Zhiguang Liu focused on maintainability improvements in the acidanthera/audk repository by refining code review governance. He delivered a feature that updated reviewer ownership, specifically removing his own reviewer role from Maintainers.txt for MdeModulePkg and MdePkg, which clarified code review accountability and improved auditability. His approach centered on code review management, ensuring that reviewer assignments accurately reflected current responsibilities and streamlined the tracking process. Working primarily with text-based configuration files, Zhiguang demonstrated attention to repository governance and process clarity. The work addressed the need for precise reviewer tracking, contributing to a more maintainable and transparent code review workflow.