diff --git a/Dockerfile b/Dockerfile
index ab60e48..2a24d53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 FROM python:3.11-slim
 WORKDIR /app
 COPY . /app
-RUN pip install --no-cache-dir python-telegram-bot sqlalchemy python-dotenv
+RUN apt update && apt install -y gcc && apt install -y sqlite3
+RUN pip install --no-cache-dir -r requirements.txt
 CMD ["python", "main.py"]
diff --git a/db.py b/db.py
index 9f68878..9d438fa 100644
--- a/db.py
+++ b/db.py
@@ -1,13 +1,42 @@
-import os
-from sqlalchemy import create_engine
-from sqlalchemy.orm import sessionmaker
-from models import Base
 from dotenv import load_dotenv
-
 load_dotenv()
-DATABASE_URL = os.getenv('DATABASE_URL', 'sqlite:///bot.db')
-engine = create_engine(DATABASE_URL, echo=True)
-SessionLocal = sessionmaker(bind=engine)
+import os
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.orm import declarative_base
+from sqlalchemy.ext.asyncio import async_sessionmaker
 
-def init_db():
-    Base.metadata.create_all(engine)
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///bot.db")
+
+if DATABASE_URL.startswith("sqlite+aiosqlite:///"):
+    db_path = DATABASE_URL.replace("sqlite+aiosqlite:///", "")
+    abs_db_path = os.path.abspath(db_path)
+    db_dir = os.path.dirname(abs_db_path)
+    if db_dir and not os.path.exists(db_dir):
+        os.makedirs(db_dir, exist_ok=True)
+
+engine = create_async_engine(DATABASE_URL, future=True, echo=False)
+AsyncSessionLocal = async_sessionmaker(engine, expire_on_commit=False)
+Base = declarative_base()
+
+async def init_db():
+    print(f'База данных: {DATABASE_URL}')
+    need_create = False
+    if DATABASE_URL.startswith("sqlite+aiosqlite:///"):
+        db_path = DATABASE_URL.replace("sqlite+aiosqlite:///", "")
+        abs_db_path = os.path.abspath(db_path)
+        print(f"Абсолютный путь к базе данных: {abs_db_path}")
+        if not os.path.exists(abs_db_path):
+            print("Файл базы данных отсутствует, будет создан.")
+            need_create = True
+    else:
+        print(f"База данных: {DATABASE_URL}")
+        # Для других СУБД всегда пытаемся создать таблицы
+        need_create = True
+
+    if need_create:
+        async with engine.begin() as conn:
+            await conn.run_sync(Base.metadata.create_all)
+            tables = Base.metadata.tables.keys()
+            print(f"Созданы таблицы: {', '.join(tables)}")
+    else:
+        print("База данных уже существует, создание таблиц пропущено.")
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 8001b78..082c0c5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.8'
 services:
   bot:
     build: .
diff --git a/handlers/add_button.py b/handlers/add_button.py
index 87a5922..e30319e 100644
--- a/handlers/add_button.py
+++ b/handlers/add_button.py
@@ -1,58 +1,76 @@
-from telegram import Update
+from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import ContextTypes, ConversationHandler, CommandHandler, CallbackQueryHandler, MessageHandler, filters
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Channel, Group, Button
 
 SELECT_TARGET, INPUT_NAME, INPUT_URL = range(3)
 
