GatewayClient，报找不到类

老哥，现在类不报错了，但是发不出去消息，客户端直接发能行，帮忙看看呗，千恩万谢。
<?php
namespace app\admin\controller;

require_once env('root_path') . 'vendor/workerman/gatewayclient/Gateway.php';
use app\admin\model\Friend;
use think\Controller;
use GatewayClient\Gateway;
use think\Request;
use app\admin\validate\Index as IndexValidata;
use think\Response;
use think\facade\Session;

class Index extends Controller
{
public function index()
{
$arr = ['id'=>1,'name'=>'老赵','url'=>'images/head/1.jpg'];
Session::set('user',$arr);
$friend = Friend::with(['user'=>function($query){
$query->field('id,username,url,autograph');
}])->where('user_id',1)->field('friend_id')->select();
$friend_array=$friend->toArray();
$record = [];
if(!empty($friend_array)){
$route = '../../../public/static/record/'.$friend_array[0]['friend_id'].'.text';
if(file_exists($route)){
$f= fopen($route,'\n\r');
while (!feof($f))
{
for ($i = 0; $i < 10 && !feof($f); $i++) {
$record[] = fgets($f);
}
}
fclose($f);
}
}
$this->assign('record',$record);
$this->assign('user',$arr);
$this->assign('friend',$friend);
return $this->fetch();
}

/**
 * 聊天id:client_id和user_id做绑定
 *
 * @param Request $request
 * @param client_id     聊天id
 * @return Response
 */
public function bindUid(Request $request): Response
{
    $validata = new IndexValidata();
    if(!$validata->scene('client_id')->check($request->post())){
        return output(1,$validata->getError());
    };
    Gateway::$registerAddress = '127.0.0.1:1238';
    #聊天id:client_id和user_id做绑定
    Gateway::bindUid($request->post('client_id'),Session::get('user.id'));
    return output(0);
}

/**
 * 发消息
 * @param Request $request
 * @param id      发给谁
 * @param text    发什么
 * @return Response
 */
public function sendMessage(Request $request): Response
{
    $validata = new IndexValidata();
    if(!$validata->scene('sendMessage')->check($request->post())){
        return output(1,$validata->getError());
    };
    #消息内容
    $arr = [
        'error' => 0,
        'type'  => 'reply',
        'data'  => [
            'message'   => $request->post("text")
        ]
    ];
    #连接服务
    Gateway::$registerAddress = '127.0.0.1:1238';
    #给uid发
    Gateway::sendToAll(json($arr));
    return output(0);
}