diff --git a/pageindex/utils.py b/pageindex/utils.py
index dc7acd888..3517ab80c 100644
--- a/pageindex/utils.py
+++ b/pageindex/utils.py
@@ -54,7 +54,7 @@ def ChatGPT_API_with_finish_reason(model, prompt, api_key=CHATGPT_API_KEY, chat_
                 time.sleep(1)  # Wait for 1秒 before retrying
             else:
                 logging.error('Max retries reached for prompt: ' + prompt)
-                return "Error"
+                return "", "error"
 
 
 
@@ -709,4 +709,4 @@ def load(self, user_opt=None) -> config:
 
         self._validate_keys(user_dict)
         merged = {**self._default_dict, **user_dict}
-        return config(**merged)
\ No newline at end of file
+        return config(**merged)