diff --git a/apps/application/serializers/application_chat_record.py b/apps/application/serializers/application_chat_record.py
index bdbda3fe2..4ca8e7608 100644
--- a/apps/application/serializers/application_chat_record.py
+++ b/apps/application/serializers/application_chat_record.py
@@ -304,6 +304,8 @@ class ApplicationChatRecordAddKnowledgeSerializer(serializers.Serializer):
         # 批量保存聊天记录
         ChatRecord.objects.bulk_update(chat_record_list, ['improve_paragraph_id_list'])
         update_document_char_length(document_id)
+        for chat_id in chat_ids:
+            ChatCountSerializer(data={'chat_id': chat_id}).update_chat()
 
         return paragraph_ids, knowledge_id