diff --git a/src/sites/base.py b/src/sites/base.py
index 311e8fb..d2cb0b2 100644
--- a/src/sites/base.py
+++ b/src/sites/base.py
@@ -143,7 +143,7 @@ class BaseSite(ABC):
         for cbz_path in list_cbz:
             first_cover_path = str(cbz_path).split(".")[0]+".jpg"
             if len(list_cover) == 1:
-                if FileNaming().file_update_by_date(first_cover_path):
+                if FileNaming().file_update_by_date(first_cover_path, day=30):
                     shutil.copy(list_cover[0].path, first_cover_path)
                     logger.info(f"{list_cover[0].path} ==> {first_cover_path} 已复制")
                 continue
@@ -152,7 +152,7 @@ class BaseSite(ABC):
                 cover_path = cover.path
                 if os.path.exists(first_cover_path): os.remove(first_cover_path)
                 new_cover_path = FileNaming().cover_format_path(str(cbz_path).split(".")[0]+".jpg", count=cover_count)
-                if  FileNaming().file_update_by_date(new_cover_path):
+                if  FileNaming().file_update_by_date(new_cover_path, day=30):
                     shutil.copy(cover_path, new_cover_path)
                     logger.info(f"{cover_path} ==> {new_cover_path} 已复制")
                     cover_count += 1