During December 2024, this developer focused on backend development and order management for the somle2005/ruoyi-vue-pro repository, addressing a complex issue in refund calculations. They resolved a bug where refund amounts did not accurately reflect the final adjusted price after multiple price changes during pending payments. By ensuring that both adjustPrice and payPrice fields were cumulatively updated with each modification, the developer improved the accuracy of refunds and enhanced customer trust. Working primarily with Java, they contributed stabilization work rather than new features, demonstrating attention to detail and a strong understanding of transactional integrity in order management systems.