During February 2025, 1637120528@qq.com developed foundational documentation for the IntensiveCoLearning/Ten-Days-on-Crypto-Ideology repository, focusing on the Coooder-Crypto module. They created a reusable onboarding scaffold in Markdown, incorporating clear timezone and contact information to streamline future collaboration. Their technical approach emphasized maintainability by establishing placeholders for incremental note-taking and future content expansion, ensuring the documentation remains adaptable as the project evolves. While no bugs were addressed during this period, the work provided a structured entry point for new contributors. The primary skills demonstrated were documentation and Markdown, with the depth of work centered on establishing a sustainable documentation framework.