During January 2026, Xiangyang Gao focused on improving the reliability of GPU monitoring in the alibaba/loongcollector repository. He addressed a crash-prone code path by implementing comprehensive exception handling in C++, wrapping GPU check logic with try-catch blocks to manage std::system_error, std::exception, and unknown exceptions. By logging errors and returning a safe fallback value instead of terminating the process, he enhanced fault tolerance and diagnostics for production environments. This work demonstrated depth in system programming, exception handling, and logging, resulting in a more robust monitoring component that gracefully handles failures without compromising overall system stability or observability.