Worked on enhancing device monitoring reliability in the librenms/librenms repository by addressing a bug affecting power supply labeling for YunShan OS devices. Focused on configuration management using YAML, the developer updated the yunshan.yaml configuration to ensure that each power supply retained its actual hardware identifier. This adjustment improved the accuracy of monitoring, alerting, and reporting for YunShan OS devices, directly impacting data quality. The work demonstrated attention to detail in device monitoring and configuration management, with a targeted fix that resolved mislabeling issues and contributed to more reliable infrastructure insights. The contribution was delivered within a one-month period.