 async def add_button_start(update: Update, context: ContextTypes.DEFAULT_TYPE):
     # Если выбран канал или группа уже сохранены — сразу переход к названию
-    if context.user_data.get('channel_id'):
-        context.user_data['target'] = f"channel_{context.user_data['channel_id']}"
-        await update.message.reply_text('Введите название кнопки:')
+    if context.user_data is None:
+        context.user_data = {}
+    user_data = context.user_data
+    if user_data.get('channel_id'):
+        context.user_data['target'] = f"channel_{user_data['channel_id']}"
+        if update.message:
+            await update.message.reply_text('Введите название кнопки:')
         return INPUT_NAME
-    elif context.user_data.get('group_id'):
-        context.user_data['target'] = f"group_{context.user_data['group_id']}"
-        await update.message.reply_text('Введите название кнопки:')
+    elif user_data.get('group_id'):
+        context.user_data['target'] = f"group_{user_data['group_id']}"
+        if update.message:
+            await update.message.reply_text('Введите название кнопки:')
         return INPUT_NAME
     # Если нет — стандартный выбор
-    session = SessionLocal()
-    channels = session.query(Channel).all()
-    groups = session.query(Group).all()
-    session.close()
+    from sqlalchemy import select
+    async with AsyncSessionLocal() as session:
+        result_channels = await session.execute(select(Channel))
+        channels = result_channels.scalars().all()
+        result_groups = await session.execute(select(Group))
+        groups = result_groups.scalars().all()
     keyboard = []
     for c in channels:
-        keyboard.append([{'text': f'Канал: {c.name}', 'callback_data': f'channel_{c.id}'}])
+        keyboard.append([InlineKeyboardButton(f'Канал: {getattr(c, "name", str(c.name))}', callback_data=f'channel_{getattr(c, "id", str(c.id))}')])
     for g in groups:
-        keyboard.append([{'text': f'Группа: {g.name}', 'callback_data': f'group_{g.id}'}])
+        keyboard.append([InlineKeyboardButton(f'Группа: {getattr(g, "name", str(g.name))}', callback_data=f'group_{getattr(g, "id", str(g.id))}')])
     if not keyboard:
-        await update.message.reply_text('Нет каналов или групп для добавления кнопки.')
+        if update.message:
+            await update.message.reply_text('Нет каналов или групп для добавления кнопки.')
         return ConversationHandler.END
-    await update.message.reply_text('Выберите канал или группу:', reply_markup=None)
+    if update.message:
+        await update.message.reply_text('Выберите канал или группу:', reply_markup=InlineKeyboardMarkup(keyboard))
     context.user_data['keyboard'] = keyboard
     return SELECT_TARGET
 
 async def select_target(update: Update, context: ContextTypes.DEFAULT_TYPE):
+    if context.user_data is None:
+        context.user_data = {}
     query = update.callback_query
-    await query.answer()
-    data = query.data
-    context.user_data['target'] = data
-    await query.edit_message_text('Введите название кнопки:')
-    return INPUT_NAME
+    if query:
+        await query.answer()
+        data = query.data
+        context.user_data['target'] = data
+        await query.edit_message_text('Введите название кнопки:')
+        return INPUT_NAME
+    return ConversationHandler.END
 
 async def input_name(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    context.user_data['button_name'] = update.message.text
-    await update.message.reply_text('Введите ссылку для кнопки:')
-    return INPUT_URL
+    if context.user_data is None:
+        context.user_data = {}
+    if update.message and hasattr(update.message, 'text'):
+        context.user_data['button_name'] = update.message.text
+        await update.message.reply_text('Введите ссылку для кнопки:')
+        return INPUT_URL
+    return ConversationHandler.END
 
 async def input_url(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    url = update.message.text
-    name = context.user_data.get('button_name')
-    target = context.user_data.get('target')
-    if not target or ('_' not in target):
-        await update.message.reply_text('Ошибка: не выбран канал или группа. Попробуйте снова.')
+    url = update.message.text if update.message and hasattr(update.message, 'text') else None
+    name = context.user_data.get('button_name') if context.user_data else None
+    target = context.user_data.get('target') if context.user_data else None
+    if not url or not name or not target or ('_' not in target):
+        if update.message:
+            await update.message.reply_text('Ошибка: не выбран канал или группа. Попробуйте снова.')
         return ConversationHandler.END
-    session = SessionLocal()
+    session = AsyncSessionLocal()
     try:
         type_, obj_id = target.split('_', 1)
         obj_id = int(obj_id)
@@ -61,16 +79,19 @@ async def input_url(update: Update, context: ContextTypes.DEFAULT_TYPE):
         elif type_ == 'group':
             button = Button(name=name, url=url, group_id=obj_id)
         else:
-            await update.message.reply_text('Ошибка: неверный тип объекта.')
-            session.close()
+            if update.message:
+                await update.message.reply_text('Ошибка: неверный тип объекта.')
+            await session.close()
             return ConversationHandler.END
         session.add(button)
-        session.commit()
-        await update.message.reply_text('Кнопка добавлена.')
+        await session.commit()
+        if update.message:
+            await update.message.reply_text('Кнопка добавлена.')
     except Exception as e:
-        await update.message.reply_text(f'Ошибка при добавлении кнопки: {e}')
+        if update.message:
+            await update.message.reply_text(f'Ошибка при добавлении кнопки: {e}')
     finally:
-        session.close()
+        await session.close()
     return ConversationHandler.END
 
