Cannot use object of type Hyperf\GrpcClient\UnaryCall as array[38]

public function sayHello(HiUser $argument)
{
return $this->_simpleRequest(
'/grpc.Hi/SayHello',
$argument,
[HiReply::class, 'decode']
);
}

list($reply, $status) = $client->sayHello($request);

更新一下wiki吧，已经不能这样用了。
看了代码才知道要加wait()。