
                    } else {
                        this.sendPlaybackStatus('completed', this.audioQueue.length);
                    }
                    if (this.audioQueue.length > 0) {
                        this.playNext();
                    } else {
                        this.isPlaying = false;
                        this.shouldInterrupt = false;

                        if (this.audioQueue.length === 0) {
                            this.updateStatus("就绪");
                        }
    