1.http://tieba.baidu.com/p/3225596765 QtConfig was removed in Qt5. If you want to force Qt5 to use a specific style, set the QT_STYLE_OVERRIDE environment variable to your preferred style (e.g. gtk). 哈哈,不看 Wiki 作了吧.Qt5 移除了 qtconfig$ qtconfig-qt4 挖个坟,