Worked on the ossrs/ffmpeg-webrtc repository, focusing on improving code stability and safety within the WAV decoding path. Addressed a critical reliability issue by fixing a bug in the find_guid function, ensuring that the read operation completes successfully before using its result. This change reduced the risk of uninitialized value usage, preventing potential crashes and incorrect GUID handling throughout the codebase. The work involved in-depth debugging and careful C programming, emphasizing robust software development practices. No new features were introduced during this period, as efforts were concentrated on hardening existing functionality and enhancing the overall reliability of the repository.