/**
     * 项目 socket 连接时触发(一次)
     * 当客户端与 Workerman 建立连接时(TCP 三次握手完成后)触发的回调函数
     */
    public static function onConnect($client_id)
    {

        // 定义连接函数
        $connectWs = function () {

            $ws            = new AsyncTcpConnection('ws://dashscope.aliyuncs.com/api-ws/v1/inference');
            $ws->headers   = [
                "Authorization" => "Bearer " . getenv("DASHSCOPE_API_KEY"),
            ];
            $ws->transport = "ssl";

            // 连接成功回调
            $ws->onConnect = function ($ws) {
                self::$aliWs = $ws;
                echo "connected success:" . $ws->id . "\n";
            };

            // 当收到消息时
            $ws->onMessage = function ($ws, $data) {
                var_dump("ali 返回消息", $data);
                $msg     = json_decode($data, true);
                $channel = self::$sendWsChan;
                Coroutine::create(
                    function () use ($channel, $msg) {
                        $channel->push($msg);
                    },
                );
            };

            // 连接关闭时进行重连
            $ws->onClose = function ($ws) {
                echo "连接关闭，尝试重新连接...\n";
                self::$aliWs = null;
                $ws->reConnect(1);
            };
            $ws->onError = function ($ws) {
                echo "错误输出" . $ws->error;
            };
            $ws->connect();
        };
        
        		//定时器触发
                  if (self::$aliWs) {
                                var_dump("发送事件");
                                self::$aliWs->send(json_encode($data));
                            }

初次建立长连接可以发送成功，但是如果阿里云长连接断线重连几次后，发送事件，在 onMessage 里边没有响应。不明白为什么出现这种情况。var_dump("发送事件"); 可以打印数据。但是 onMessage 不存在数据。