播放/暂停按钮在锁屏中始终不更新它将在Swift4 ios中显示暂停按钮

import AVFoundation

func setupAudioSession() {
    do {
        try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default, options: [])
        try AVAudioSession.sharedInstance().setActive(true)
    } catch {
        print("Failed to setup audio session: \(error)")
    }
}

import MediaPlayer

func updateLockScreenInfo() {
    let nowPlayingInfo: [String: Any] = [
        MPMediaItemPropertyTitle: "歌曲标题",
        MPMediaItemPropertyArtist: "艺术家",
        MPMediaItemPropertyPlaybackDuration: 300, // 歌曲总时长（单位：秒）
        MPNowPlayingInfoPropertyElapsedPlaybackTime: 120, // 当前播放时间（单位：秒）
        MPNowPlayingInfoPropertyPlaybackRate: 1.0, // 播放速率
        MPNowPlayingInfoPropertyPlaybackQueueIndex: 0, // 当前播放队列中的索引
        MPNowPlayingInfoPropertyPlaybackQueueCount: 10 // 播放队列中的总数
    ]
    
    MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo
}