diff --git a/.gitignore b/.gitignore
index c9dff014..42be1ec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /__pycache__
 /vpn_users.db
 /config.py
+/database.db
diff --git a/bot.py b/bot.py
index 6e115079..808c1df8 100644
--- a/bot.py
+++ b/bot.py
@@ -8,6 +8,9 @@ from auth import login_with_credentials, link
 from client import add_client, generate_client_id
 from datetime import datetime, timedelta
 from config import API_TOKEN, ADMIN_PASSWORD, ADMIN_USERNAME
+from database import add_connection, DATABASE_PATH
+import uuid
+import aiosqlite
 
 
 
@@ -41,23 +44,43 @@ async def handle_text(message: types.Message, state: FSMContext):
         try:
             session = login_with_credentials(ADMIN_USERNAME, ADMIN_PASSWORD)
 
+            # Параметры клиента
+            email = message.text
             tg_id = message.from_user.id
 
-            email = message.text
-            client_id = generate_client_id()
-            email = message.text
-            limit_ip = 1
-            total_gb = 0
-            current_time = datetime.utcnow()
-            expiry_time = int((current_time + timedelta(days=30)).timestamp() * 1000)
-            enable = True
-            flow = "xtls-rprx-vision"
+            # Проверяем наличие активного ключа
+            async with aiosqlite.connect(DATABASE_PATH) as db:
+                async with db.execute('''
+                    SELECT * FROM connections
+                    WHERE tg_id = ? AND expiry_time > ?
+                ''', (tg_id, int(datetime.utcnow().timestamp() * 1000))) as cursor:
+                    existing_key = await cursor.fetchone()
+            
+            if existing_key:
+                await message.reply("У вас уже есть активный ключ. Вы не можете создать больше одного ключа.")
+            else:
+                # Генерация нового ключа
+                client_id = str(uuid.uuid4())
+                limit_ip = 1
+                total_gb = 0
+                current_time = datetime.utcnow()
+                expiry_time = int((current_time + timedelta(days=30)).timestamp() * 1000)
+                enable = True
+                flow = "xtls-rprx-vision"
 
-            add_client(session, client_id, email, tg_id, limit_ip, total_gb, expiry_time, enable, flow)
-            connection_link = link(session, email)
+                # Добавление клиента (функция для создания клиента)
+                result = add_client(session, client_id, email, tg_id, limit_ip, total_gb, expiry_time, enable, flow)
 
-            await message.reply(f"Ключ создан:\n<pre>{connection_link}</pre>", parse_mode="HTML")
+                # Сохранение данных в базу данных
+                await add_connection(tg_id, client_id, email, expiry_time)
 
+                # Получение ссылки на подключение
+                connection_link = link(session, email)
+
+                # Отправка ключа в виде цитаты
+                await message.reply(f"Ключ создан:\n<pre>{connection_link}</pre>", parse_mode="HTML")
+
+            # Сброс состояния
             await state.clear()
         except Exception as e:
-            await message.reply(f"Произошла ошибка: {e}")
+            await message.reply(f"Произошла ошибка: {e}")
\ No newline at end of file
diff --git a/bot_old.py b/bot_old.py
index 32265eae..a245a5b1 100644
--- a/bot_old.py
+++ b/bot_old.py
@@ -3,7 +3,7 @@ from aiogram.filters import Command
 from aiogram.types import Message
 from aiogram.filters import Command
 import requests
-from database import add_user, get_user, update_subscription
+# from database import add_user, get_user, update_subscription
 from aiogram.types import InlineKeyboardButton, InlineKeyboardMarkup
 from aiogram.fsm.storage.memory import MemoryStorage
 from aiogram.fsm.context import FSMContext
diff --git a/database.py b/database.py
index 2836e3eb..3f02fd85 100644
--- a/database.py
+++ b/database.py
@@ -1,38 +1,27 @@
-from sqlalchemy import create_engine, Column, Integer, String, DateTime
-from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import sessionmaker
-import datetime
+import aiosqlite
+from datetime import datetime
 
-DATABASE_URL = 'sqlite:///vpn_users.db'
+DATABASE_PATH = 'database.db'
 
-engine = create_engine(DATABASE_URL)
-Session = sessionmaker(bind=engine)
-session = Session()
-Base = declarative_base()
+async def init_db():
+    async with aiosqlite.connect(DATABASE_PATH) as db:
+        await db.execute('''
+            CREATE TABLE IF NOT EXISTS connections (
+                tg_id INTEGER NOT NULL,
+                client_id TEXT NOT NULL,
+                email TEXT NOT NULL,
+                expiry_time INTEGER NOT NULL,
+                PRIMARY KEY (tg_id, client_id)
+            )
+        ''')
+        await db.commit()
 
-class VPNUser(Base):
-    __tablename__ = 'vpn_users'
-    
-    id = Column(Integer, primary_key=True)
-    telegram_id = Column(Integer, unique=True)
-    username = Column(String)
-    subscription_end = Column(DateTime)
-    access_key = Column(String)
+async def add_connection(tg_id: int, client_id: str, email: str, expiry_time: int):
+    async with aiosqlite.connect(DATABASE_PATH) as db:
+        # Добавляем новый ключ
+        await db.execute('''
+            INSERT INTO connections (tg_id, client_id, email, expiry_time)
+            VALUES (?, ?, ?, ?)
+        ''', (tg_id, client_id, email, expiry_time))
+        await db.commit()
 
-Base.metadata.create_all(engine)
-
-def add_user(telegram_id, username, access_key):
-    user = VPNUser(telegram_id=telegram_id, username=username, 
-                   subscription_end=datetime.datetime.now() + datetime.timedelta(days=30),
-                   access_key=access_key)
-    session.add(user)
-    session.commit()
-
-def get_user(telegram_id):
-    return session.query(VPNUser).filter(VPNUser.telegram_id == telegram_id).first()
-
-def update_subscription(telegram_id, days):
-    user = get_user(telegram_id)
-    if user:
-        user.subscription_end += datetime.timedelta(days=days)
-        session.commit()
diff --git a/main.py b/main.py
index 1c3d37a6..2dfa6634 100644
--- a/main.py
+++ b/main.py
@@ -1,7 +1,9 @@
 import asyncio
 from bot import dp, router, bot
+from database import init_db
 
 async def main():
+    await init_db()
     dp.include_router(router)  # Подключение роутера
     await dp.start_polling(bot)  # Запуск поллинга