diff --git a/apps/application/serializers/chat_serializers.py b/apps/application/serializers/chat_serializers.py
index a6245cc20..7fd260a1c 100644
--- a/apps/application/serializers/chat_serializers.py
+++ b/apps/application/serializers/chat_serializers.py
@@ -36,6 +36,16 @@ chat_cache = cache
 
 
 class ChatSerializers(serializers.Serializer):
+    class Operate(serializers.Serializer):
+        chat_id = serializers.UUIDField(required=True)
+        application_id = serializers.UUIDField(required=True)
+
+        def delete(self, with_valid=True):
+            if with_valid:
+                self.is_valid(raise_exception=True)
+            QuerySet(Chat).filter(id=self.data.get('chat_id'), application_id=self.data.get('application_id')).delete()
+            return True
+
     class Query(serializers.Serializer):
         abstract = serializers.CharField(required=False)
         history_day = serializers.IntegerField(required=True)
@@ -48,7 +58,10 @@ class ChatSerializers(serializers.Serializer):
 
         def get_query_set(self):
             end_time = self.get_end_time()
-            return QuerySet(Chat).filter(application_id=self.data.get("application_id"), create_time__gte=end_time)
+            query_dict = {'application_id': self.data.get("application_id"), 'create_time__gte': end_time}
+            if 'abstract' in self.data and self.data.get('abstract') is not None:
+                query_dict['abstract'] = self.data.get('abstract')
+            return QuerySet(Chat).filter(**query_dict)
 
         def list(self, with_valid=True):
             if with_valid:
diff --git a/apps/application/swagger_api/chat_api.py b/apps/application/swagger_api/chat_api.py
index 89fab5310..1ac15e6f2 100644
--- a/apps/application/swagger_api/chat_api.py
+++ b/apps/application/swagger_api/chat_api.py
@@ -61,7 +61,9 @@ class ChatApi(ApiMixin):
                                   in_=openapi.IN_QUERY,
                                   type=openapi.TYPE_NUMBER,
                                   required=True,
-                                  description='历史天数')
+                                  description='历史天数'),
+                openapi.Parameter(name='abstract', in_=openapi.IN_QUERY, type=openapi.TYPE_STRING, required=False,
+                                  description="摘要")
                 ]
 
 
diff --git a/apps/application/urls.py b/apps/application/urls.py
index 2533720be..72293af32 100644
--- a/apps/application/urls.py
+++ b/apps/application/urls.py
@@ -20,6 +20,7 @@ urlpatterns = [
     path("application/chat/open", views.ChatView.OpenTemp.as_view()),
     path('application/<str:application_id>/chat', views.ChatView.as_view(), name='chats'),
     path('application/<str:application_id>/chat/<int:current_page>/<int:page_size>', views.ChatView.Page.as_view()),
+    path('application/<str:application_id>/chat/<chat_id>', views.ChatView.Operate.as_view()),
     path('application/<str:application_id>/chat/<chat_id>/chat_record/', views.ChatView.ChatRecord.as_view()),
     path('application/<str:application_id>/chat/<chat_id>/chat_record/<int:current_page>/<int:page_size>',
          views.ChatView.ChatRecord.Page.as_view()),
diff --git a/apps/application/views/chat_views.py b/apps/application/views/chat_views.py
index cc17384b3..5484c71dc 100644
--- a/apps/application/views/chat_views.py
+++ b/apps/application/views/chat_views.py
@@ -90,6 +90,26 @@ class ChatView(APIView):
             data={**query_params_to_single_dict(request.query_params), 'application_id': application_id,
                   'user_id': request.user.id}).list())
 
+    class Operate(APIView):
+        authentication_classes = [TokenAuth]
+
+        @action(methods=['DELETE'], detail=False)
+        @swagger_auto_schema(operation_summary="删除对话",
+                             operation_id="删除对话",
+                             tags=["应用/对话日志"])
+        @has_permissions(ViewPermission(
+            [RoleConstants.ADMIN, RoleConstants.USER],
+            [lambda r, keywords: Permission(group=Group.APPLICATION, operate=Operate.MANAGE,
+                                            dynamic_tag=keywords.get('application_id'))],
+            compare=CompareConstants.AND), lambda r, k: Permission(group=Group.APPLICATION, operate=Operate.DELETE,
+                                                                   dynamic_tag=k.get('application_id')),
+            compare=CompareConstants.AND)
+        def delete(self, request: Request, application_id: str, chat_id: str):
+            return result.success(
+                ChatSerializers.Operate(
+                    data={'application_id': application_id, 'user_id': request.user.id,
+                          'chat_id': chat_id}).delete())
+
     class Page(APIView):
         authentication_classes = [TokenAuth]