Worked on the ourongxing/newsnow repository to address a critical backend issue involving ID handling within the data flow. Focused on stabilizing the k.target.id field, the developer implemented a transition to a safer urlId path to prevent integer overflow and ensure data integrity across both source and downstream components. This TypeScript-based solution resolved edge cases related to Zhihu data integration, reducing the risk of incorrect IDs and runtime errors for user-facing features. The work demonstrated careful defensive coding practices, with a concise, well-documented patch that improved maintainability and reliability without introducing unnecessary complexity to the existing backend architecture.