diff --git a/app/api/endpoints/webhook.py b/app/api/endpoints/webhook.py
index 1399162cd..f370b6c37 100644
--- a/app/api/endpoints/webhook.py
+++ b/app/api/endpoints/webhook.py
@@ -12,7 +12,7 @@ from app.schemas.response import Response as _SchemaResponse
 router = ResponseAPIRouter()
 
 
-def start_webhook_chain(body: Any, form: Any, args: Any):
+def start_webhook_chain(body: Any, form: Any, args: Any) -> None:
     """
     启动链式任务
     """