diff --git a/apps/application/serializers/application.py b/apps/application/serializers/application.py
index 74ed342df..aa4c181c1 100644
--- a/apps/application/serializers/application.py
+++ b/apps/application/serializers/application.py
@@ -24,7 +24,6 @@ from django.utils.translation import gettext_lazy as _
 from langchain_mcp_adapters.client import MultiServerMCPClient
 from rest_framework import serializers, status
 from rest_framework.utils.formatting import lazy_format
-
 from application.flow.common import Workflow
 from application.models.application import Application, ApplicationTypeChoices, ApplicationKnowledgeMapping, \
     ApplicationFolder, ApplicationVersion
diff --git a/apps/application/views/application.py b/apps/application/views/application.py
index 66cf79da7..80f23e613 100644
--- a/apps/application/views/application.py
+++ b/apps/application/views/application.py
@@ -139,11 +139,11 @@ class ApplicationAPI(APIView):
         @log(menu='Application', operate="Export Application",
              get_operation_object=lambda r, k: get_application_operation_object(k.get('application_id')),
              )
-        def post(self, request: Request, workspace_id: str, application_id: str):
+        def get(self, request: Request, workspace_id: str, application_id: str):
             return ApplicationOperateSerializer(
                 data={'application_id': application_id,
                       'workspace_id': workspace_id,
-                      'user_id': request.user.id}).export(request.data)
+                      'user_id': request.user.id}).export()
 
     class Operate(APIView):
         authentication_classes = [TokenAuth]
diff --git a/apps/common/utils/common.py b/apps/common/utils/common.py
index a5054b39a..0b9732b5c 100644
--- a/apps/common/utils/common.py
+++ b/apps/common/utils/common.py
@@ -291,8 +291,8 @@ def get_sha256_hash(_v: str | bytes):
 ALLOWED_CLASSES = {
     ("builtins", "dict"),
     ('uuid', 'UUID'),
-    ("application.serializers.application_serializers", "MKInstance"),
-    ("function_lib.serializers.function_lib_serializer", "FlibInstance")
+    ("application.serializers.application", "MKInstance"),
+    ("tools.serializers.tool", "ToolInstance")
 }