;
});
// Handle the request
$application = new Application($di);

echo $application->handle()->getContent();

} catch(\Exception $e) { echo "PhalconException: ", $e->getMessage(); }

I encountered a problem, when I visited test.xxx.com cannot jump to the index controller, the page is blank, but I visit test.xxx.com/Index/inde is there is no problem, what reason is this excuse me?