SilverStripe GraphQL -语法错误

query {
  someQuery {
    "someField"
  }
}

use GraphQL\Type\Definition\Type;
use SilverStripe\GraphQL\Scaffolding\Interfaces\ScaffoldingProvider;

class MyType implements ScaffoldingProvider
{
    public function provideGraphQLScaffolding(Schema $schema)
    {
        $schema->type('MyType', [
            'fields' => [
                'id' => ['type' => Type::id()],
                'name' => ['type' => Type::string()],
            ],
        ]);
    }
}

use SilverStripe\GraphQL\Scaffolding\Interfaces\ScaffoldingProvider;
use GraphQL\Type\Definition\ResolveInfo;

class MyResolver implements ScaffoldingProvider
{
    public function resolve($object, array $args, ResolveInfo $info)
    {
        return $object->SomeField;
    }
}

composer update silverstripe/graphql