fix: 修复获取自定义歌单接口报错

xiaomusic/httpserver.py

@@ -580,6 +580,7 @@ async def playlistupdatename(
 @app.get("/playlistnames")
 async def getplaylistnames(Verifcation=Depends(verification)):
     names = xiaomusic.get_play_list_names()
+    log.info(f"names {names}")
     return {
         "ret": "OK",
         "names": names,

xiaomusic/xiaomusic.py

@@ -1176,7 +1176,7 @@ class XiaoMusic:
     # 获取所有自定义歌单
     def get_play_list_names(self):
         custom_play_list = self.get_custom_play_list()
-        return custom_play_list.keys()
+        return list(custom_play_list.keys())
 
     # 获取歌单中所有歌曲
     def play_list_musics(self, name):