菜单栏高度太小时的设置

//托盘菜单栏的子菜单高度略小，下面的语句是让菜单栏加高，但是文字会前移，需空格键把文字后移
m_mTrayMenu->setStyleSheet("QMenu::item{ padding:6px;}");
m_mTrayMenu->addAction(QIcon(":/Resources/systemTray/yx.png"),"     游戏、网购模式")->setMenu(m_gameMenu);
m_mTrayMenu->addAction(QIcon(":/Resources/systemTray/sj.png"),"     升级")->setMenu(m_updateMenu);
m_mTrayMenu->addAction(QIcon(":/Resources/systemTray/antz.png"),"     安全通知");