During March 2025, Happygame1024 localized documentation for the secretflow/spu repository, focusing on expanding accessibility for Chinese-speaking developers. They translated key sections, including the Type System documentation and a comprehensive FAQ in the getting_started guide, using PO files to ensure accurate language support. Their work involved technical writing, documentation structuring, and cross-language collaboration, leveraging Git for version control. By addressing onboarding challenges and reducing knowledge gaps, Happygame1024 improved the overall quality and maintainability of SPU’s documentation. The depth of their contributions lies in detailed coverage of object types, value types, dtype promotion, and visibility narrowing, tailored for the target audience.