Symfony 3未设置记住我的cookie

security:
    firewalls:
        main:
            remember_me:
                always_remember_me: true

use Symfony\Component\Form\Extension\Core\Type\CheckboxType;

// ...

$form = $this->createFormBuilder()
    // ...
    ->add('remember_me', CheckboxType::class, [
        'label' => 'Remember Me',
        'required' => false,
    ])
    // ...
    ->getForm();

use Symfony\Component\Security\Http\RememberMe\RememberMeServicesInterface;

// ...

public function login(Request $request, AuthenticationUtils $authenticationUtils, RememberMeServicesInterface $rememberMeServices)
{
    // ...

    // 在验证用户凭据后，检查是否选择了记住我选项
    if ($form->isSubmitted() && $form->isValid()) {
        $rememberMe = $form->get('remember_me')->getData();

        // 如果选择了记住我，则生成并设置记住我的cookie
        if ($rememberMe) {
            $rememberMeServices->loginSuccess($request, $response, $token);
        }
    }

    // ...
}