During December 2024, Dusheng Gaoqiao focused on backend development for the wxiaoguang/gitea repository, addressing a critical issue in the authentication system. He resolved a bug where the SSPI sign-in option was not visible when SSPI was the only enabled authentication method, ensuring consistent user experience across OAuth2 and OpenID sign-in flows. Working primarily with Go, he updated the authentication logic and expanded test coverage to include SSPI-only scenarios, reducing the risk of future regressions. His work improved the enterprise sign-in process for Windows-based deployments, demonstrating depth in authentication systems and attention to robust, maintainable backend solutions.