使用robot_hmi 包，编译出错！

/home/bcsh/catkin_ws/build/robot_hmi/include/robot_hmi/../../../../src/robot_hmi/include/robot_hmi/CCtrlDashBoard.h:14:47: error: ‘nullptr’ was not declared in this scope
explicit CCtrlDashBoard(QWidget *parent = nullptr, StyleType type=ST_DEFAULT);
^
In file included from /home/bcsh/catkin_ws/src/robot_hmi/src/CCtrlDashBoard.cpp:1:0:
/home/bcsh/catkin_ws/src/robot_hmi/src/../include/robot_hmi/CCtrlDashBoard.h:14:47: error: ‘nullptr’ was not declared in this scope
explicit CCtrlDashBoard(QWidget *parent = nullptr, StyleType type=ST_DEFAULT);