 add_button_conv = ConversationHandler(
@@ -81,4 +102,4 @@ add_button_conv = ConversationHandler(
         INPUT_URL: [MessageHandler(filters.TEXT & ~filters.COMMAND, input_url)],
     },
     fallbacks=[]
-)
+    )
diff --git a/handlers/add_channel.py b/handlers/add_channel.py
index a05e1d2..505cdd8 100644
--- a/handlers/add_channel.py
+++ b/handlers/add_channel.py
@@ -1,17 +1,18 @@
 from telegram import Update
 from telegram.ext import ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Channel
 
 async def add_channel(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    args = context.args
+    args = context.args or []
+    if update.message is None:
+        return
     if len(args) < 2:
         await update.message.reply_text('Используйте: /add_channel <название> <ссылка>')
         return
     name, link = args[0], args[1]
-    session = SessionLocal()
-    channel = Channel(name=name, link=link)
-    session.add(channel)
-    session.commit()
-    session.close()
+    async with AsyncSessionLocal() as session:
+        channel = Channel(name=name, link=link)
+        session.add(channel)
+        await session.commit()
     await update.message.reply_text(f'Канал "{name}" добавлен.')
diff --git a/handlers/add_group.py b/handlers/add_group.py
index 7a3d848..8ecfe46 100644
--- a/handlers/add_group.py
+++ b/handlers/add_group.py
@@ -1,15 +1,17 @@
 from telegram import Update
 from telegram.ext import ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Group
 
 async def add_group(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    args = context.args
+    args = context.args or []
+    if update.message is None:
+        return
     if len(args) < 2:
         await update.message.reply_text('Используйте: /add_group <название> <ссылка>')
         return
     name, link = args[0], args[1]
-    session = SessionLocal()
+    session = AsyncSessionLocal()
     group = Group(name=name, link=link)
     session.add(group)
     session.commit()
diff --git a/handlers/channel_buttons.py b/handlers/channel_buttons.py
index 7c0f3a2..6b641a6 100644
--- a/handlers/channel_buttons.py
+++ b/handlers/channel_buttons.py
@@ -1,34 +1,47 @@
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import CommandHandler, CallbackQueryHandler, ConversationHandler, ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Channel, Button
 
 SELECT_CHANNEL, MANAGE_BUTTONS = range(2)
 
 async def channel_buttons_start(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    session = SessionLocal()
-    channels = session.query(Channel).all()
-    session.close()
-    keyboard = [[InlineKeyboardButton(c.name, callback_data=str(c.id))] for c in channels]
-    await update.message.reply_text(
-        "Выберите канал для настройки клавиатуры:",
-        reply_markup=InlineKeyboardMarkup(keyboard)
-    )
-    return SELECT_CHANNEL
+    from sqlalchemy import select
+    session = AsyncSessionLocal()
+    try:
+        channels_result = await session.execute(select(Channel))
+        channels = channels_result.scalars().all()
+        keyboard = [[InlineKeyboardButton(f'{getattr(c, "name", str(c.name))}', callback_data=str(getattr(c, "id", str(c.id))))] for c in channels]
+        if update.message:
+            await update.message.reply_text(
+                "Выберите канал для настройки клавиатуры:",
+                reply_markup=InlineKeyboardMarkup(keyboard)
+            )
+            return SELECT_CHANNEL
+        return ConversationHandler.END
+    finally:
+        await session.close()
 
 async def select_channel(update: Update, context: ContextTypes.DEFAULT_TYPE):
     query = update.callback_query
-    await query.answer()
-    channel_id = int(query.data)
-    context.user_data['channel_id'] = channel_id
-    session = SessionLocal()
-    buttons = session.query(Button).filter_by(channel_id=channel_id).all()
-    session.close()
-    text = "Кнопки этого канала:\n"
-    for b in buttons:
-        text += f"- {b.name}: {b.url}\n"
-    text += "\nДобавить новую кнопку: /add_button\nУдалить: /del_button <название>"
-    await query.edit_message_text(text)
+    if query and query.data:
+        await query.answer()
+        channel_id = int(query.data)
+        if context.user_data is None:
+            context.user_data = {}
+        context.user_data['channel_id'] = channel_id
+        from sqlalchemy import select
+        session = AsyncSessionLocal()
+        try:
+            buttons_result = await session.execute(select(Button).where(Button.channel_id == channel_id))
+            buttons = buttons_result.scalars().all()
+            text = "Кнопки этого канала:\n"
+            for b in buttons:
+                text += f"- {b.name}: {b.url}\n"
+            text += "\nДобавить новую кнопку: /add_button\nУдалить: /del_button <название>"
+            await query.edit_message_text(text)
+        finally:
+            await session.close()
     return ConversationHandler.END
 
 channel_buttons_conv = ConversationHandler(
@@ -37,4 +50,4 @@ channel_buttons_conv = ConversationHandler(
         SELECT_CHANNEL: [CallbackQueryHandler(select_channel)],
     },
     fallbacks=[]
-)
+    )
diff --git a/handlers/del_button.py b/handlers/del_button.py
index c2055bc..0881dd3 100644
--- a/handlers/del_button.py
+++ b/handlers/del_button.py
@@ -1,21 +1,27 @@
 from telegram import Update
 from telegram.ext import CommandHandler, ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Button
 
 async def del_button(update: Update, context: ContextTypes.DEFAULT_TYPE):
     args = context.args
     if not args:
-        await update.message.reply_text('Используйте: /del_button <название>')
+        if update.message:
+            await update.message.reply_text('Используйте: /del_button <название>')
         return
     name = args[0]
-    session = SessionLocal()
-    button = session.query(Button).filter_by(name=name).first()
-    if not button:
-        await update.message.reply_text('Кнопка не найдена.')
-        session.close()
-        return
-    session.delete(button)
-    session.commit()
-    session.close()
-    await update.message.reply_text(f'Кнопка "{name}" удалена.')
+    session = AsyncSessionLocal()
+    try:
+        from sqlalchemy import select
+        result = await session.execute(select(Button).where(Button.name == name))
+        button = result.scalar_one_or_none()
+        if not button:
+            if update.message:
+                await update.message.reply_text('Кнопка не найдена.')
+            return
+        await session.delete(button)
+        await session.commit()
+        if update.message:
+            await update.message.reply_text(f'Кнопка "{name}" удалена.')
+    finally:
+        await session.close()
diff --git a/handlers/edit_button.py b/handlers/edit_button.py
index 270988d..2db3aad 100644
--- a/handlers/edit_button.py
+++ b/handlers/edit_button.py
@@ -1,6 +1,6 @@
 from telegram import Update
 from telegram.ext import CommandHandler, ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Button
 
 async def edit_button(update: Update, context: ContextTypes.DEFAULT_TYPE):
@@ -9,14 +9,18 @@ async def edit_button(update: Update, context: ContextTypes.DEFAULT_TYPE):
         await update.message.reply_text('Используйте: /edit_button <название> <новое_название> <новая_ссылка>')
         return
     name, new_name, new_url = args[0], args[1], args[2]
-    session = SessionLocal()
-    button = session.query(Button).filter_by(name=name).first()
-    if not button:
-        await update.message.reply_text('Кнопка не найдена.')
-        session.close()
-        return
-    button.name = new_name
-    button.url = new_url
-    session.commit()
-    session.close()
-    await update.message.reply_text(f'Кнопка "{name}" изменена.')
+    session = AsyncSessionLocal()
+    try:
+        result = await session.execute(Button.__table__.select().where(Button.name == name))
+        button = result.scalar_one_or_none()
+        if not button:
+            if update.message:
+                await update.message.reply_text('Кнопка не найдена.')
+            return
+        button.name = new_name
+        button.url = new_url
+        await session.commit()
+        if update.message:
+            await update.message.reply_text(f'Кнопка "{name}" изменена.')
+    finally:
+        await session.close()
diff --git a/handlers/group_buttons.py b/handlers/group_buttons.py
index 059d9e7..e60527d 100644
--- a/handlers/group_buttons.py
+++ b/handlers/group_buttons.py
@@ -1,34 +1,45 @@
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import CommandHandler, CallbackQueryHandler, ConversationHandler, ContextTypes
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Group, Button
 
 SELECT_GROUP, MANAGE_BUTTONS = range(2)
 
 async def group_buttons_start(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    session = SessionLocal()
-    groups = session.query(Group).all()
-    session.close()
-    keyboard = [[InlineKeyboardButton(g.name, callback_data=str(g.id))] for g in groups]
-    await update.message.reply_text(
-        "Выберите группу для настройки клавиатуры:",
-        reply_markup=InlineKeyboardMarkup(keyboard)
-    )
-    return SELECT_GROUP
+    session = AsyncSessionLocal()
+    try:
+        groups_result = await session.execute(Group.__table__.select())
+        groups = groups_result.scalars().all()
+        keyboard = [[InlineKeyboardButton(f'{getattr(g, "name", str(g.name))}', callback_data=str(getattr(g, "id", str(g.id))))] for g in groups]
+        if update.message:
+            await update.message.reply_text(
+                "Выберите группу для настройки клавиатуры:",
+                reply_markup=InlineKeyboardMarkup(keyboard)
+            )
+            return SELECT_GROUP
+        return ConversationHandler.END
+    finally:
+        await session.close()
 
 async def select_group(update: Update, context: ContextTypes.DEFAULT_TYPE):
     query = update.callback_query
-    await query.answer()
-    group_id = int(query.data)
-    context.user_data['group_id'] = group_id
-    session = SessionLocal()
-    buttons = session.query(Button).filter_by(group_id=group_id).all()
-    session.close()
-    text = "Кнопки этой группы:\n"
-    for b in buttons:
-        text += f"- {b.name}: {b.url}\n"
-    text += "\nДобавить новую кнопку: /add_button\nУдалить: /del_button <название>"
-    await query.edit_message_text(text)
+    if query and query.data:
+        await query.answer()
+        group_id = int(query.data)
+        if context.user_data is None:
+            context.user_data = {}
+        context.user_data['group_id'] = group_id
+        session = AsyncSessionLocal()
+        try:
+            buttons_result = await session.execute(Button.__table__.select().where(Button.group_id == group_id))
+            buttons = buttons_result.scalars().all()
+            text = "Кнопки этой группы:\n"
+            for b in buttons:
+                text += f"- {b.name}: {b.url}\n"
+            text += "\nДобавить новую кнопку: /add_button\nУдалить: /del_button <название>"
+            await query.edit_message_text(text)
+        finally:
+            await session.close()
     return ConversationHandler.END
 
 group_buttons_conv = ConversationHandler(
@@ -37,4 +48,4 @@ group_buttons_conv = ConversationHandler(
         SELECT_GROUP: [CallbackQueryHandler(select_group)],
     },
     fallbacks=[]
-)
+    )
diff --git a/handlers/new_post.py b/handlers/new_post.py
index 05633bf..ec6fd28 100644
--- a/handlers/new_post.py
+++ b/handlers/new_post.py
@@ -1,65 +1,95 @@
 from telegram import Update, InputMediaPhoto, InlineKeyboardMarkup, InlineKeyboardButton
 from telegram.ext import ContextTypes, ConversationHandler, MessageHandler, CommandHandler, filters, CallbackQueryHandler, ContextTypes
 
-from db import SessionLocal
+from db import AsyncSessionLocal
 from models import Channel, Group, Button
 
