Xliez contributed to the ant-design/ant-design repository by enhancing the documentation for the Tree component, specifically adding detailed guidance for the onDoubleClick callback function. This work focused on clarifying how developers can implement and utilize the onDoubleClick event, improving onboarding and reducing ambiguity around user interaction behavior. Xliez collaborated with maintainers to ensure the documentation aligned with repository standards and changelog practices. The update was implemented using Markdown, leveraging front end development and documentation skills. While the contribution was limited to a single feature over one month, it addressed a targeted need for clearer API usage instructions within the project.