diff --git a/u9a9/src/fetch.py b/u9a9/src/fetch.py
index 87f3ae5..5eb369c 100644
--- a/u9a9/src/fetch.py
+++ b/u9a9/src/fetch.py
@@ -42,10 +42,11 @@ def fetch_list(start_p=1):
                     url = None
                 else:
                     p += 1
+                    time.sleep(1)
             else:
                 logging.warning(f"fetch_list failed. url: {url} ")
                 url = None
-
+                
         else:
             logging.warning(f'fetch_page error. url: {url}, status_code: {status_code}')