Worked on enhancing resource management in the xupefei/spark repository, focusing on preventing file stream leaks during task interruptions in Apache Spark. Addressed a critical bug by implementing a robust resource initialization utility, ensuring that resources are properly closed even when initialization is interrupted. This solution was integrated across data reading components, improving the reliability and stability of data ingestion pipelines. Applied defensive programming techniques in Scala to manage the resource lifecycle within core and SQL modules. The work demonstrated a deep understanding of backend development and contributed to more stable Spark operations by safeguarding against resource leaks during cancellations and interruptions.