During May 2025, Jingfeng Xjf focused on improving authentication logging stability in the alibaba/higress repository. He addressed a specific issue in the key-auth plugin by adjusting the log level for missing consumer-specific keys from WARN to DEBUG, ensuring that the message serves as an informational aid rather than a misleading warning. This targeted bug fix enhanced the clarity and maintainability of authentication flows, making debugging more efficient. Jingfeng utilized his expertise in C++ and plugin development, applying best practices in logging to deliver a solution that improved traceability and accountability, as evidenced by the direct linkage to the internal issue.