diff --git a/util/data_util.py b/util/data_util.py
index 65d7705..69fb417 100644
--- a/util/data_util.py
+++ b/util/data_util.py
@@ -195,6 +195,8 @@ def parse_page_num(page_list):
         page_texts = [p.get('text', '') for p in page]
         join = ''.join(page_texts)
         numbers = re.findall(r'\d+', join)
+        # 过滤异常值
+        numbers = [num for num in numbers if int(num) <= 30]
         if not numbers:
             continue
         pages.append(min(numbers))