求助 mint17 mate 版安装深度软件中心后 点程序图标没反应

在终端输入deepin-software-center  出现如下错误提示


INFO     Init ui
Traceback (most recent call last):
  File "/usr/bin/deepin-software-center", line 83, in
    start_main()
  File "/usr/bin/deepin-software-center", line 63, in start_main
    software_center.run()
  File "/usr/share/deepin-software-center/ui/software_center.py", line 1132, in run
    self.ready_show()
  File "/usr/share/deepin-software-center/ui/software_center.py", line 876, in ready_show
    self.init_ui()
  File "/usr/share/deepin-software-center/ui/software_center.py", line 833, in init_ui
    self.init_home_page()
  File "/usr/share/deepin-software-center/ui/software_center.py", line 914, in init_home_page
    bus_object = self.system_bus.get_object(DSC_SERVICE_NAME, DSC_SERVICE_PATH)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1