During January 2026, Pengbo Wang contributed to the datawhalechina/hello-agents repository by stabilizing streaming output and clarifying agent framework response handling. He addressed a bug in the ModelScope integration, adjusting the Python print logic to prevent duplicate outputs and deliver cleaner, more maintainable results. His approach included a targeted code cleanup that preserved original logic through in-code comments, enhancing traceability and easing future maintenance. By focusing on backend development and AI integration, Pengbo improved both the reliability and readability of the codebase. These efforts established a stable foundation for future enhancements while reducing debugging time for other developers.