错误信息如下所示，elementaryos还没有装插件。

Traceback (most recent call last):
  File "/usr/bin/deepin-music-player", line 270, in
    DeepinMusicApp()
  File "/usr/bin/deepin-music-player", line 47, in __init__
    import dbus_manager
  File "/usr/share/deepin-music-player/src/dbus_manager.py", line 29, in
    from player import Player
  File "/usr/share/deepin-music-player/src/player/__init__.py", line 685, in
    Player = DeepinMusicPlayer()            
  File "/usr/share/deepin-music-player/src/player/__init__.py", line 80, in __init__
    self.bin = PlayerBin()
  File "/usr/share/deepin-music-player/src/player/fadebin.py", line 271, in __init__
    raise FailedBuildGstElement("layer Bin")

请帮忙解决下。