During January 2026, Tian worked on the TencentBlueKing/blueking-dbm repository, focusing on backend feature delivery and reliability improvements. He developed a Version Log Notification System using Django and Python, enabling the tracking of user access to version logs and enhancing security transparency for users. Additionally, Tian addressed a bug in checksum task scheduling validation, ensuring that manual executions could not be scheduled in the past without explicit confirmation, thereby reducing the risk of mis-timed operations. His work demonstrated solid backend development skills, with attention to security, scheduling logic, and user trust, reflecting a thoughtful approach to engineering depth and reliability.