Over a two-month period, this developer contributed to easyops-cn/next-basics and easyops-cn/next-libs, focusing on targeted improvements in front-end reliability and developer experience. In next-basics, they enhanced the CmdbInstanceSelectPanel by implementing defensive rendering guards using React and TypeScript, ensuring the component only renders when essential data is present and reducing UI errors. Later, in next-libs, they introduced SPL mode to the code editor, adding advanced syntax highlighting and auto-completion for SPL commands. Their work demonstrated a careful, low-risk approach to code changes, leveraging JavaScript and TypeScript to deliver robust, maintainable solutions to specific user needs.