During his recent work on the mybatis-3 and spring-framework repositories, Zongle Luo focused on backend stability and documentation quality. He enhanced MyBatis by adding a safety check in DefaultResultSetHandler, preventing IndexOutOfBoundsException during constructor-based auto-mapping, and reinforced reliability with targeted unit tests. In parallel, he improved documentation clarity and localization, updating Chinese configuration guides and refining annotation examples to support onboarding and internationalization. His contributions to Spring Framework included precise Javadoc corrections, ensuring documentation accuracy. Working primarily in Java and Markdown, Zongle demonstrated depth in code correction, database interaction, and documentation, delivering maintainable improvements across both code and docs.