diff --git a/.bot.pid b/.bot.pid
index 36e4afd..c93c25b 100644
--- a/.bot.pid
+++ b/.bot.pid
@@ -1 +1 @@
-851623
+859161
diff --git a/src/core/services.py b/src/core/services.py
index cb59336..b627055 100644
--- a/src/core/services.py
+++ b/src/core/services.py
@@ -583,19 +583,47 @@ class ParticipationService:
                     results["errors"].append(f"Пользователь с счётом {formatted_account}{card_info} не найден")
                     continue
                 
-                # Пробуем добавить в розыгрыш
-                if await ParticipationService.add_participant(session, lottery_id, user.id):
-                    results["added"] += 1
-                    detail = f"{user.first_name} ({formatted_account})"
-                    if card_number:
-                        detail = f"{user.first_name} (карта: {card_number}, счёт: {formatted_account})"
-                    results["details"].append(detail)
-                else:
+                # Получаем запись Account для этого счета
+                account_record = await session.execute(
+                    select(Account).where(Account.account_number == formatted_account)
+                )
+                account_record = account_record.scalar_one_or_none()
+                
+                if not account_record:
+                    card_info = f" (карта: {card_number})" if card_number else ""
+                    results["errors"].append(f"Запись счета {formatted_account}{card_info} не найдена в базе")
+                    continue
+                
+                # Проверяем, не участвует ли уже этот счет
+                existing = await session.execute(
+                    select(Participation).where(
+                        Participation.lottery_id == lottery_id,
+                        Participation.account_number == formatted_account
+                    )
+                )
+                if existing.scalar_one_or_none():
                     results["skipped"] += 1
                     detail = f"{user.first_name} ({formatted_account})"
                     if card_number:
                         detail = f"{user.first_name} (карта: {card_number}, счёт: {formatted_account})"
                     results["details"].append(f"Уже участвует: {detail}")
+                    continue
+                
+                # Добавляем участие по счету
+                participation = Participation(
+                    lottery_id=lottery_id,
+                    user_id=user.id,
+                    account_id=account_record.id,
+                    account_number=formatted_account
+                )
+                session.add(participation)
+                await session.commit()
+                
+                results["added"] += 1
+                detail = f"{user.first_name} ({formatted_account})"
+                if card_number:
+                    detail = f"{user.first_name} (карта: {card_number}, счёт: {formatted_account})"
+                results["details"].append(detail)
                     
             except Exception as e:
                 results["errors"].append(f"Ошибка с {account_input}: {str(e)}")
@@ -650,8 +678,19 @@ class ParticipationService:
                     results["details"].append(f"Не найден: {formatted_account}{card_info}")
                     continue
                 
-                # Пробуем удалить из розыгрыша
-                if await ParticipationService.remove_participant(session, lottery_id, user.id):
+                # Ищем участие по номеру счета (не по user_id!)
+                participation = await session.execute(
+                    select(Participation).where(
+                        Participation.lottery_id == lottery_id,
+                        Participation.account_number == formatted_account
+                    )
+                )
+                participation = participation.scalar_one_or_none()
+                
+                if participation:
+                    await session.delete(participation)
+                    await session.commit()
+                    
                     results["removed"] += 1
                     detail = f"{user.first_name} ({formatted_account})"
                     if card_number: