During March 2025, contributed to the ThinkInAIXYZ/deepchat repository by developing a Markdown Code Block Rendering Enhancement focused on improving the fidelity of code block output. This work involved extending the markdown rendering pipeline with new rendering rules in TypeScript, ensuring that code block content is rendered directly and original formatting is preserved. The enhancement aligned markdown output with user expectations and improved the overall developer experience. While no major bugs were addressed, minor maintenance supported the new feature. The project demonstrated skills in front-end development, markdown rendering, and Git-based feature delivery, emphasizing code quality and maintainability throughout the process.