面板搜索歌曲，出错了1.77

报错内容：

play. search_key:石沉大海 佑龙 name:石沉大海 佑龙
没找到歌曲【石沉大海 佑龙】
download: ('yt-dlp', 'bilisearch:石沉大海 佑龙', '-x', '--audio-format', 'mp3', '--paths', 'music', '-o', 'None.mp3', '--ffmpeg-location', './ffmpeg/bin', '--no-playlist')
do_tts: 正在下载歌曲石沉大海 佑龙
执行出错 can only concatenate str (not "NoneType") to str
Traceback (most recent call last):
  File "/app/xiaomusic/xiaomusic.py", line 609, in run_forever
    await func(arg1=oparg)
  File "/app/xiaomusic/xiaomusic.py", line 762, in play
    self.log.info("正在下载中 %s", search_key + ":" + name)
TypeError: can only concatenate str (not "NoneType") to str

hanxi / xiaomusic

面板搜索歌曲，出错了1.77 #91