diff --git a/agent/application/preprocessing.py b/agent/application/preprocessing.py
index 30f58f3..776d0ec 100644
--- a/agent/application/preprocessing.py
+++ b/agent/application/preprocessing.py
@@ -15,7 +15,6 @@ from pydantic_ai.embeddings.sentence_transformers import (
 )
 from typing import cast, Dict, List, Any
 
-from json import loads
 
 from lark_oapi.api.wiki.service import WikiService
 
@@ -65,6 +64,7 @@ while True:
             # 文档更新时间戳
             document_updated_at: int = cast(int, item.obj_edit_time)
             online_document_ids[document_id] = document_updated_at
+
     # 更新分页标记
     page_token = cast(str, data.page_token)
     # 若是否还有更多项为否则跳出循环