(0,0)目前是当做初始随机位置，如需要放置(0,0)，可以配置最大化或全屏。也可以在补丁中去除限制:
a/package/qt5/qt5wayland/5.15.2/0005-qwaylandxdgshell-Support-setting-window-position.patch
++ b/package/qt5/qt5wayland/5.15.2/0005-qwaylandxdgshell-Support-setting-window-position.patch
@ -30,7 +30,7 @ index b6d23ac..692e799 100644
+
+ // Also avoid initial position (0,0).
+ // What if we do want to be at (0,0)?
- if (m_position position)
++ if (0 && m_position position)
+ return;
+ m_position = position