版本4.4.16，无法使用异步http client

[timeshi]

$cli = new swoole_http_client('127.0.0.1', 80);
$result = $cli->post('/test.php', ["a" => "a"], function ($cli) { //回调函数没有响应
    echo "Length: " . strlen($cli->body) . "\n";
    var_dump($cli);
    echo $cli->body;
});

[timeshi]

应该是post就没有执行，http服务器没有收到任何请求