HarmonyOS 鸿蒙Next AVRecorder 录音

prepare(this.avConfig)方法后报错如下：

The Parameter audioSourceType is invalid. Please check the type and range.

代码配置如下：

private avProfile = {
  audioBitrate: 128000, // set audioBitrate according to device ability
  audioChannels: 2, // set audioChannels, valid value 1-8
  audioCodec: media.CodecMimeType.AUDIO_AAC, // set audioCodec, AUDIO_AAC is the only choice
  audioSampleRate: 48000, // set audioSampleRate according to device ability
  fileFormat: media.ContainerFormatType.CFT_MPEG_4A, // set fileFormat, for video is m4a
}
private avConfig = {
  audioSourceType: media.AudioSourceType.AUDIO_SOURCE_TYPE_DEFAULT,
  profile: this.avProfile,
  url: ‘fd://’
}