diff --git a/pilot/model/parameter.py b/pilot/model/parameter.py
index ba0000435..be40a5e05 100644
--- a/pilot/model/parameter.py
+++ b/pilot/model/parameter.py
@@ -307,6 +307,12 @@ class ProxyModelParameters(BaseModelParameters):
         },
     )
 
+    proxy_api_app_id: str = field(
+        metadata={
+            "help": "The app id for current proxy LLM(Just for spark proxy LLM now)."
+        },
+    )
+
     proxy_api_key: str = field(
         metadata={"tags": "privacy", "help": "The api key of current proxy LLM"},
     )