private void initMsgAudio()
    {
        try
        {
            String msgAudioPath = URLDecoder.decode(CommonData.class.getResource("/").toString()
                    + "chat/client/view/sound/Message.wav", "utf-8");

            // ҪȥgetResource ص·е "file:/" ܽжȡ
            msgAudioPath = msgAudioPath.replace("file:/", "");
            msgAudioStream = new AudioStream(new FileInputStream(msgAudioPath));

        } catch(IOException e)
        {
            e.printStackTrace();
        }
    }