During March 2025, Biao Wu focused on backend development and bug fixing for the apache/doris repository, addressing a critical reliability issue in the Doris restore workflow. He introduced a staging mechanism for restored tables, which prevents premature deletion and correctly manages aliased table names, thereby maintaining metadata consistency between master and follower nodes. Working primarily with Java and leveraging his expertise in database management, Biao’s solution improved data integrity and reduced operational risk during disaster recovery scenarios. His work clarified restore steps, enhanced error visibility, and strengthened cluster stability, demonstrating a thoughtful and in-depth approach to complex system reliability challenges.