无法在swift中读取m4p文件中的标签

import AVFoundation

func readAudioFileTags(filePath: String) {
    let url = URL(fileURLWithPath: filePath)
    let asset = AVAsset(url: url)
    
    for format in asset.availableMetadataFormats {
        for metadataItem in asset.metadata(forFormat: format) {
            if let commonKey = metadataItem.commonKey?.rawValue,
               let value = metadataItem.value {
                print("\(commonKey): \(value)")
            }
        }
    }
}

// 调用示例
let filePath = "path/to/your/audio/file.mp3"
readAudioFileTags(filePath: filePath)