Zh Zhang worked on stabilizing the tag creation workflow for the OpenCSGs/csghub-server repository, focusing on backend development and database management using Go. During this period, Zh addressed a bug in the CreateTag function by ensuring the inserted tag data was correctly scanned, which improved the accuracy of tag creation. To enhance test reliability, Zh updated the testing suite to generate unique tag names with uuid.NewString(), reducing conflicts and flaky tests. These targeted changes improved data integrity and test isolation, supporting safer CI/CD processes and smoother QA cycles, and demonstrated a thoughtful approach to maintaining robust backend systems.