fix

lib/models/image_list_resp.dart

@@ -0,0 +1,17 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:momo/models/image_resp.dart';
+
+part 'image_list_resp.g.dart';
+
+@JsonSerializable()
+class ImageListResp {
+  List<ImageResp> list;
+  int total;
+
+  ImageListResp(this.list, this.total);
+
+  factory ImageListResp.fromJson(Map<String, dynamic> json) =>
+      _$ImageListRespFromJson(json);
+
+  Map<String, dynamic> toJson() => _$ImageListRespToJson(this);
+}

lib/models/image_list_resp.g.dart

@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'image_list_resp.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+ImageListResp _$ImageListRespFromJson(Map<String, dynamic> json) =>
+    ImageListResp(
+      (json['list'] as List<dynamic>)
+          .map((e) => ImageResp.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      json['total'] as int,
+    );
+
+Map<String, dynamic> _$ImageListRespToJson(ImageListResp instance) =>
+    <String, dynamic>{
+      'list': instance.list,
+      'total': instance.total,
+    };

lib/models/image_resp.dart

@@ -0,0 +1,30 @@
+import 'dart:ffi';
+
+import 'package:json_annotation/json_annotation.dart';
+
+part 'image_resp.g.dart';
+
+@JsonSerializable()
+class ImageResp {
+  int id;
+  String file_name;
+  String file_path;
+  int upload_time;
+  int size;
+  int width;
+  int height;
+
+  ImageResp(this.id, this.file_name, this.file_path, this.upload_time,
+      this.size, this.width, this.height);
+
+  /// A necessary factory constructor for creating a new Configs instance
+  /// from a map. Pass the map to the generated `_$ConfigsFromJson()` constructor.
+  /// The constructor is named after the source class, in this case, Configs.
+  factory ImageResp.fromJson(Map<String, dynamic> json) =>
+      _$ImageRespFromJson(json);
+
+  /// `toJson` is the convention for a class to declare support for serialization
+  /// to JSON. The implementation simply calls the private, generated
+  /// helper method `_$ImageRespToJson`.
+  Map<String, dynamic> toJson() => _$ImageRespToJson(this);
+}

lib/models/image_resp.g.dart

@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'image_resp.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+ImageResp _$ImageRespFromJson(Map<String, dynamic> json) => ImageResp(
+      json['id'] as int,
+      json['file_name'] as String,
+      json['file_path'] as String,
+      json['upload_time'] as int,
+      json['size'] as int,
+      json['width'] as int,
+      json['height'] as int,
+    );
+
+Map<String, dynamic> _$ImageRespToJson(ImageResp instance) => <String, dynamic>{
+      'id': instance.id,
+      'file_name': instance.file_name,
+      'file_path': instance.file_path,
+      'upload_time': instance.upload_time,
+      'size': instance.size,
+      'width': instance.width,
+      'height': instance.height,
+    };