diff --git a/devtools_options.yaml b/devtools_options.yaml
new file mode 100644
index 00000000..7e7e7f67
--- /dev/null
+++ b/devtools_options.yaml
@@ -0,0 +1 @@
+extensions:
diff --git a/lib/data/a_map_result.g.dart b/lib/data/a_map_result.g.dart
new file mode 100644
index 00000000..7293a784
--- /dev/null
+++ b/lib/data/a_map_result.g.dart
@@ -0,0 +1,129 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'a_map_result.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+AMapResult _$AMapResultFromJson(Map<String, dynamic> json) => AMapResult(
+      status: json['status'] as String?,
+      regeocode: json['regeocode'] == null
+          ? null
+          : Regeocode.fromJson(json['regeocode'] as Map<String, dynamic>),
+      info: json['info'] as String?,
+      infocode: json['infocode'] as String?,
+    );
+
+Map<String, dynamic> _$AMapResultToJson(AMapResult instance) =>
+    <String, dynamic>{
+      'status': instance.status,
+      'regeocode': instance.regeocode?.toJson(),
+      'info': instance.info,
+      'infocode': instance.infocode,
+    };
+
+Regeocode _$RegeocodeFromJson(Map<String, dynamic> json) => Regeocode(
+      addressComponent: json['addressComponent'] == null
+          ? null
+          : AddressComponent.fromJson(
+              json['addressComponent'] as Map<String, dynamic>),
+      formattedAddress: json['formattedAddress'] as String?,
+    );
+
+Map<String, dynamic> _$RegeocodeToJson(Regeocode instance) => <String, dynamic>{
+      'addressComponent': instance.addressComponent?.toJson(),
+      'formattedAddress': instance.formattedAddress,
+    };
+
+AddressComponent _$AddressComponentFromJson(Map<String, dynamic> json) =>
+    AddressComponent(
+      city: json['city'] as String?,
+      province: json['province'] as String?,
+      adcode: json['adcode'] as String?,
+      district: json['district'] as String?,
+      towncode: json['towncode'] as String?,
+      streetNumber: json['streetNumber'] == null
+          ? null
+          : StreetNumber.fromJson(json['streetNumber'] as Map<String, dynamic>),
+      country: json['country'] as String?,
+      township: json['township'] as String?,
+      businessAreas: (json['businessAreas'] as List<dynamic>?)
+          ?.map((e) => BusinessAreas.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      building: json['building'] == null
+          ? null
+          : Building.fromJson(json['building'] as Map<String, dynamic>),
+      neighborhood: json['neighborhood'] == null
+          ? null
+          : Neighborhood.fromJson(json['neighborhood'] as Map<String, dynamic>),
+      citycode: json['citycode'] as String?,
+    );
+
+Map<String, dynamic> _$AddressComponentToJson(AddressComponent instance) =>
+    <String, dynamic>{
+      'city': instance.city,
+      'province': instance.province,
+      'adcode': instance.adcode,
+      'district': instance.district,
+      'towncode': instance.towncode,
+      'streetNumber': instance.streetNumber?.toJson(),
+      'country': instance.country,
+      'township': instance.township,
+      'businessAreas': instance.businessAreas?.map((e) => e.toJson()).toList(),
+      'building': instance.building?.toJson(),
+      'neighborhood': instance.neighborhood?.toJson(),
+      'citycode': instance.citycode,
+    };
+
+StreetNumber _$StreetNumberFromJson(Map<String, dynamic> json) => StreetNumber(
+      number: json['number'] as String?,
+      location: json['location'] as String?,
+      direction: json['direction'] as String?,
+      distance: json['distance'] as String?,
+      street: json['street'] as String?,
+    );
+
+Map<String, dynamic> _$StreetNumberToJson(StreetNumber instance) =>
+    <String, dynamic>{
+      'number': instance.number,
+      'location': instance.location,
+      'direction': instance.direction,
+      'distance': instance.distance,
+      'street': instance.street,
+    };
+
+BusinessAreas _$BusinessAreasFromJson(Map<String, dynamic> json) =>
+    BusinessAreas(
+      location: json['location'] as String?,
+      name: json['name'] as String?,
+      id: json['id'] as String?,
+    );
+
+Map<String, dynamic> _$BusinessAreasToJson(BusinessAreas instance) =>
+    <String, dynamic>{
+      'location': instance.location,
+      'name': instance.name,
+      'id': instance.id,
+    };
+
+Building _$BuildingFromJson(Map<String, dynamic> json) => Building(
+      name: json['name'] as List<dynamic>?,
+      type: json['type'] as List<dynamic>?,
+    );
+
+Map<String, dynamic> _$BuildingToJson(Building instance) => <String, dynamic>{
+      'name': instance.name,
+      'type': instance.type,
+    };
+
+Neighborhood _$NeighborhoodFromJson(Map<String, dynamic> json) => Neighborhood(
+      name: json['name'] as List<dynamic>?,
+      type: json['type'] as List<dynamic>?,
+    );
+
+Map<String, dynamic> _$NeighborhoodToJson(Neighborhood instance) =>
+    <String, dynamic>{
+      'name': instance.name,
+      'type': instance.type,
+    };