During a two-month period, Luotao focused on backend development and CI/CD improvements for the PaddlePaddle/Paddle repository. He enhanced CI security by updating GitHub Actions workflows, specifically refining the CI bypass access control to include new team members and align with onboarding changes. Using C++ and YAML, Luotao also restored critical CUDA version checks in the codebase, ensuring compatibility and stability across different CUDA environments. His work addressed deployment blockers and reduced runtime errors by maintaining feature parity for CUDA drivers and graphs. The contributions demonstrated careful attention to security, reliability, and the evolving needs of the development workflow.