Zhu Lenghan contributed to the Borye/ragflow repository by updating the user fillup form submission format to improve both user experience and data quality. Using TypeScript and front end development skills, Zhu modified the form so that submission messages now display the actual field name instead of a generic key, making the data clearer for users and more consistent for downstream analytics. This change enhances traceability by referencing the relevant issue in the commit, supporting future audits and reviews. While the work focused on a single feature, it addressed a specific usability and data processing need with a targeted, maintainable solution.