修正页码分析

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)
+        if not numbers:
+            continue
         pages.append(min(numbers))
         total.append(max(numbers))
     return pages, max(total)