Phalcon\Mvc\Dispatcher\Exception: Modules\Isv\Controllers\IsvController handler class cannot be loaded

<?php
 
error_reporting(E_ALL);
(new \Phalcon\Debug())->listen();//开启调试监听
 
 
define('BASE_PATH', dirname(__DIR__));
define('APP_PATH', BASE_PATH . '/app');
 
use Phalcon\Loader;
use Phalcon\Mvc\Router;
use Phalcon\DI\FactoryDefault;
use Phalcon\Mvc\Application as BaseApplication;
use Phalcon\Mvc\Url as UrlResolver;
use Phalcon\Session\Adapter\Files as SessionAdapter;
use Phalcon\Mvc\Model\Metadata\Memory as MetaDataAdapter;
 
class Application extends BaseApplication
{
    /**
     * Register the services here to make them general or register in the ModuleDefinition to make them module-specific
     */
    protected function registerServices()
    {
 
        $di = new FactoryDefault();
        $di->setShared('config', function () {
            return include APP_PATH . "/config/config.php";
        });
        
        $di->setShared('url', function () {
            $config = $this->getConfig();
            $url = new UrlResolver();
            $url->setBaseUri($config->application->baseUri);
            return $url;
        });
 
        $di->setShared('session', function () {
            $session = new SessionAdapter();
            $session->start();
            return $session;
        });
 
        /**
        * If the configuration specify the use of metadata adapter use it or use memory otherwise
        */
        $di->setShared('modelsMetadata', function () {
            return new MetaDataAdapter();
        });
        
 
      
        include APP_PATH . '/config/router.php';
 
        /**
        * Include Autoloader
        */
        $config = $di->getConfig();
        include APP_PATH . '/config/loader.php';
    
        // Registering a router
        $di->set('router', function () {
            return include APP_PATH . "/config/router.php";
        });
 
        $this->setDI($di);
    }
 
    public function main()
    {
 
        $this->registerServices();
 
        // Register the installed modules
        $this->registerModules([
            'isv' => [
                'className' => 'Modules\Isv\Module',
                'path'      => APP_PATH.'/modules/isv/Module.php'
            ],
            'backend'  => [
                'className' => 'Modules\Backend\Module',
                'path'      =>  APP_PATH.'/modules/backend/Module.php'
            ]
        ]);
 
        echo $this->handle()->getContent();
    }
}
 
$application = new Application();
$application->main();

<?php
 
error_reporting(E_ALL);
(new \Phalcon\Debug())->listen();//开启调试监听
 
 
define('BASE_PATH', dirname(__DIR__));
define('APP_PATH', BASE_PATH . '/app');
 
use Phalcon\Loader;
use Phalcon\Mvc\Router;
use Phalcon\DI\FactoryDefault;
use Phalcon\Mvc\Application as BaseApplication;
use Phalcon\Mvc\Url as UrlResolver;
use Phalcon\Session\Adapter\Files as SessionAdapter;
use Phalcon\Mvc\Model\Metadata\Memory as MetaDataAdapter;
 
class Application extends BaseApplication
{
    /**
     * Register the services here to make them general or register in the ModuleDefinition to make them module-specific
     */
    protected function registerServices()
    {
 
        $di = new FactoryDefault();
        $di->setShared('config', function () {
            return include APP_PATH . "/config/config.php";
        });
        
        $di->setShared('url', function () {
            $config = $this->getConfig();
            $url = new UrlResolver();
            $url->setBaseUri($config->application->baseUri);
            return $url;
        });
 
        $di->setShared('session', function () {
            $session = new SessionAdapter();
            $session->start();
            return $session;
        });
 
        /**
        * If the configuration specify the use of metadata adapter use it or use memory otherwise
        */
        $di->setShared('modelsMetadata', function () {
            return new MetaDataAdapter();
        });
        
 
      
        include APP_PATH . '/config/router.php';
 
        /**
        * Include Autoloader
        */
        $config = $di->getConfig();
        include APP_PATH . '/config/loader.php';
    
        // Registering a router
        $di->set('router', function () {
            return include APP_PATH . "/config/router.php";
        });
 
        $this->setDI($di);
    }
 
    public function main()
    {
 
        $this->registerServices();
 
        // Register the installed modules
        $this->registerModules([
            'isv' => [
                'className' => 'Modules\Isv\Module',
                'path'      => APP_PATH.'/modules/isv/Module.php'
            ],
            'backend'  => [
                'className' => 'Modules\Backend\Module',
                'path'      =>  APP_PATH.'/modules/backend/Module.php'
            ]
        ]);
 
        echo $this->handle()->getContent();
    }
}
 
$application = new Application();
$application->main();