Worked on governance maintenance for the pingcap/tidb repository, focusing on improving the accuracy of code ownership and review processes. Updated the OWNERS_ALIASES file to replace a deprecated approver with the correct individual across multiple SIG approver lists, ensuring that responsibilities were properly aligned and reducing the risk of incorrect approvals. This change streamlined the code review workflow and minimized potential delays by designating the appropriate reviewers for each component. The work involved code ownership management and was implemented using Go, emphasizing careful repository governance and process optimization to support efficient collaboration and maintain high standards in project contributions.