add

lib/models/index.dart

@@ -10,4 +10,5 @@ part 'ad_model.dart';
 part 'user_model.dart';
 part 'msg.dart';
 part 'study_history.dart';
-part 'library.dart';
\ No newline at end of file
+part 'library.dart';
+part 'mine.dart';
\ No newline at end of file