opt: follow btn text

lib/models/space/data.dart

@@ -21,6 +21,8 @@ part 'data.g.dart';
 @JsonSerializable()
 class Data {
   int? relation;
+  @JsonKey(name: 'rel_special')
+  int? relSpecial;
   @JsonKey(name: 'guest_relation')
   int? guestRelation;
   @JsonKey(name: 'default_tab')
@@ -54,6 +56,7 @@ class Data {
 
   Data({
     this.relation,
+    this.relSpecial,
     this.guestRelation,
     this.defaultTab,
     this.isParams,

lib/models/space/data.g.dart

@@ -8,6 +8,7 @@ part of 'data.dart';
 
 Data _$DataFromJson(Map<String, dynamic> json) => Data(
       relation: (json['relation'] as num?)?.toInt(),
+      relSpecial: (json['rel_special'] as num?)?.toInt(),
       guestRelation: (json['guest_relation'] as num?)?.toInt(),
       defaultTab: json['default_tab'] as String?,
       isParams: json['is_params'] as bool?,
@@ -64,6 +65,7 @@ Data _$DataFromJson(Map<String, dynamic> json) => Data(
 
 Map<String, dynamic> _$DataToJson(Data instance) => <String, dynamic>{
       'relation': instance.relation,
+      'rel_special': instance.relSpecial,
       'guest_relation': instance.guestRelation,
       'default_tab': instance.defaultTab,
       'is_params': instance.isParams,