Hua Ma focused on robustness improvements for the TerminalDxe driver in the acidanthera/audk repository, addressing compatibility issues with devices lacking serial SetControl support. By modifying the C code to treat EFI_UNSUPPORTED responses from SetControl as successful, Hua Ma prevented unnecessary error propagation and reduced error noise during serial device interactions. This targeted change in the UEFI driver codebase enhanced stability and reliability across diverse hardware environments. Leveraging expertise in embedded systems programming and UEFI driver development, Hua Ma delivered a low-risk, traceable solution that improved user experience and hardware compatibility, demonstrating careful attention to both technical depth and maintainability.