refactor: model params

Author: wxg0103

apps/models_provider/impl/openai_model_provider/model/llm.py

@@ -35,8 +35,8 @@ def new_instance(model_type, model_name, model_credential: Dict[str, object], **
             streaming = False
         chat_open_ai = OpenAIChatModel(
             model=model_name,
-            api_base=model_credential.get('api_base'),
-            api_key=model_credential.get('api_key'),
+            openai_api_base=model_credential.get('api_base'),
+            openai_api_key=model_credential.get('api_key'),
             extra_body=optional_params,
             streaming=streaming,
             custom_get_token_ids=custom_get_token_ids