Select some classification files. The file name type suffix is missing

As shown below, I select an audio file.This is an audio file, the actual returned path and name are missing the file type suffix

var result = await FilePicker.platform.pickFiles(
  allowMultiple: true,
);
print('pickFiles==========');
print(result.toString());
print(result?.paths.toString());
print(result?.files.toString());

D/FilePickerDelegate(15528): Selected type */*
I/Timeline(15528): Timeline: Activity_launch_request time:1092926125 intent:Intent { act=android.intent.action.GET_CONTENT cat=[android.intent.category.OPENABLE] typ=*/* (has extras) }
W/System  (15528): A resource failed to call close. 
W/System  (15528): A resource failed to call close. 
I/FilePickerUtils(15528): Caching from URI: content://com.android.providers.media.documents/document/audio%3A4096
D/FilePickerUtils(15528): File loaded and cached at:/data/user/0/com.example.one_person/cache/file_picker/告白氣球
D/FilePickerDelegate(15528): File path:[com.mr.flutter.plugin.filepicker.FileInfo@8292ed7]
I/flutter (15528): pickFiles==========
I/flutter (15528): FilePickerResult(files: [PlatformFile(path /data/user/0/com.example.one_person/cache/file_picker/告白氣球, name: 告白氣球, bytes: null, readStream: null, size: 7735513)])
I/flutter (15528): [/data/user/0/com.example.one_person/cache/file_picker/告白氣球]
I/flutter (15528): [PlatformFile(path /data/user/0/com.example.one_person/cache/file_picker/告白氣球, name: 告白氣球, bytes: null, readStream: null, size: 7735513)]

Android Phone

https://user-images.githubusercontent.com/43408104/171380902-3fe4bf6d-ad44-4f15-a07b-bd960e6fcbe1.mp4

Plug in version: file_ picker: ^4.5.1

[✓] Flutter (Channel stable, 2.10.5, on macOS 12.3.1 21E258 darwin-arm, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
[✓] Xcode - develop for iOS and macOS (Xcode 13.3.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.1)

miguelpruivo / flutter_file_picker

Select some classification files. The file name type suffix is missing #1042

Select some classification files. The file name type suffix is missing