During their recent work on the linuxdeepin/dde-session-shell repository, Chen Bina focused on improving the reliability of the login screen in multi-monitor environments, particularly for users with external 4K displays connected via docking stations. By addressing a bug related to screen geometry after logout, Chen introduced a more tolerant approach to display initialization and fine-tuned the geometry reset timer. This C++ and Qt Framework-based solution ensures the login screen appears correctly even if display initialization is incomplete, enhancing the user experience and system UI stability. The work demonstrated careful attention to edge cases and contributed a robust fix to the codebase.