diff --git a/resolvers/chats.py b/resolvers/chats.py
index aaa0323..53f88ef 100644
--- a/resolvers/chats.py
+++ b/resolvers/chats.py
@@ -25,7 +25,6 @@ async def update_chat(_, info, chat_new):
         return {"error": "chat not exist"}
     chat = dict(json.loads(chat))
 
-    # TODO
     if author_id in chat["admins"]:
         chat.update(
             {
diff --git a/resolvers/load.py b/resolvers/load.py
index eb34c13..b40e331 100644
--- a/resolvers/load.py
+++ b/resolvers/load.py
@@ -45,9 +45,8 @@ async def load_messages(chat_id: str, limit: int = 5, offset: int = 0, ids=None)
 async def load_chats(_, info, limit: int = 50, offset: int = 0):
     """load :limit chats of current user with :offset"""
     author_id = info.context["author_id"]
-    cids = list(
-            (await redis.execute("SMEMBERS", f"chats_by_author/{author_id}")) or []
-        )[offset:(offset + limit)]
+    cids = (await redis.execute("SMEMBERS", f"chats_by_author/{author_id}")) or []
+    cids = cids[offset:(offset + limit)]
     members_online = (await redis.execute("SMEMBERS", "authors-online")) or []
     chats = []
     if len(cids) == 0: