diff --git a/apps/application/serializers/chat_message_serializers.py b/apps/application/serializers/chat_message_serializers.py
index 08c37115..61e8c88d 100644
--- a/apps/application/serializers/chat_message_serializers.py
+++ b/apps/application/serializers/chat_message_serializers.py
@@ -41,21 +41,18 @@ chat_cache = caches['chat_cache']
 class ChatInfo:
     def __init__(self,
                  chat_id: str,
-                 chat_model: BaseChatModel | None,
                  dataset_id_list: List[str],
                  exclude_document_id_list: list[str],
                  application: Application,
                  work_flow_version: WorkFlowVersion = None):
         """
         :param chat_id:                     对话id
-        :param chat_model:                  对话模型
         :param dataset_id_list:             数据集列表
         :param exclude_document_id_list:    排除的文档
         :param application:                 应用信息
         """
         self.chat_id = chat_id
         self.application = application
-        self.chat_model = chat_model
         self.dataset_id_list = dataset_id_list
         self.exclude_document_id_list = exclude_document_id_list
         self.chat_record_list: List[ChatRecord] = []
@@ -83,7 +80,6 @@ class ChatInfo:
             'dialogue_number': self.application.dialogue_number,
             'prompt': model_setting.get(
                 'prompt') if 'prompt' in model_setting else Application.get_default_model_prompt(),
-            'chat_model': self.chat_model,
             'model_id': model_id,
             'problem_optimization': self.application.problem_optimization,
             'stream': True,
@@ -282,7 +278,7 @@ class ChatMessageSerializer(serializers.Serializer):
                                     QuerySet(Document).filter(
                                         dataset_id__in=dataset_id_list,
                                         is_active=False)]
-        return ChatInfo(chat_id, None, dataset_id_list, exclude_document_id_list, application)
+        return ChatInfo(chat_id, dataset_id_list, exclude_document_id_list, application)
 
     @staticmethod
     def re_open_chat_work_flow(chat_id, application):
@@ -290,4 +286,4 @@ class ChatMessageSerializer(serializers.Serializer):
             '-create_time')[0:1].first()
         if work_flow_version is None:
             raise AppApiException(500, "应用未发布,请发布后再使用")
-        return ChatInfo(chat_id, None, [], [], application, work_flow_version)
+        return ChatInfo(chat_id, [], [], application, work_flow_version)
diff --git a/apps/application/serializers/chat_serializers.py b/apps/application/serializers/chat_serializers.py
index aff1c32a..fd3eb52a 100644
--- a/apps/application/serializers/chat_serializers.py
+++ b/apps/application/serializers/chat_serializers.py
@@ -258,7 +258,7 @@ class ChatSerializers(serializers.Serializer):
             if work_flow_version is None:
                 raise AppApiException(500, "应用未发布,请发布后再使用")
             chat_cache.set(chat_id,
-                           ChatInfo(chat_id, None, [],
+                           ChatInfo(chat_id, [],
                                     [],
                                     application, work_flow_version), timeout=60 * 30)
             return chat_id
@@ -271,7 +271,7 @@ class ChatSerializers(serializers.Serializer):
                                    application_id=application_id)]
             chat_id = str(uuid.uuid1())
             chat_cache.set(chat_id,
-                           ChatInfo(chat_id, None, dataset_id_list,
+                           ChatInfo(chat_id,  dataset_id_list,
                                     [str(document.id) for document in
                                      QuerySet(Document).filter(
                                          dataset_id__in=dataset_id_list,
@@ -297,7 +297,7 @@ class ChatSerializers(serializers.Serializer):
                                       )
             work_flow_version = WorkFlowVersion(work_flow=work_flow)
             chat_cache.set(chat_id,
-                           ChatInfo(chat_id, None, [],
+                           ChatInfo(chat_id,  [],
                                     [],
                                     application, work_flow_version), timeout=60 * 30)
             return chat_id
@@ -354,7 +354,7 @@ class ChatSerializers(serializers.Serializer):
                                       model_params_setting=self.data.get('model_params_setting'),
                                       user_id=user_id)
             chat_cache.set(chat_id,
-                           ChatInfo(chat_id, None, dataset_id_list,
+                           ChatInfo(chat_id,  dataset_id_list,
                                     [str(document.id) for document in
                                      QuerySet(Document).filter(
                                          dataset_id__in=dataset_id_list,
diff --git a/apps/smartdoc/settings/base.py b/apps/smartdoc/settings/base.py
index 97b97654..c6b21882 100644
--- a/apps/smartdoc/settings/base.py
+++ b/apps/smartdoc/settings/base.py
@@ -105,13 +105,8 @@ CACHES = {
         }
     },
     'chat_cache': {
-        'BACKEND': 'common.cache.mem_cache.MemCache',
-        'LOCATION': 'unique-snowflake',
-        'TIMEOUT': 60 * 30,
-        'OPTIONS': {
-            'MAX_ENTRIES': 150,
-            'CULL_FREQUENCY': 5,
-        }
+        'BACKEND': 'common.cache.file_cache.FileCache',
+        'LOCATION': os.path.join(PROJECT_DIR, 'data', 'cache', "chat_cache")  # 文件夹路径
     },
     # 存储用户信息
     'user_cache': {