 SELECT_MEDIA, SELECT_TEXT, SELECT_TARGET = range(3)
 
 async def new_post_start(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    await update.message.reply_text('Отправьте картинку для поста или /skip:')
-    return SELECT_MEDIA
+    if update.message:
+        await update.message.reply_text('Отправьте картинку для поста или /skip:')
+        return SELECT_MEDIA
+    return ConversationHandler.END
 
 async def select_media(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    if update.message.photo:
+    if update.message and hasattr(update.message, 'photo') and update.message.photo:
+        if context.user_data is None:
+            context.user_data = {}
         context.user_data['photo'] = update.message.photo[-1].file_id
-    await update.message.reply_text('Введите текст поста или пересланное сообщение:')
-    return SELECT_TEXT
+    if update.message:
+        await update.message.reply_text('Введите текст поста или пересланное сообщение:')
+        return SELECT_TEXT
+    return ConversationHandler.END
 
 async def select_text(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    context.user_data['text'] = update.message.text or update.message.caption
-    session = SessionLocal()
-    channels = session.query(Channel).all()
-    groups = session.query(Group).all()
-    session.close()
-    keyboard = []
-    for c in channels:
-        keyboard.append([InlineKeyboardButton(f'Канал: {c.name}', callback_data=f'channel_{c.id}')])
-    for g in groups:
-        keyboard.append([InlineKeyboardButton(f'Группа: {g.name}', callback_data=f'group_{g.id}')])
-    reply_markup = InlineKeyboardMarkup(keyboard)
-    await update.message.reply_text('Выберите, куда отправить пост:', reply_markup=reply_markup)
-    return SELECT_TARGET
+    if update.message:
+        if context.user_data is None:
+            context.user_data = {}
+        context.user_data['text'] = getattr(update.message, 'text', None) or getattr(update.message, 'caption', None)
+        from sqlalchemy import select
+        session = AsyncSessionLocal()
+        try:
+            channels_result = await session.execute(select(Channel))
+            channels = channels_result.scalars().all()
+            groups_result = await session.execute(select(Group))
+            groups = groups_result.scalars().all()
+            keyboard = []
+            for c in channels:
+                keyboard.append([InlineKeyboardButton(f'Канал: {getattr(c, "name", str(c.name))}', callback_data=f'channel_{getattr(c, "id", str(c.id))}')])
+            for g in groups:
+                keyboard.append([InlineKeyboardButton(f'Группа: {getattr(g, "name", str(g.name))}', callback_data=f'group_{getattr(g, "id", str(g.id))}')])
+            reply_markup = InlineKeyboardMarkup(keyboard)
+            await update.message.reply_text('Выберите, куда отправить пост:', reply_markup=reply_markup)
+            return SELECT_TARGET
+        finally:
+            await session.close()
+    return ConversationHandler.END
 
 async def select_target(update: Update, context: ContextTypes.DEFAULT_TYPE):
     query = update.callback_query
+    if not query:
+        return ConversationHandler.END
     await query.answer()
     data = query.data
-    session = SessionLocal()
+    session = AsyncSessionLocal()
     try:
-        if data.startswith('channel_'):
+        chat_id = None
+        markup = None
+        if data and data.startswith('channel_'):
+            from sqlalchemy import select
             channel_id = int(data.split('_')[1])
-            channel = session.query(Channel).get(channel_id)
-            buttons = session.query(Button).filter_by(channel_id=channel_id).all()
-            markup = InlineKeyboardMarkup([[InlineKeyboardButton(b.name, url=b.url)] for b in buttons]) if buttons else None
-            chat_id = channel.link.strip()
-        else:
+            channel_result = await session.execute(select(Channel).where(Channel.id == channel_id))
+            channel = channel_result.scalar_one_or_none()
+            buttons_result = await session.execute(select(Button).where(Button.channel_id == channel_id))
+            buttons = buttons_result.scalars().all()
+            markup = InlineKeyboardMarkup([[InlineKeyboardButton(str(b.name), url=str(b.url))] for b in buttons]) if buttons else None
+            chat_id = getattr(channel, 'link', None)
+        elif data and data.startswith('group_'):
+            from sqlalchemy import select
             group_id = int(data.split('_')[1])
-            group = session.query(Group).get(group_id)
-            buttons = session.query(Button).filter_by(group_id=group_id).all()
-            markup = InlineKeyboardMarkup([[InlineKeyboardButton(b.name, url=b.url)] for b in buttons]) if buttons else None
-            chat_id = group.link.strip()
-        # Проверка chat_id
-        if not (chat_id.startswith('@') or chat_id.startswith('-')):
-            await query.edit_message_text('Ошибка: ссылка должна быть username (@channel) или числовой ID (-100...)')
-            return ConversationHandler.END
-        try:
-            await context.bot.send_photo(chat_id=chat_id, photo=context.user_data.get('photo'), caption=context.user_data.get('text'), reply_markup=markup)
-            await query.edit_message_text('Пост отправлен!')
-        except Exception as e:
-            await query.edit_message_text(f'Ошибка отправки поста: {e}')
+            group_result = await session.execute(select(Group).where(Group.id == group_id))
+            group = group_result.scalar_one_or_none()
+            buttons_result = await session.execute(select(Button).where(Button.group_id == group_id))
+            buttons = buttons_result.scalars().all()
+            markup = InlineKeyboardMarkup([[InlineKeyboardButton(str(b.name), url=str(b.url))] for b in buttons]) if buttons else None
+            chat_id = getattr(group, 'link', None)
+        if chat_id:
+            chat_id = chat_id.strip()
+            if not (chat_id.startswith('@') or chat_id.startswith('-')):
+                await query.edit_message_text('Ошибка: ссылка должна быть username (@channel) или числовой ID (-100...)')
+                return ConversationHandler.END
+            try:
+                photo = context.user_data.get('photo') if context.user_data else None
+                if photo:
+                    await context.bot.send_photo(chat_id=chat_id, photo=photo, caption=context.user_data.get('text') if context.user_data else None, reply_markup=markup)
+                    await query.edit_message_text('Пост отправлен!')
+                else:
+                    await query.edit_message_text('Ошибка: не выбрано фото для поста.')
+            except Exception as e:
+                await query.edit_message_text(f'Ошибка отправки поста: {e}')
     finally:
-        session.close()
+        await session.close()
     return ConversationHandler.END
 
 new_post_conv = ConversationHandler(
@@ -69,5 +99,6 @@ new_post_conv = ConversationHandler(
         SELECT_TEXT: [MessageHandler(filters.TEXT | filters.FORWARDED, select_text)],
         SELECT_TARGET: [CallbackQueryHandler(select_target)],
     },
-    fallbacks=[]
-)
+    fallbacks=[],
+    
+    )
diff --git a/init_db.py b/init_db.py
new file mode 100644
index 0000000..a907163
--- /dev/null
+++ b/init_db.py
@@ -0,0 +1,5 @@
+import asyncio
+from db import init_db
+
+if __name__ == "__main__":
+    asyncio.run(init_db())
diff --git a/main.py b/main.py
index af2d9aa..69151db 100644
--- a/main.py
+++ b/main.py
@@ -1,32 +1,67 @@
+import sys
+import asyncio
+if sys.platform.startswith('win'):
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
 import logging
 import os
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import Application, CommandHandler, MessageHandler, filters, CallbackQueryHandler, ConversationHandler, ContextTypes
 from dotenv import load_dotenv
-from db import SessionLocal, init_db
+from db import AsyncSessionLocal, init_db
 from models import Admin, Channel, Group, Button
-
+from asyncio import run as sync_to_async
 load_dotenv()
 TELEGRAM_TOKEN = os.getenv('TELEGRAM_TOKEN')
 
 logging.basicConfig(level=logging.INFO)
+logging.getLogger("httpx").setLevel(logging.WARNING)
 logger = logging.getLogger(__name__)
 
-init_db()
+import asyncio
+
 
 async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
-    session = SessionLocal()
-    user_id = update.effective_user.id
-    admin = session.query(Admin).filter_by(tg_id=user_id).first()
-    if not admin:
-        admin = Admin(tg_id=user_id)
-        session.add(admin)
-        session.commit()
-        await update.message.reply_text('Вы зарегистрированы как админ.')
+    session = AsyncSessionLocal()
+    user_id = update.effective_user.id if update.effective_user else None
+    result = await session.execute(Admin.__table__.select().where(Admin.tg_id == user_id))
+    admin = result.first() if user_id else None
+    if not admin and user_id:
+        await session.execute(Admin.__table__.insert().values(tg_id=user_id))
+        await session.commit()
+        if update.message:
+            await update.message.reply_text('Вы зарегистрированы как админ.')
     else:
-        await update.message.reply_text('Вы уже зарегистрированы.')
-    session.close()
+        if update.message:
+            await update.message.reply_text('Вы уже зарегистрированы.')
+    await session.close()
 
