diff --git a/packages/mirai/lib/src/framework/mirai.dart b/packages/mirai/lib/src/framework/mirai.dart
index 5388be24..3dd3f5e0 100644
--- a/packages/mirai/lib/src/framework/mirai.dart
+++ b/packages/mirai/lib/src/framework/mirai.dart
@@ -92,6 +92,8 @@ class Mirai {
     const MiraiSliderParser(),
     const MiraiOpacityParser(),
     const MiraiPlaceholderParser(),
+    const MiraiAspectRatioParser(),
+    const MiraiFittedBoxParser(),
   ];
 
   static final _actionParsers = <MiraiActionParser>[
diff --git a/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.dart b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.dart
new file mode 100644
index 00000000..c4239708
--- /dev/null
+++ b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.dart
@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+export 'package:mirai/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio_parser.dart';
+
+part 'mirai_aspect_ratio.freezed.dart';
+part 'mirai_aspect_ratio.g.dart';
+
+@freezed
+class MiraiAspectRatio with _$MiraiAspectRatio {
+  const factory MiraiAspectRatio({
+    @Default(1) double aspectRatio,
+    Map<String, dynamic>? child,
+  }) = _MiraiAspectRatio;
+
+  factory MiraiAspectRatio.fromJson(Map<String, dynamic> json) =>
+      _$MiraiAspectRatioFromJson(json);
+}
diff --git a/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.freezed.dart b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.freezed.dart
new file mode 100644
index 00000000..8e0f9fed
--- /dev/null
+++ b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.freezed.dart
@@ -0,0 +1,195 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'mirai_aspect_ratio.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
+
+MiraiAspectRatio _$MiraiAspectRatioFromJson(Map<String, dynamic> json) {
+  return _MiraiAspectRatio.fromJson(json);
+}
+
+/// @nodoc
+mixin _$MiraiAspectRatio {
+  double get aspectRatio => throw _privateConstructorUsedError;
+  Map<String, dynamic>? get child => throw _privateConstructorUsedError;
+
+  /// Serializes this MiraiAspectRatio to a JSON map.
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
+
+  /// Create a copy of MiraiAspectRatio
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $MiraiAspectRatioCopyWith<MiraiAspectRatio> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $MiraiAspectRatioCopyWith<$Res> {
+  factory $MiraiAspectRatioCopyWith(
+          MiraiAspectRatio value, $Res Function(MiraiAspectRatio) then) =
+      _$MiraiAspectRatioCopyWithImpl<$Res, MiraiAspectRatio>;
+  @useResult
+  $Res call({double aspectRatio, Map<String, dynamic>? child});
+}
+
+/// @nodoc
+class _$MiraiAspectRatioCopyWithImpl<$Res, $Val extends MiraiAspectRatio>
+    implements $MiraiAspectRatioCopyWith<$Res> {
+  _$MiraiAspectRatioCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of MiraiAspectRatio
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? aspectRatio = null,
+    Object? child = freezed,
+  }) {
+    return _then(_value.copyWith(
+      aspectRatio: null == aspectRatio
+          ? _value.aspectRatio
+          : aspectRatio // ignore: cast_nullable_to_non_nullable
+              as double,
+      child: freezed == child
+          ? _value.child
+          : child // ignore: cast_nullable_to_non_nullable
+              as Map<String, dynamic>?,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$MiraiAspectRatioImplCopyWith<$Res>
+    implements $MiraiAspectRatioCopyWith<$Res> {
+  factory _$$MiraiAspectRatioImplCopyWith(_$MiraiAspectRatioImpl value,
+          $Res Function(_$MiraiAspectRatioImpl) then) =
+      __$$MiraiAspectRatioImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({double aspectRatio, Map<String, dynamic>? child});
+}
+
+/// @nodoc
+class __$$MiraiAspectRatioImplCopyWithImpl<$Res>
+    extends _$MiraiAspectRatioCopyWithImpl<$Res, _$MiraiAspectRatioImpl>
+    implements _$$MiraiAspectRatioImplCopyWith<$Res> {
+  __$$MiraiAspectRatioImplCopyWithImpl(_$MiraiAspectRatioImpl _value,
+      $Res Function(_$MiraiAspectRatioImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of MiraiAspectRatio
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? aspectRatio = null,
+    Object? child = freezed,
+  }) {
+    return _then(_$MiraiAspectRatioImpl(
+      aspectRatio: null == aspectRatio
+          ? _value.aspectRatio
+          : aspectRatio // ignore: cast_nullable_to_non_nullable
+              as double,
+      child: freezed == child
+          ? _value._child
+          : child // ignore: cast_nullable_to_non_nullable
+              as Map<String, dynamic>?,
+    ));
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _$MiraiAspectRatioImpl implements _MiraiAspectRatio {
+  const _$MiraiAspectRatioImpl(
+      {this.aspectRatio = 1, final Map<String, dynamic>? child})
+      : _child = child;
+
+  factory _$MiraiAspectRatioImpl.fromJson(Map<String, dynamic> json) =>
