这是valgrind的输出..Conditionaljumpormovedependsonuninitialisedvalue(s)inRingsWidget::UpdateSeekBar()inringswidget.cpp:5141:RingsWidget::UpdateSeekBar()inringswidget.cpp:5142:RingsWidget::UpdateRings()inringswidget.cpp:1383:RingsWidget::qt_static_metacall(QObject*,QMetaObject::Call,int,void**)in/medi