diff --git a/lib/src/classes.dart b/lib/src/classes.dart
index e0e8489b8..83f0bbdf8 100644
--- a/lib/src/classes.dart
+++ b/lib/src/classes.dart
@@ -1031,7 +1031,7 @@ class RemoteAudioStats {
   ExperiencePoorReason? qualityChangedReason;
 
   /// The quality of the remote audio stream as determined by the Agora real-time audio MOS (Mean Opinion Score) measurement method in the reported interval. The return value ranges from 0 to 500. Dividing the return value by 100 gets the MOS score, which ranges from 0 to 5. The higher the score, the better the audio quality.
-  int mosValue;
+  int? mosValue;
 
   /// Constructs a [RemoteAudioStats]
   RemoteAudioStats();
diff --git a/lib/src/enum_converter.g.dart b/lib/src/enum_converter.g.dart
index 79d7c9996..4b29c6810 100644
--- a/lib/src/enum_converter.g.dart
+++ b/lib/src/enum_converter.g.dart
@@ -1629,7 +1629,7 @@ const _$ExperiencePoorReasonEnumMap = {
 VoiceConversionPresetConverter _$VoiceConversionPresetConverterFromJson(
     Map<String, dynamic> json) {
   return VoiceConversionPresetConverter(
-    _$enumDecodeNullable(_$VoiceConversionPresetEnumMap, json['e']),
+    _$enumDecode(_$VoiceConversionPresetEnumMap, json['e']),
   );
 }