webman twig 模板在view.php中添加全局变量不生效的问题？

return [
    'handler' => Twig::class,    
    'options' => [
        'debug' => true,
        'charset' => 'utf-8',
    ],
    'extension' => function (Twig\Environment $twig) {
        $twig->addGlobal('text', '11');
    }
];