diff --git a/utils/downloader.py b/utils/downloader.py
index e2d8e5f..526ce78 100644
--- a/utils/downloader.py
+++ b/utils/downloader.py
@@ -90,7 +90,7 @@ def download_images(image_urls, dst_dir,timeout=20,concurrency=5, proxy_type=Non
             future_list.append(executor.submit(
                 download_image, image_url, dst_dir, file_name, timeout, proxy_type, proxy))
             count += 1
-        time.sleep(0.3)
+        time.sleep(1)
         concurrent.futures.wait(future_list, timeout)
 
 def download_comic_icon():