AWS SQS消息未收到自动

I am working on aws sqs, send message is successfully but not received message not getting automatically.

Please help me.

require 'vendor/autoload.php';
//require 'aws/aws-autoloader.php';

use Aws\Exception\AwsException;
use Aws\Sqs\SqsClient;

$queueUrl = "";

$client = SqsClient::factory(array(
    'credentials' => array(
        'key' => '', //use your AWS key here
        'secret' => '', //use your AWS secret here
    ),

    'region' => 'us-east-1', //replace it with your region
    'version' => 'latest',
));

$result = $client->receiveMessage(array(
    'QueueUrl' => $queueUrl,
    'MaxNumberOfMessages' => 10,
));

foreach ($result->get('Messages') as $message) {
    echo "<pre>";
    echo htmlentities(print_r($message['Body'], true));
    echo "</pre>";

    echo "<hr />";
}