diff --git a/cache/cache.py b/cache/cache.py
index ef535d5c..1fab2140 100644
--- a/cache/cache.py
+++ b/cache/cache.py
@@ -310,13 +310,11 @@ async def get_cached_author_by_id(author_id: int, get_with_stat):
     Returns:
         dict: Dictionary with author data or None if not found.
     """
-    # Attempt to find author ID by author_id in Redis cache
-    author_id = await redis.execute("GET", f"author:id:{author_id}")
-    if author_id:
-        # If ID is found, get full author data by ID
-        author_data = await redis.execute("GET", f"author:id:{author_id}")
-        if author_data:
-            return orjson.loads(author_data)
+    # Attempt to find author data by author_id in Redis cache
+    cached_author_data = await redis.execute("GET", f"author:id:{author_id}")
+    if cached_author_data:
+        # If data is found, return parsed JSON
+        return orjson.loads(cached_author_data)
 
     # If data is not found in cache, query the database
     author_query = select(Author).where(Author.id == author_id)
diff --git a/resolvers/stat.py b/resolvers/stat.py
index c8bb448a..6014627d 100644
--- a/resolvers/stat.py
+++ b/resolvers/stat.py
@@ -243,7 +243,7 @@ def get_author_followers_stat(author_id: int) -> int:
     return result[0] if result else 0
 
 
-def get_author_comments_stat(author_id):
+def get_author_comments_stat(author_id: int):
     q = (
         select(func.coalesce(func.count(Reaction.id), 0).label("comments_count"))
         .select_from(Author)
@@ -289,10 +289,28 @@ def get_with_stat(q):
                 stat["shouts"] = cols[1]  # Статистика по публикациям
                 stat["followers"] = cols[2]  # Статистика по подписчикам
                 if is_author:
-                    stat["authors"] = get_author_authors_stat(entity.id)  # Статистика по подпискам на авторов
-                    stat["comments"] = get_author_comments_stat(entity.id)  # Статистика по комментариям
+                    # Дополнительная проверка типа entity.id
+                    if not hasattr(entity, 'id'):
+                        logger.error(f"Entity does not have id attribute: {entity}")
+                        continue
+                    entity_id = entity.id
+                    if not isinstance(entity_id, int):
+                        logger.error(f"Entity id is not integer: {entity_id} (type: {type(entity_id)})")
+                        continue
+                    
+                    stat["authors"] = get_author_authors_stat(entity_id)  # Статистика по подпискам на авторов
+                    stat["comments"] = get_author_comments_stat(entity_id)  # Статистика по комментариям
                 else:
-                    stat["authors"] = get_topic_authors_stat(entity.id)  # Статистика по авторам темы
+                    # Дополнительная проверка типа entity.id для тем
+                    if not hasattr(entity, 'id'):
+                        logger.error(f"Entity does not have id attribute: {entity}")
+                        continue
+                    entity_id = entity.id
+                    if not isinstance(entity_id, int):
+                        logger.error(f"Entity id is not integer: {entity_id} (type: {type(entity_id)})")
+                        continue
+                        
+                    stat["authors"] = get_topic_authors_stat(entity_id)  # Статистика по авторам темы
                 entity.stat = stat
                 records.append(entity)
     except Exception as exc: