diff --git a/maxapi/bot.py b/maxapi/bot.py
index c188715..70d10ff 100644
--- a/maxapi/bot.py
+++ b/maxapi/bot.py
@@ -1,68 +1,69 @@
+from __future__ import annotations
+
 from datetime import datetime
-from typing import Any, Dict, List, TYPE_CHECKING, Optional
-
-from .methods.download_media import DownloadMedia
-from .methods.get_upload_url import GetUploadURL
-from .methods.get_updates import GetUpdates
-from .methods.remove_member_chat import RemoveMemberChat
-from .methods.add_admin_chat import AddAdminChat
-from .methods.add_members_chat import AddMembersChat
-from .methods.get_members_chat import GetMembersChat
-from .methods.remove_admin import RemoveAdmin
-from .methods.get_list_admin_chat import GetListAdminChat
-from .methods.delete_bot_from_chat import DeleteMeFromMessage
-from .methods.get_me_from_chat import GetMeFromChat
-from .methods.delete_pin_message import DeletePinMessage
-from .methods.get_pinned_message import GetPinnedMessage
-from .methods.pin_message import PinMessage
-from .methods.delete_chat import DeleteChat
-from .methods.send_action import SendAction
-from .methods.edit_chat import EditChat
-from .methods.get_chat_by_id import GetChatById
-from .methods.get_chat_by_link import GetChatByLink
-from .methods.send_callback import SendCallback
-from .methods.get_video import GetVideo
-from .methods.delete_message import DeleteMessage
-from .methods.edit_message import EditMessage
-from .methods.change_info import ChangeInfo
-from .methods.get_me import GetMe
-from .methods.get_messages import GetMessages
-from .methods.get_chats import GetChats
-from .methods.send_message import SendMessage
+from typing import Any, Dict, List, Optional, TYPE_CHECKING
 
+from .connection.base import BaseConnection
 from .enums.parse_mode import ParseMode
 from .enums.sender_action import SenderAction
 from .enums.upload_type import UploadType
 
-from .types.message import Message
-from .types.attachments.attachment import Attachment
-from .types.attachments.image import PhotoAttachmentRequestPayload
-from .types.message import Messages, NewMessageLink
-from .types.users import ChatAdmin, User
-from .types.command import BotCommand
+from .methods.add_admin_chat import AddAdminChat
+from .methods.add_members_chat import AddMembersChat
+from .methods.change_info import ChangeInfo
+from .methods.delete_bot_from_chat import DeleteMeFromMessage
+from .methods.delete_chat import DeleteChat
+from .methods.delete_message import DeleteMessage
+from .methods.delete_pin_message import DeletePinMessage
+from .methods.download_media import DownloadMedia
+from .methods.edit_chat import EditChat
+from .methods.edit_message import EditMessage
+from .methods.get_chat_by_id import GetChatById
+from .methods.get_chat_by_link import GetChatByLink
+from .methods.get_chats import GetChats
+from .methods.get_list_admin_chat import GetListAdminChat
+from .methods.get_me import GetMe
+from .methods.get_me_from_chat import GetMeFromChat
+from .methods.get_members_chat import GetMembersChat
+from .methods.get_messages import GetMessages
+from .methods.get_pinned_message import GetPinnedMessage
+from .methods.get_updates import GetUpdates
+from .methods.get_upload_url import GetUploadURL
+from .methods.get_video import GetVideo
+from .methods.pin_message import PinMessage
+from .methods.remove_admin import RemoveAdmin
+from .methods.remove_member_chat import RemoveMemberChat
+from .methods.send_action import SendAction
+from .methods.send_callback import SendCallback
+from .methods.send_message import SendMessage
 
-from .connection.base import BaseConnection
+if TYPE_CHECKING:
+    from .types.attachments.attachment import Attachment
+    from .types.attachments.image import PhotoAttachmentRequestPayload
+    from .types.attachments.video import Video
+    from .types.chats import Chat, ChatMember, Chats
+    from .types.command import BotCommand
+    from .types.message import Message, Messages, NewMessageLink
+    from .types.updates import UpdateUnion
+    from .types.users import ChatAdmin, User
 
-from .methods.types.added_admin_chat import AddedListAdminChat
-from .methods.types.added_members_chat import AddedMembersChat
-from .methods.types.deleted_bot_from_chat import DeletedBotFromChat
-from .methods.types.deleted_chat import DeletedChat
-from .methods.types.deleted_message import DeletedMessage
-from .methods.types.deleted_pin_message import DeletedPinMessage
-from .methods.types.edited_message import EditedMessage
-from .methods.types.getted_list_admin_chat import GettedListAdminChat
-from .methods.types.getted_members_chat import GettedMembersChat
-from .methods.types.getted_pineed_message import GettedPin
-from .methods.types.getted_upload_url import GettedUploadUrl
-from .methods.types.pinned_message import PinnedMessage
-from .methods.types.removed_admin import RemovedAdmin
-from .methods.types.removed_member_chat import RemovedMemberChat
-from .methods.types.sended_action import SendedAction
-from .methods.types.sended_callback import SendedCallback
-from .methods.types.sended_message import SendedMessage
-from .types.attachments.video import Video
-from .types.chats import Chat, ChatMember, Chats
-from .types.updates import UpdateUnion
+    from .methods.types.added_admin_chat import AddedListAdminChat
+    from .methods.types.added_members_chat import AddedMembersChat
+    from .methods.types.deleted_bot_from_chat import DeletedBotFromChat
+    from .methods.types.deleted_chat import DeletedChat
+    from .methods.types.deleted_message import DeletedMessage
+    from .methods.types.deleted_pin_message import DeletedPinMessage
+    from .methods.types.edited_message import EditedMessage
+    from .methods.types.getted_list_admin_chat import GettedListAdminChat
+    from .methods.types.getted_members_chat import GettedMembersChat
+    from .methods.types.getted_pineed_message import GettedPin
+    from .methods.types.getted_upload_url import GettedUploadUrl
+    from .methods.types.pinned_message import PinnedMessage
+    from .methods.types.removed_admin import RemovedAdmin
+    from .methods.types.removed_member_chat import RemovedMemberChat
+    from .methods.types.sended_action import SendedAction
+    from .methods.types.sended_callback import SendedCallback
+    from .methods.types.sended_message import SendedMessage
 
 
 class Bot(BaseConnection):
@@ -102,6 +103,12 @@ class Bot(BaseConnection):
         self.notify = notify
         self.auto_requests = auto_requests
         
+    def _resolve_notify(self, notify: Optional[bool]) -> Optional[bool]:
+        return notify if notify is not None else self.notify
+
+    def _resolve_parse_mode(self, mode: Optional[ParseMode]) -> Optional[ParseMode]:
+        return mode if mode is not None else self.parse_mode
+        
     async def send_message(
             self,
             chat_id: int = None, 
@@ -133,10 +140,8 @@ class Bot(BaseConnection):
             text=text,
             attachments=attachments,
             link=link,
-            notify=notify if notify \
-                    else self.notify,
-            parse_mode=parse_mode if parse_mode \
-                    else self.parse_mode
+            notify=self._resolve_notify(notify),
+            parse_mode=self._resolve_parse_mode(notify)
         ).request()
     
     async def send_action(
@@ -187,10 +192,8 @@ class Bot(BaseConnection):
             text=text,
             attachments=attachments,
             link=link,
-            notify=notify if notify \
-                    else self.notify,
-            parse_mode=parse_mode if parse_mode \
-                    else self.parse_mode
+            notify=self._resolve_notify(notify),
+            parse_mode=self._resolve_parse_mode(notify)
         ).request()
     
     async def delete_message(
@@ -398,8 +401,7 @@ class Bot(BaseConnection):
             icon=icon,
             title=title,
             pin=pin,
-            notify=notify if notify \
-                    else self.notify,
+            notify=self._resolve_notify(notify),
         ).request()
     
     async def get_video(
@@ -422,7 +424,7 @@ class Bot(BaseConnection):
     async def send_callback(
             self,
             callback_id: str,
-            message: 'Message' = None,
+            message: Message = None,
             notification: str = None
         ) -> SendedCallback:
         
@@ -462,8 +464,7 @@ class Bot(BaseConnection):
             bot=self,
             chat_id=chat_id,
             message_id=message_id,
-            notify=notify if notify \
-                    else self.notify,
+            notify=self._resolve_notify(notify),
         ).request()
     
     async def delete_pin_message(
diff --git a/maxapi/connection/base.py b/maxapi/connection/base.py
index 2179570..7951521 100644
--- a/maxapi/connection/base.py
+++ b/maxapi/connection/base.py
@@ -113,8 +113,8 @@ class BaseConnection:
         :return: Сырой .text() ответ от сервера после загрузки файла
         """
         
-        with open(path, 'rb') as f:
-            file_data = f.read()
+        async with aiofiles.open(path, 'rb') as f:
+            file_data = await f.read()
 
         basename = os.path.basename(path)
         _, ext = os.path.splitext(basename)
diff --git a/maxapi/dispatcher.py b/maxapi/dispatcher.py
index 43d1a30..0a93d65 100644
--- a/maxapi/dispatcher.py
+++ b/maxapi/dispatcher.py
@@ -1,3 +1,5 @@
+import asyncio
+
 from typing import Any, Callable, Dict, List
 
 from fastapi import FastAPI, Request
@@ -22,7 +24,8 @@ from .enums.update import UpdateType
 from .loggers import logger_dp
 
 
-app = FastAPI()
+webhook_app = FastAPI()
+CONNECTION_RETRY_DELAY = 30
 
 
 class Dispatcher:
@@ -39,8 +42,8 @@ class Dispatcher:
         self.filters: List[MagicFilter] = []
         self.middlewares: List[BaseMiddleware] = []
         
-        self.bot = None
-        self.on_started_func = None
+        self.bot: Bot = None
+        self.on_started_func: Callable = None
 
         self.message_created = Event(update_type=UpdateType.MESSAGE_CREATED, router=self)
         self.bot_added = Event(update_type=UpdateType.BOT_ADDED, router=self)
@@ -230,7 +233,8 @@ class Dispatcher:
                 for event in processed_events:
                     await self.handle(event)
             except ClientConnectorError:
-                logger_dp.error(f'Ошибка подключения: {e}')
+                logger_dp.error(f'Ошибка подключения, жду {CONNECTION_RETRY_DELAY} секунд')
+                await asyncio.sleep(CONNECTION_RETRY_DELAY)
             except Exception as e:
                 logger_dp.error(f'Общая ошибка при обработке событий: {e}')
 
@@ -246,7 +250,7 @@ class Dispatcher:
         
         await self.__ready(bot)
 
-        @app.post('/')
+        @webhook_app.post('/')
         async def _(request: Request):
             try:
                 event_json = await request.json()
@@ -262,7 +266,7 @@ class Dispatcher:
             except Exception as e:
                 logger_dp.error(f"Ошибка при обработке события: {event_json['update_type']}: {e}")
 
-        config = Config(app=app, host=host, port=port, log_level="critical")
+        config = Config(app=webhook_app, host=host, port=port, log_level="critical")
         server = Server(config)
 
         await server.serve()
diff --git a/maxapi/methods/send_callback.py b/maxapi/methods/send_callback.py
index 5ecb025..4355247 100644
--- a/maxapi/methods/send_callback.py
+++ b/maxapi/methods/send_callback.py
@@ -1,5 +1,4 @@
-
-
+from __future__ import annotations
 from typing import TYPE_CHECKING
 
 from ..methods.types.sended_callback import SendedCallback
@@ -37,7 +36,7 @@ class SendCallback(BaseConnection):
             self,
             bot: 'Bot',
             callback_id: str,
-            message: 'Message' = None,
+            message: Message = None,
             notification: str = None
         ):
             self.bot = bot
diff --git a/maxapi/methods/send_message.py b/maxapi/methods/send_message.py
index 0f14e36..d9ecfb6 100644
--- a/maxapi/methods/send_message.py
+++ b/maxapi/methods/send_message.py
@@ -23,10 +23,10 @@ from ..loggers import logger_bot
 
 if TYPE_CHECKING:
     from ..bot import Bot
+    
 
-
-class UploadResponse:
-    token: str = None
+RETRY_DELAY = 2
+ATTEMPTS_COUNT = 5
 
 
 class SendMessage(BaseConnection):
@@ -70,6 +70,9 @@ class SendMessage(BaseConnection):
             att: InputMedia
         ):
         
+        # очень нестабильный метод независящий от модуля
+        # ждем обновлений MAX API
+        
         """
         Загружает файл вложения и формирует объект AttachmentUpload.
 
@@ -140,11 +143,11 @@ class SendMessage(BaseConnection):
                     json['attachments'].append(att.model_dump()) 
         
         if not self.link is None: json['link'] = self.link.model_dump()
-        if not self.notify is None: json['notify'] = self.notify
+        json['notify'] = self.notify
         if not self.parse_mode is None: json['format'] = self.parse_mode.value
 
         response = None
-        for attempt in range(5):
+        for attempt in range(ATTEMPTS_COUNT):
             response = await super().request(
                 method=HTTPMethod.POST, 
                 path=ApiPath.MESSAGES,
@@ -155,8 +158,8 @@ class SendMessage(BaseConnection):
 
             if isinstance(response, Error):
                 if response.raw.get('code') == 'attachment.not.ready':
-                    logger_bot.info(f'Ошибка при отправке загруженного медиа, попытка {attempt+1}, жду 2 секунды')
-                    await asyncio.sleep(2)
+                    logger_bot.info(f'Ошибка при отправке загруженного медиа, попытка {attempt+1}, жду {RETRY_DELAY} секунды')
+                    await asyncio.sleep(RETRY_DELAY)
                     continue
             
             return response
diff --git a/pyproject.toml b/pyproject.toml
index f6c5ff7..8ea311a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ dependencies = [
     "magic_filter>=1.0.0",
     "pydantic>=1.8.0",
     "uvicorn>=0.15.0",
+    "aiofiles==24.1.0",
 ]
 
 [project.urls]