qt.qpa.xcb: could not connect to display qt.qpa.plugin: Couldnot load the Qt platform plugin "xcb" in "/usr/local/qt5pi/plugins/platforms" even though it was found
错误如下:
Qt info: Could not load the Qt platform plugin "xcb" in "" even though it was found.Qt fatal: This application failed to start because no Qt platform plugin could be initialized., minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-