A skill learning management application with a swamp green theme. Supports six skill classifications such as programming, language, design, music, and sports. It can record skill name, description, level, total learning time and learning notes. It provides learning session recording function, including time, score and detailed notes. It has a complete statistical analysis system to display learning progress and achievements. It supports four proficiency level management, from beginner to expert. The interface adopts swamp green color design, which is professional and energetic. It is a scientific management tool on the road to skill improvement.