make download_one_file() more general

core.py

@@ -223,7 +223,7 @@ def _download_one_file(url: str, save_path: Path):
     filebytes = get_html(url, return_type='content')
     if isinstance(filebytes, bytes) and len(filebytes):
         if len(filebytes) == save_path.open('wb').write(filebytes):
-            return f'[+]Image Downloaded! {save_path}'
+            return str(save_path)
     return None
 
 def extrafanart_download_threadpool(url_list, save_dir, number, source_movie):
@@ -243,7 +243,7 @@ def extrafanart_download_threadpool(url_list, save_dir, number, source_movie):
     with ThreadPoolExecutor(os.cpu_count()) as pool:
         result = pool.map(download_one_file, mp_args)
     for s in result:
-        print(s) if s else None
+        print('[+]Image Downloaded!', s) if s else None
     if not all(result): # 非致命错误，电影不移入失败文件夹，将来可以用模式3补齐
         print('[-]Failed download some extrafanart images for number [{number}], you may retry run mode 3 later.')
     if conf.debug():