diff --git a/telebot/asyncio_filters.py b/telebot/asyncio_filters.py
index c594d31..8819be5 100644
--- a/telebot/asyncio_filters.py
+++ b/telebot/asyncio_filters.py
@@ -307,7 +307,7 @@ class StateFilter(AdvancedCustomFilter):
         elif isinstance(text, State):
             text = text.name
 
-        if message.chat.type == 'group':
+        if message.chat.type in ['group', 'supergroup']:
             group_state = await self.bot.current_states.get_state(user_id, chat_id)
             if group_state == text:
                 return True
diff --git a/telebot/asyncio_helper.py b/telebot/asyncio_helper.py
index 168edff..75492af 100644
--- a/telebot/asyncio_helper.py
+++ b/telebot/asyncio_helper.py
@@ -149,10 +149,10 @@ async def get_file(token, file_id):
 
 async def get_file_url(token, file_id):
     if FILE_URL is None:
-        return "https://api.telegram.org/file/bot{0}/{1}".format(token, get_file(token, file_id)['file_path'])
+        return "https://api.telegram.org/file/bot{0}/{1}".format(token, await get_file(token, file_id)['file_path'])
     else:
         # noinspection PyUnresolvedReferences
-        return FILE_URL.format(token, get_file(token, file_id)['file_path'])
+        return FILE_URL.format(token, await get_file(token, file_id)['file_path'])
 
 
 async def download_file(token, file_path):
@@ -1821,4 +1821,4 @@ class RequestTimeout(Exception):
     """
     This class represents a request timeout.
     """
-    pass
\ No newline at end of file
+    pass
diff --git a/telebot/custom_filters.py b/telebot/custom_filters.py
index abeffdd..02edd07 100644
--- a/telebot/custom_filters.py
+++ b/telebot/custom_filters.py
@@ -315,7 +315,7 @@ class StateFilter(AdvancedCustomFilter):
         elif isinstance(text, State):
             text = text.name
         
-        if message.chat.type == 'group':
+        if message.chat.type in ['group', 'supergroup']:
             group_state = self.bot.current_states.get_state(user_id, chat_id)
             if group_state == text:
                 return True