diff --git a/xiuren/meitu_dl.py b/xiuren/meitu_dl.py
index 548e33c..f20721d 100644
--- a/xiuren/meitu_dl.py
+++ b/xiuren/meitu_dl.py
@@ -43,7 +43,7 @@ def fetch_posts(base_url, posts_per_batch=10):
                 post_title = post.get_text().strip()
 
                 # 检查帖子是否已下载
-                match = re.search(r'No\.(\d+)', post_title)
+                match = re.search(r'(?:[Nn][Oo]|[Vv][Oo][Ll])\.(\d+)', post_title)  # 支持 "No." 或 "
                 folder_name = match.group(1) if match else f"unknown_{len(posts) + 1}"
                 folder_path = os.path.join(download_root, folder_name)