diff --git a/src/config/__init__.py b/src/config/__init__.py
index 764778d9..b8cf6119 100644
--- a/src/config/__init__.py
+++ b/src/config/__init__.py
@@ -102,9 +102,9 @@ class Config(SimpleConfig):
         # 修改为按照子元素合并
         # _models = {**_models, **_models_private}
 
-        self.model_names = {**_models["MODEL_NAMES"], **_models_private["MODEL_NAMES"]}
-        self.embed_model_names = {**_models["EMBED_MODEL_INFO"], **_models_private["EMBED_MODEL_INFO"]}
-        self.reranker_names = {**_models["RERANKER_LIST"], **_models_private["RERANKER_LIST"]}
+        self.model_names = {**_models["MODEL_NAMES"], **_models_private.get("MODEL_NAMES", {})}
+        self.embed_model_names = {**_models["EMBED_MODEL_INFO"], **_models_private.get("EMBED_MODEL_INFO", {})}
+        self.reranker_names = {**_models["RERANKER_LIST"], **_models_private.get("RERANKER_LIST", {})}
 
     def _save_models_to_file(self):
         _models = {