diff --git a/apps/answer/schemas.py b/apps/answer/schemas.py
index 4baa110..8999c40 100644
--- a/apps/answer/schemas.py
+++ b/apps/answer/schemas.py
@@ -11,4 +11,3 @@ class UserAnswerSchema(Schema):
     id: int
     question: str
     model_answers: list[ModelAnswerSchema]
-
diff --git a/apps/chat/endpoints.py b/apps/chat/endpoints.py
index 77fb68e..64bee88 100644
--- a/apps/chat/endpoints.py
+++ b/apps/chat/endpoints.py
@@ -104,8 +104,9 @@ def event_stream():
                     active_responses[model] = False
                     yield f"data: {json.dumps({'type': 'error', 'model': model, 'error': str(e)}, ensure_ascii=False)}\n\n"
 
-        answer = UserAnswer(question=message_data.message)
-        answer.save()
+        if text.keys():
+            answer = UserAnswer(question=message_data.message)
+            answer.save()
         model_answers = []
         for model_id in text.keys():
             model_answers.append(ModelAnswer(model_id=model_id, answer=text[model_id], user_answer=answer))