diff --git a/packages/mirai/lib/src/parsers/mirai_opacity/mirai_opacity_parser.dart b/packages/mirai/lib/src/parsers/mirai_opacity/mirai_opacity_parser.dart
index cd73251..15372bb 100644
--- a/packages/mirai/lib/src/parsers/mirai_opacity/mirai_opacity_parser.dart
+++ b/packages/mirai/lib/src/parsers/mirai_opacity/mirai_opacity_parser.dart
@@ -7,13 +7,13 @@ import 'package:mirai_framework/mirai_framework.dart';
 class MiraiOpacityParser extends MiraiParser<MiraiOpacity> {
   const MiraiOpacityParser();
 
+  @override
+  String get type => WidgetType.opacity.name;
+  
   @override
   MiraiOpacity getModel(Map<String, dynamic> json) =>
       MiraiOpacity.fromJson(json);
 
-  @override
-  String get type => WidgetType.opacity.name;
-
   @override
   Widget parse(BuildContext context, MiraiOpacity model) {
     return Opacity(