Bian Jinyuan optimized the CI/CD pipeline for the secretflow/spu repository, focusing on improving build reliability and accelerating feedback cycles. He updated the continuous integration configuration by streamlining Bazel-based build commands, refining test targets, and modernizing dependency management. Using Python, Shell scripting, and YAML, Bian reduced build variance and minimized flaky tests, resulting in a more predictable and efficient CI process. His work enabled faster iteration and earlier bug detection, supporting steadier release readiness for the team. The depth of his engineering approach is reflected in the maintainable automation and traceable changes delivered during this focused development period.