+async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
+    help_text = (
+        "<b>Справка по командам бота:</b>\n\n"
+        "<b>/start</b> — регистрация пользователя как администратора.\n"
+        "<b>/help</b> — показать это подробное описание команд.\n\n"
+        "<b>/add_channel &lt;название&gt; &lt;ссылка&gt;</b> — добавить канал для публикаций. Пример: /add_channel MyChannel @my_channel\n"
+        "<b>/add_group &lt;название&gt; &lt;ссылка&gt;</b> — добавить группу для публикаций. Пример: /add_group MyGroup @my_group\n"
+        "<b>/add_button</b> — добавить кнопку к выбранному каналу или группе. Запустит диалог выбора и добавления.\n"
+        "<b>/edit_button &lt;название&gt; &lt;новое_название&gt; &lt;новая_ссылка&gt;</b> — изменить кнопку. Пример: /edit_button old new https://site.ru\n"
+        "<b>/del_button &lt;название&gt;</b> — удалить кнопку по названию.\n"
+        "<b>/new_post</b> — создать новый пост (картинка + текст + выбор канала/группы + кнопки).\n"
+        "<b>/group_buttons</b> — показать и настроить кнопки для группы.\n"
+        "<b>/channel_buttons</b> — показать и настроить кнопки для канала.\n\n"
+        "<b>Примеры использования:</b>\n"
+        "- /add_channel Новости @news_channel\n"
+        "- /add_group Чат @chat_group\n"
+        "- /edit_button Подписка Subscribe https://subscribe.ru\n"
+        "- /del_button Subscribe\n\n"
+        "<b>Порядок работы:</b>\n"
+        "1. Добавьте канал или группу.\n"
+        "2. Добавьте кнопки для них.\n"
+        "3. Создайте пост через /new_post и выберите, куда отправить.\n"
+        "4. Управляйте кнопками через /group_buttons и /channel_buttons.\n\n"
+        "Если возникли вопросы — используйте /help или обратитесь к администратору."
+    )
+    if update.message:
+        await update.message.reply_text(help_text, parse_mode='HTML')
 
 # Импорт обработчиков
 from handlers.add_channel import add_channel
@@ -38,10 +73,16 @@ from handlers.channel_buttons import channel_buttons_conv
 from handlers.edit_button import edit_button
 from handlers.del_button import del_button
 
-def main():
 
+
+def main():
+    if not TELEGRAM_TOKEN:
+        print("Ошибка: TELEGRAM_TOKEN не найден в переменных окружения.")
+        return
+    sync_to_async(init_db())
     application = Application.builder().token(TELEGRAM_TOKEN).build()
     application.add_handler(CommandHandler('start', start))
+    application.add_handler(CommandHandler('help', help_command))
     application.add_handler(CommandHandler('add_channel', add_channel))
     application.add_handler(CommandHandler('add_group', add_group))
     application.add_handler(add_button_conv)
@@ -50,7 +91,17 @@ def main():
     application.add_handler(channel_buttons_conv)
     application.add_handler(CommandHandler('edit_button', edit_button))
     application.add_handler(CommandHandler('del_button', del_button))
+    import sys
+    import asyncio
+    if sys.platform.startswith('win'):
+        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+    try:
+        loop = asyncio.get_event_loop()
+    except RuntimeError:
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
     application.run_polling()
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
+
diff --git a/models.py b/models.py
index 099feb6..50a2a9e 100644
--- a/models.py
+++ b/models.py
@@ -1,7 +1,6 @@
 from sqlalchemy import Column, Integer, String, ForeignKey, Text
-from sqlalchemy.orm import declarative_base, relationship
-
-Base = declarative_base()
+from sqlalchemy.orm import relationship
+from db import Base
 
 class Admin(Base):
     __tablename__ = 'admins'
diff --git a/requirements.txt b/requirements.txt
index 08feac5..7a6e55e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ python-telegram-bot>=20.0
 sqlalchemy>=2.0
 python-dotenv>=1.0
 pytest>=7.0
+aiosqlite>=0.19
\ No newline at end of file