更新了15.5,一直右下角是控制中心，今天鼠标移下去打不开，把桌面热点重设一遍还是打不开，terminal中还是打不开，输出如下：

sage@sage-pc:~$ dde-control-center
load translate "/usr/share/dtkwidget/translations/dtkwidget2_zh_CN"
load translate "/usr/share/dde-control-center/translations/dde-control-center_zh_CN"
2017-11-16, 10:17:12.311 [Warning] [                                                         0] QObject::connect: signal not found in QPropertyAnimation
2017-11-16, 10:17:12.311 [Debug  ] [main.cpp             main                                190] dbus service already registered!

sage@sage-pc:~$ dde-control-center -v
load translate "/usr/share/dtkwidget/translations/dtkwidget2_zh_CN"
load translate "/usr/share/dde-control-center/translations/dde-control-center_zh_CN"
dde-control-center 4.0