@Override
    public void invokeAfterPackageSendRecv(CommandPackage commandPackage) {
        //调用同步函数
        Enumeration<NettyListener> listenerList = listeners.keys();
        while (listenerList.hasMoreElements()) {
            NettyListener listener = listenerList.nextElement();
            if (listener instanceof NettySendPackageListener) {
                ((NettySendPackageListener) listener).afterPackageSend(commandPackage);
            }
        }
    }