Contributed to the 2dust/v2rayN repository by delivering two targeted feature updates focused on code quality and user experience. Applied C# and backend development skills to refactor string operations, removing redundant character checks to enhance code clarity and maintainability. Improved the speed test functionality by redesigning UI messages and refining test termination logic, resulting in a more responsive and user-friendly interface. These changes reduced technical debt and streamlined onboarding for new contributors by simplifying both the codebase and user experience. All updates were documented with clear, traceable commits, demonstrating a disciplined approach to code hygiene and adherence to project standards.