Settings: Filename Format Set

and small changes to follow PEP8 code style

change default README to Chinese

modules/functions/mainly/multi_download.py

@@ -34,7 +34,7 @@ def mdl(self):
     with CompactArrowBar(f"进度: %(index){len(str(len(ids)))}d/%(max)d",
                          suffix="", max=len(ids), color="yellow", width=9999) as bar:
         for i in range(0, len(ids)):
-            r = get_song_lyric(ids[i], self.settings.lyric_path, bar=bar)
+            r = get_song_lyric(ids[i], self.settings.lyric_path, self.settings.lyric_path, bar=bar)
             if r == "dl_err_connection":
                 bar.print_onto_bar(Fore.RED + "下载发生错误！可能是连接被拒绝!请检查网络后再试\n按回车键继续任务(该任务会被跳过)...")
                 input()