diff --git a/resolvers/draft.py b/resolvers/draft.py
index a6b28f67..02f5e084 100644
--- a/resolvers/draft.py
+++ b/resolvers/draft.py
@@ -79,7 +79,7 @@ async def load_drafts(_, info):
     Returns:
         dict: Список черновиков или сообщение об ошибке
     """
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     if not author_id:
@@ -152,7 +152,7 @@ async def create_draft(_, info, draft_input):
         ...     assert result['draft'].title == 'Test'
         ...     return result
     """
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     if not author_id:
@@ -226,7 +226,7 @@ async def update_draft(_, info, draft_id: int, draft_input):
     Returns:
         dict: Обновленный черновик или сообщение об ошибке
     """
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     if not author_id:
@@ -328,7 +328,7 @@ async def update_draft(_, info, draft_id: int, draft_input):
 @mutation.field("delete_draft")
 @login_required
 async def delete_draft(_, info, draft_id: int):
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     with local_session() as session:
@@ -387,7 +387,7 @@ async def publish_draft(_, info, draft_id: int):
     Returns:
         dict: Результат публикации с shout или сообщением об ошибке
     """
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     if not author_id:
@@ -490,7 +490,7 @@ async def unpublish_draft(_, info, draft_id: int):
     Returns:
         dict: Результат операции с информацией о черновике или сообщением об ошибке
     """
-    author_dict = info.context.get("author", {})
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
 
     if author_id:
diff --git a/resolvers/editor.py b/resolvers/editor.py
index 41539c7d..e5a64876 100644
--- a/resolvers/editor.py
+++ b/resolvers/editor.py
@@ -135,7 +135,7 @@ async def get_my_shout(_, info, shout_id: int):
 @query.field("get_shouts_drafts")
 @login_required
 async def get_shouts_drafts(_, info):
-    author_dict = info.context.get("author")
+    author_dict = info.context.get("author") or {}
     if not author_dict:
         return {"error": "author profile was not found"}
     author_id = author_dict.get("id")
@@ -158,7 +158,7 @@ async def get_shouts_drafts(_, info):
 # @login_required
 async def create_shout(_, info, inp):
     logger.info(f"Starting create_shout with input: {inp}")
-    author_dict = info.context.get("author")
+    author_dict = info.context.get("author") or {}
     logger.debug(f"Context author: {author_dict}")
 
     if not author_dict:
@@ -385,7 +385,8 @@ def patch_topics(session, shout, topics_input):
 # @mutation.field("update_shout")
 # @login_required
 async def update_shout(_, info, shout_id: int, shout_input=None, publish=False):
-    author_id = info.context.get("author").get("id")
+    author_dict = info.context.get("author") or {}
+    author_id = author_dict.get("id")
     if not author_id:
         logger.error("Unauthorized update attempt")
         return {"error": "unauthorized"}
@@ -597,7 +598,7 @@ async def update_shout(_, info, shout_id: int, shout_input=None, publish=False):
 # @mutation.field("delete_shout")
 # @login_required
 async def delete_shout(_, info, shout_id: int):
-    author_dict = info.context.get("author")
+    author_dict = info.context.get("author") or {}
     if not author_dict:
         return {"error": "author profile was not found"}
     author_id = author_dict.get("id")
diff --git a/resolvers/follower.py b/resolvers/follower.py
index c6dcb403..c50550f3 100644
--- a/resolvers/follower.py
+++ b/resolvers/follower.py
@@ -30,7 +30,7 @@ async def follow(_, info, what, slug="", entity_id=0):
     viewer_id = info.context.get("author", {}).get("id")
     if not viewer_id:
         return {"error": "Access denied"}
-    follower_dict = info.context.get("author")
+    follower_dict = info.context.get("author") or {}
     logger.debug(f"follower: {follower_dict}")
 
     if not viewer_id or not follower_dict:
@@ -151,7 +151,7 @@ async def unfollow(_, info, what, slug="", entity_id=0):
     viewer_id = info.context.get("author", {}).get("id")
     if not viewer_id:
         return GraphQLError("Access denied")
-    follower_dict = info.context.get("author")
+    follower_dict = info.context.get("author") or {}
     logger.debug(f"follower: {follower_dict}")
 
     if not viewer_id or not follower_dict:
diff --git a/resolvers/notifier.py b/resolvers/notifier.py
index 08b7f2d4..4a33740c 100644
--- a/resolvers/notifier.py
+++ b/resolvers/notifier.py
@@ -203,7 +203,7 @@ def get_notifications_grouped(author_id: int, after: int = 0, limit: int = 10, o
 @query.field("load_notifications")
 @login_required
 async def load_notifications(_, info, after: int, limit: int = 50, offset=0):
-    author_dict = info.context.get("author")
+    author_dict = info.context.get("author") or {}
     author_id = author_dict.get("id")
     error = None
     total = 0
diff --git a/resolvers/reaction.py b/resolvers/reaction.py
index 0728ac4f..e31711b2 100644
--- a/resolvers/reaction.py
+++ b/resolvers/reaction.py
@@ -83,7 +83,7 @@ def get_reactions_with_stat(q, limit=10, offset=0):
     reactions = []
 
     with local_session() as session:
-        result_rows = session.execute(q)
+        result_rows = session.execute(q).unique()
         for reaction, author, shout, comments_count, rating_stat in result_rows:
             # Пропускаем реакции с отсутствующими shout или author
             if not shout or not author: