怎样去掉右击鼠标弹出菜单时的特效

代码:

snow@xuejian-HP:~$ fusion-icon
* Detected Session: gnome
* Searching for installed applications...
Backend     : gconf
Integration : true
Profile     : default
Traceback (most recent call last):
  File "/usr/bin/fusion-icon", line 57, in <module>
    from FusionIcon.interface import choose_interface
  File "/usr/lib/python2.7/dist-packages/FusionIcon/interface.py", line 21, in <module>
    from util import env
  File "/usr/lib/python2.7/dist-packages/FusionIcon/util.py", line 419, in <module>
    decorators = CompizDecorators(_installed)
  File "/usr/lib/python2.7/dist-packages/FusionIcon/util.py", line 226, in __init__
    self.command = context.Plugins['decoration'].Display['command']
KeyError: 'decoration'