iOS AudioEncoder.wav Not supported

[xhzth70911]

Package version
record: ^5.0.4

Environment

• OS: iOS 13.3.1，iPhone 6 plus
  Describe the bug

A clear and concise description of what the bug is.

Add your record configuration RecordConfig(...)
const RecordConfig(
encoder: AudioEncoder.wav,
),
To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior

A clear and concise description of what you expected to happen.

Additional context

Add any other context about the problem here.

AudioEncoder.aacLc normal，AudioEncoder.wav Error

await record.start(
const RecordConfig(
encoder: AudioEncoder.wav,
),
path: "${PathHelper().getCachePath}/${123}.m4a",
);

Error reporting：
flutter：

xcode：
Unhandled Exception: PlatformException(record, The operation couldn’t be completed. (OSStatus error 1718449215.), null, null)
#0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:652:7)
#1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:310:18)

#2 AudioRecorder.start (package:record/src/record.dart:53:5)

#3 _VoiceRecordState.build. (package:askaide/page/component/chat/voice_record.dart:119:15)