diff --git a/common/BaseComicEntity.py b/common/BaseComicEntity.py
index 4cdadb1..259a16a 100644
--- a/common/BaseComicEntity.py
+++ b/common/BaseComicEntity.py
@@ -136,7 +136,7 @@ class baseComic:
         if is_next and fu.notExists(ci.getPathComicInfoXML()): ci.writeComicInfoXML(chapter_name)    
         if is_next and not is_old:
         #    ntfy.sendMsg(f"{book_name} {chapter_name} 下载中")
-            downloadUtils.download_images(list_img,ComicPath.getDirComicChapter(),files_name=files_name,concurrency=None,timeout=8)
+            downloadUtils.download_images(list_img,ComicPath.getDirComicChapter(),files_name=files_name,concurrency=10,timeout=8)
         #    ntfy.sendMsg("等待数据检验中...",sleep=0.5)
             is_next = fu.equImages(ComicPath.getDirComicChapter(),list_img)
         #    if not is_next: ntfy.sendMsg(msg=f"下载数据(不完整，{int(repeat*2)}秒钟后尝试第{repeat}次",sleep=int(repeat*2))