During October 2024, Meijian contributed to the apache/nuttx repository by enhancing IPv6 address classification and improving network stack robustness. He developed a new macro in C to accurately identify global IPv6 addresses, refining the logic to exclude multicast, link-local, loopback, and unspecified types. Additionally, Meijian addressed a Coverity-reported defect in the getifaddrs function by introducing defensive null checks and validating memory allocations, which increased the reliability of network interface address retrieval. His work demonstrated strong skills in C programming, network programming, and static analysis, resulting in more reliable IPv6 networking and safer, more maintainable code for future deployments.