flutter iOS audioplayers播放不了录音

audioplayers: ^1.2.0

  ///音频控制
  AudioPlayer audioPlayer = AudioPlayer();

  @override
  void initState() {
    
    
    super.initState();
    setVoice();
    initData();
    initListener();
  }

  setVoice(){
    
    
    if(Platform.isIOS){
    
    
      final AudioContext audioContext = AudioContext(
        iOS: AudioContextIOS(
          defaultToSpeaker: true,
          category: AVAudioSessionCategory.ambient,
          options: [
            AVAudioSessionOptions.defaultToSpeaker,
            AVAudioSessionOptions.mixWithOthers,
          ],
        ),
        android: AudioContextAndroid(
          isSpeakerphoneOn: true,
          stayAwake: true,
          contentType: AndroidContentType.music,
          usageType: AndroidUsageType.media,
          audioFocus: AndroidAudioFocus.gain,
        ),
      );
      AudioPlayer.global.setGlobalAudioContext(audioContext);
    }
  }

且下载网络地址URL文件在本地后，播放不了，播放网络地址才可以