这个端口获取失败是BUG吗？

/**
     * socket服务器ID绑定
     */
    public function postSocketBind()
    {
        Gateway::$registerAddress = '127.0.0.1:1238';
        $socket_id = \request()->input('client_id');
        session()->put("socket_id",$socket_id);
        Gateway::bindUid(session('socket_id'), \App\model\user::userInfo()->id);
    }

class Context{
    public static $local_port = 1238;
}