diff --git a/rating_api/models/base.py b/rating_api/models/base.py
index 8ffc3b1..932ac56 100644
--- a/rating_api/models/base.py
+++ b/rating_api/models/base.py
@@ -6,7 +6,7 @@
 from sqlalchemy.exc import NoResultFound
 from sqlalchemy.orm import Query, Session, as_declarative, declared_attr
 
-from rating_api.exceptions import ObjectNotFound
+from rating_api.exceptions import ObjectNotFound, UpdateError
 
 
 @as_declarative()
@@ -61,8 +61,26 @@ def get(cls, id: int | str, *, with_deleted=False, session: Session) -> BaseDbMo
     @classmethod
     def update(cls, id: int | str, *, session: Session, **kwargs) -> BaseDbModel:
         obj = cls.get(id, session=session)
+
+        # Технические поля не проверяются при update комментария
+        technical_fields = {'update_ts', 'review_status'}
+
+        # Проверка на изменение полей
+        changed_fields = False
+        for field, new_value in kwargs.items():
+
+            old_value = getattr(obj, field)
+            if old_value != new_value and not field in technical_fields:
+                changed_fields = True
+                break
+
+        if not changed_fields:
+            raise UpdateError(msg=f"No changes detected in fields")
+            # raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail=f"No changes detected in fields")
+
         for k, v in kwargs.items():
             setattr(obj, k, v)
+
         session.flush()
         return obj
 
diff --git a/rating_api/routes/comment.py b/rating_api/routes/comment.py
index 743b9ca..e6f5dcb 100644
--- a/rating_api/routes/comment.py
+++ b/rating_api/routes/comment.py
@@ -268,20 +268,7 @@ async def update_comment(uuid: UUID, comment_update: CommentUpdate, user=Depends
     # Получаем только переданные для обновления поля
     update_data = comment_update.model_dump(exclude_unset=True)
 
-    # Если не передано ни одного параметра
-    if not update_data:
-        raise UpdateError(msg="Provide any parametr.")
-        # raise HTTPException(status_code=409, detail="Provide any parametr")  # 409
-
-    # Проверяем, есть ли неизмененные поля
-    current_data = {key: getattr(comment, key) for key in update_data}  # Берем текущие значения из БД
-    unchanged_fields = {k for k, v in update_data.items() if current_data.get(k) == v}
-
-    if unchanged_fields:
-        raise UpdateError(msg=f"No changes detected in fields: {', '.join(unchanged_fields)}.")
-        # raise HTTPException(status_code=409, detail=f"No changes detected in fields: {', '.join(unchanged_fields)}")
-
-    # Обновление комментария
+    # Обновляем комментарий
     updated_comment = Comment.update(
         session=db.session,
         id=uuid,
diff --git a/tests/test_routes/test_comment.py b/tests/test_routes/test_comment.py
index 7c47ddc..fd79a9f 100644
--- a/tests/test_routes/test_comment.py
+++ b/tests/test_routes/test_comment.py
@@ -254,13 +254,13 @@ def test_comments_by_user_id(client, lecturers_with_comments, user_id, response_
     ],
 )
 def test_review_comment(client, dbsession, unreviewed_comment, comment, review_status, response_status, is_reviewed):
-    commment_to_reivew = comment if is_reviewed else unreviewed_comment
+    commment_to_review = comment if is_reviewed else unreviewed_comment
     query = {"review_status": review_status}
-    response = client.patch(f"{url}/{commment_to_reivew.uuid}/review", params=query)
+    response = client.patch(f"{url}/{commment_to_review.uuid}/review", params=query)
     assert response.status_code == response_status
     if response.status_code == status.HTTP_200_OK:
-        dbsession.refresh(commment_to_reivew)
-        assert commment_to_reivew.review_status == ReviewStatus(review_status)
+        dbsession.refresh(commment_to_review)
+        assert commment_to_review.review_status == ReviewStatus(review_status)
 
 
 @pytest.mark.parametrize(
@@ -319,7 +319,7 @@ def test_review_comment(client, dbsession, unreviewed_comment, comment, review_s
             },
             status.HTTP_409_CONFLICT,
         ),
-        (  # НЕизмененным перелано одно поле
+        (  # НЕизмененным передано одно поле
             {
                 "subject": "asf",
                 "text": "asf",
@@ -327,7 +327,7 @@ def test_review_comment(client, dbsession, unreviewed_comment, comment, review_s
                 "mark_clarity": 2,
                 "mark_freebie": 1,
             },
-            status.HTTP_409_CONFLICT,
+            status.HTTP_200_OK,
         ),
     ],
 )