diff --git a/middlewares/subscription.py b/middlewares/subscription.py
index 658a1fcc..914e6196 100644
--- a/middlewares/subscription.py
+++ b/middlewares/subscription.py
@@ -29,24 +29,32 @@ class SubscriptionMiddleware(BaseMiddleware):
         tg_id = None
         message = None
         from_user = None
-        chat_type = None
 
         if event.message:
+            if event.message.chat.type != ChatType.PRIVATE:
+                return await handler(event, data)
+            if not event.message.from_user:
+                return await handler(event, data)
+            if event.message.from_user.is_bot:
+                return await handler(event, data)
+            
             tg_id = event.message.from_user.id
             message = event.message
             from_user = event.message.from_user
-            chat_type = event.message.chat.type
         elif event.callback_query:
+            if event.callback_query.message and event.callback_query.message.chat.type != ChatType.PRIVATE:
+                return await handler(event, data)
+            if not event.callback_query.from_user:
+                return await handler(event, data)
+            if event.callback_query.from_user.is_bot:
+                return await handler(event, data)
+            
             tg_id = event.callback_query.from_user.id
             message = event.callback_query.message
             from_user = event.callback_query.from_user
-            chat_type = event.callback_query.message.chat.type if event.callback_query.message else None
         else:
             return await handler(event, data)
 
-        if chat_type and chat_type != ChatType.PRIVATE:
-            return await handler(event, data)
-
         try:
             member = await bot.get_chat_member(CHANNEL_ID, tg_id)
             if member.status not in ("member", "administrator", "creator"):