diff --git a/media_platform/zhihu/help.py b/media_platform/zhihu/help.py
index 1513429..c0c75db 100644
--- a/media_platform/zhihu/help.py
+++ b/media_platform/zhihu/help.py
@@ -19,6 +19,7 @@ from parsel import Selector
 
 from constant import zhihu as zhihu_constant
 from model.m_zhihu import ZhihuComment, ZhihuContent, ZhihuCreator
+from tools import utils
 from tools.crawler_util import extract_text_from_html
 
 ZHIHU_SGIN_JS = None