diff --git a/api/controllers/service_api/app/completion.py b/api/controllers/service_api/app/completion.py
index df5df90403..55c75e4987 100644
--- a/api/controllers/service_api/app/completion.py
+++ b/api/controllers/service_api/app/completion.py
@@ -13,7 +13,7 @@ from core.application_queue_manager import ApplicationQueueManager
 from core.entities.application_entities import InvokeFrom
 from core.errors.error import ModelCurrentlyNotSupportError, ProviderTokenNotInitError, QuotaExceededError
 from core.model_runtime.errors.invoke import InvokeError
-from flask import Response, stream_with_context
+from flask import Response, stream_with_context, request
 from flask_restful import reqparse
 from libs.helper import uuid_value
 from services.completion_service import CompletionService
@@ -75,11 +75,13 @@ class CompletionApi(AppApiResource):
 
 
 class CompletionStopApi(AppApiResource):
-    def post(self, app_model, end_user, task_id):
+    def post(self, app_model, _, task_id):
         if app_model.mode != 'completion':
             raise AppUnavailableError()
 
-        ApplicationQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user.id)
+        end_user_id = request.get_json().get('user')
+
+        ApplicationQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user_id)
 
         return {'result': 'success'}, 200
 
@@ -139,11 +141,13 @@ class ChatApi(AppApiResource):
 
 
 class ChatStopApi(AppApiResource):
-    def post(self, app_model, end_user, task_id):
+    def post(self, app_model, _, task_id):
         if app_model.mode != 'chat':
             raise NotChatAppError()
 
-        ApplicationQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user.id)
+        end_user_id = request.get_json().get('user')
+
+        ApplicationQueueManager.set_stop_flag(task_id, InvokeFrom.SERVICE_API, end_user_id)
 
         return {'result': 'success'}, 200