opt handle res

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/relation/data.dart

@@ -0,0 +1,17 @@
+class Relation {
+  int? mid;
+  int? attribute;
+  int? mtime;
+  dynamic tag;
+  int? special;
+
+  Relation({this.mid, this.attribute, this.mtime, this.tag, this.special});
+
+  factory Relation.fromJson(Map<String, dynamic> json) => Relation(
+        mid: json['mid'] as int?,
+        attribute: json['attribute'] as int?,
+        mtime: json['mtime'] as int?,
+        tag: json['tag'] as dynamic,
+        special: json['special'] as int?,
+      );
+}