+      _$$MiraiAspectRatioImplFromJson(json);
+
+  @override
+  @JsonKey()
+  final double aspectRatio;
+  final Map<String, dynamic>? _child;
+  @override
+  Map<String, dynamic>? get child {
+    final value = _child;
+    if (value == null) return null;
+    if (_child is EqualUnmodifiableMapView) return _child;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableMapView(value);
+  }
+
+  @override
+  String toString() {
+    return 'MiraiAspectRatio(aspectRatio: $aspectRatio, child: $child)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$MiraiAspectRatioImpl &&
+            (identical(other.aspectRatio, aspectRatio) ||
+                other.aspectRatio == aspectRatio) &&
+            const DeepCollectionEquality().equals(other._child, _child));
+  }
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  int get hashCode => Object.hash(
+      runtimeType, aspectRatio, const DeepCollectionEquality().hash(_child));
+
+  /// Create a copy of MiraiAspectRatio
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$MiraiAspectRatioImplCopyWith<_$MiraiAspectRatioImpl> get copyWith =>
+      __$$MiraiAspectRatioImplCopyWithImpl<_$MiraiAspectRatioImpl>(
+          this, _$identity);
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$MiraiAspectRatioImplToJson(
+      this,
+    );
+  }
+}
+
+abstract class _MiraiAspectRatio implements MiraiAspectRatio {
+  const factory _MiraiAspectRatio(
+      {final double aspectRatio,
+      final Map<String, dynamic>? child}) = _$MiraiAspectRatioImpl;
+
+  factory _MiraiAspectRatio.fromJson(Map<String, dynamic> json) =
+      _$MiraiAspectRatioImpl.fromJson;
+
+  @override
+  double get aspectRatio;
+  @override
+  Map<String, dynamic>? get child;
+
+  /// Create a copy of MiraiAspectRatio
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$MiraiAspectRatioImplCopyWith<_$MiraiAspectRatioImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
diff --git a/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.g.dart b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.g.dart
new file mode 100644
index 00000000..2bc94e90
--- /dev/null
+++ b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.g.dart
@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'mirai_aspect_ratio.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_$MiraiAspectRatioImpl _$$MiraiAspectRatioImplFromJson(
+        Map<String, dynamic> json) =>
+    _$MiraiAspectRatioImpl(
+      aspectRatio: (json['aspectRatio'] as num?)?.toDouble() ?? 1,
+      child: json['child'] as Map<String, dynamic>?,
+    );
+
+Map<String, dynamic> _$$MiraiAspectRatioImplToJson(
+        _$MiraiAspectRatioImpl instance) =>
+    <String, dynamic>{
+      'aspectRatio': instance.aspectRatio,
+      'child': instance.child,
+    };
diff --git a/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio_parser.dart b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio_parser.dart
new file mode 100644
index 00000000..2eaf477a
--- /dev/null
+++ b/packages/mirai/lib/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio_parser.dart
@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:mirai/src/framework/framework.dart';
+import 'package:mirai/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.dart';
+import 'package:mirai/src/utils/widget_type.dart';
+import 'package:mirai_framework/mirai_framework.dart';
+
+class MiraiAspectRatioParser extends MiraiParser<MiraiAspectRatio> {
+  const MiraiAspectRatioParser();
+
+  @override
+  String get type => WidgetType.aspectRatio.name;
+
+  @override
+  MiraiAspectRatio getModel(Map<String, dynamic> json) =>
+      MiraiAspectRatio.fromJson(json);
+
+  @override
+  Widget parse(BuildContext context, MiraiAspectRatio model) {
+    return AspectRatio(
+      aspectRatio: model.aspectRatio,
+      child: Mirai.fromJson(model.child, context),
+    );
+  }
+}
diff --git a/packages/mirai/lib/src/parsers/parsers.dart b/packages/mirai/lib/src/parsers/parsers.dart
index a6d14bd7..9e1787d2 100644
--- a/packages/mirai/lib/src/parsers/parsers.dart
+++ b/packages/mirai/lib/src/parsers/parsers.dart
@@ -87,3 +87,5 @@ export 'package:mirai/src/parsers/mirai_radio_group/mirai_radio_group.dart';
 export 'package:mirai/src/parsers/mirai_slider/mirai_slider.dart';
 export 'package:mirai/src/parsers/mirai_opacity/mirai_opacity.dart';
 export 'package:mirai/src/parsers/mirai_placeholder/mirai_placeholder.dart';
+export 'package:mirai/src/parsers/mirai_aspect_ratio/mirai_aspect_ratio.dart';
+export 'package:mirai/src/parsers/mirai_fitted_box/mirai_fitted_box.dart';
diff --git a/packages/mirai/lib/src/utils/widget_type.dart b/packages/mirai/lib/src/utils/widget_type.dart
index a8262727..c14bcd9c 100644
--- a/packages/mirai/lib/src/utils/widget_type.dart
+++ b/packages/mirai/lib/src/utils/widget_type.dart
@@ -62,4 +62,6 @@ enum WidgetType {
   slider,
   opacity,
   placeholder,
+  aspectRatio,
+  fittedBox,
 }