函数0传递的参数太少，而DI容器期望的参数恰好是1

Question

我试图使用Php league container在AdminController中注入服务：

class App {

 public function __construct() {
    $container = new Container;
    $container->add(CompanyCreateService::class)
            ->addArgument(CompanySqlRepository::class);
    $container->add(CompanySqlRepository::class)
            ->addArgument(DbConnection::class)
            ->addArgument(Hydrator::class);
    $container->add(DbConnection::class);
    $container->add(Hydrator::class);        
    $container->add(AdminController::class)
            ->addArgument($container->get(CompanyCreateService::class));                
    $container->get(AdminController::class);
         $this->actionIndex();
}

public function actionIndex() {
    $controller = new AdminController();     
}

}

使用CompanyCreateService作为注入的Admincontroller

class AdminController {

public $companyService;

public function __construct(CompanyServiceInterface $companyService) {
    $this->companyService = $companyService;
    $this->actionCreate();         
}

public function actionCreate() {
    $dto = ...
    $this->companyService->createCompany($dto);    
}

它将dto保存到数据库中，这是正常的，但是我遇到了错误

Fatal error: Uncaught ArgumentCountError: Too few arguments to function Site\Company\Application\AdminController::__construct(), 0 passed and exactly 1 expected in ... AdminController.php

My classes:

class CompanySqlRepository implements CompanyRepositoryInterface {

private $hydrator;    
private $db;

public function __construct(DbConnection $db, Hydrator $hydrator) {       
    $this->db = $db;
    $this->hydrator = $hydrator;
}


class CompanyCreateService implements CompanyServiceInterface {

private $repository;
public function __construct(CompanyRepositoryInterface $repository) {

    $this->repository = $repository;
}

public function createCompany($dto): void {       
    $this->repository->add($dto);
}

如何正确使用Di容器？为何即使出错也可以将其保存到数据库中？