diff --git a/api/configs/app_config.py b/api/configs/app_config.py
index 831f0a49e0..4f77b25240 100644
--- a/api/configs/app_config.py
+++ b/api/configs/app_config.py
@@ -1,6 +1,6 @@
 import logging
 from pathlib import Path
-from typing import Any
+from typing import Any, override
 
 from pydantic.fields import FieldInfo
 from pydantic_settings import BaseSettings, PydanticBaseSettingsSource, SettingsConfigDict, TomlConfigSettingsSource
@@ -25,6 +25,7 @@ class RemoteSettingsSourceFactory(PydanticBaseSettingsSource):
     def __init__(self, settings_cls: type[BaseSettings]):
         super().__init__(settings_cls)
 
+    @override
     def get_field_value(self, field: FieldInfo, field_name: str) -> tuple[Any, str, bool]:
         raise NotImplementedError
 
@@ -90,6 +91,7 @@ class DifyConfig(
     # Thanks for your concentration and consideration.
 
     @classmethod
+    @override
     def settings_customise_sources(
         cls,
         settings_cls: type[BaseSettings],