#### 问题描述
当服务端响应的数据过长 ,就会报错
buffer:2c2262757a7a6572223a226f6e222c22636f6c6f72223a2235222c227068617365223a302c22736e223a225a51323636'qos' => 1]); //v2用这个
$mqtt->subscribe('/CLMGW/ZQRSP', ['qos' => 1]); //v3用这个有响应数据'/mqtt_error.log', $log, FILE_APPEND | LOCK_EX);
};
// 发起连接
$thisqos' => 1]);
dump($topic,$payload);
$this->logInfo("🚀 同步指令已发送$this->mqtt->publish($topic, $payload, ['qos' => 0]);
$this->logInfo("📤 异步指令已发送