During a two-month period, Heal Chow contributed to the apache/inlong repository by developing and enhancing backend features focused on stability, performance, and secure operations. He improved CI build reliability by implementing idempotent swapfile setup, optimized Pulsar message retrieval through concurrent programming with Java and thread pools, and strengthened deletion permissions for InlongGroup entities. Additionally, he addressed a critical bug in message filtering logic, improving code quality and correctness. In March, he enhanced audit query reliability by refining node type mapping and preventing null audit IDs, ensuring robust audit data retrieval. His work demonstrated depth in Java, Spring Framework, and CI/CD.