diff --git a/mnemo_cards_backend/lib/cron/tasks_seeder.dart b/mnemo_cards_backend/lib/cron/tasks_seeder.dart
index 5c28564..0f215f5 100644
--- a/mnemo_cards_backend/lib/cron/tasks_seeder.dart
+++ b/mnemo_cards_backend/lib/cron/tasks_seeder.dart
@@ -16,13 +16,6 @@ class TasksSeederTask with cron_task.Task {
     print('Seeding initial user tasks...');
 
     try {
-      // Check if tasks already exist
-      final existingTasks = await _db.taskDao.getAllUserTasks();
-      if (existingTasks.isNotEmpty) {
-        print('Tasks already exist, skipping seeding');
-        return;
-      }
-
       final now = DateTime.now();
       final weekFromNow = now.add(const Duration(days: 7));
 
@@ -203,9 +196,11 @@ class TasksSeederTask with cron_task.Task {
       ];
 
       // Convert UserTaskModel to UserTasksCompanion and insert
+      // Используем InsertMode.insertOrIgnore для автоматического игнорирования дубликатов через ON CONFLICT
       for (final taskModel in tasks) {
         final rewardsJson = taskModel.rewards.map((r) => r.toJson()).toList();
-        await _db.taskDao.createUserTask(
+        
+        await _db.into(_db.userTasks).insert(
           UserTasksCompanion.insert(
             title: taskModel.title,
             description: taskModel.description,
@@ -221,10 +216,11 @@ class TasksSeederTask with cron_task.Task {
             tags: Value(taskModel.tags),
             imageUrl: Value(taskModel.imageUrl),
           ),
+          mode: InsertMode.insertOrIgnore, // ON CONFLICT DO NOTHING
         );
       }
 
-      print('Successfully seeded ${tasks.length} user tasks');
+      print('Successfully seeded ${tasks.length} user tasks (duplicates ignored)');
     } catch (e) {
       print('Error seeding tasks: $e');
       rethrow;