Worked on enhancing Markdown rendering in the langgenius/dify repository by improving the display and interactivity of think blocks. Leveraged React and TypeScript to implement HTML details-based rendering, replacing specific tags to address previous gaps in content presentation and user experience. Focused on ensuring backward compatibility, the changes required no API modifications and maintained existing workflows. Addressed issues with multi-block rendering in Markdown, reducing misrendering and user confusion. Validated the improvements through end-to-end checks, resulting in a smoother authoring process. The work demonstrated attention to both technical detail and user impact, emphasizing robust front end development practices throughout.