Jingtian Zx enhanced the oceanbase/odc repository by developing a user-focused improvement to the signature verification process. Using Java and applying internationalization best practices, Jingtian refined the error handling for InvalidSignature cases, delivering clearer and more actionable error messages without altering the underlying verification logic. This targeted change addressed user confusion by providing specific guidance, thereby reducing potential support requests and streamlining the troubleshooting experience. The work demonstrated a thoughtful approach to user experience within a technical context, focusing on communication clarity rather than core algorithm changes, and reflected a measured, incremental improvement in the project’s overall usability and supportability.