During April 2025, Wang Zhibo updated the project timeline and submission deadlines for the umnooob/course-demo repository to accommodate a revised defense date. Working primarily with Markdown and focusing on documentation, Wang realigned all relevant deadlines, ensuring that the new defense date of May 30, 2025 was accurately reflected throughout the project. The work involved careful coordination with stakeholders to minimize disruption and maintain project momentum. Although no bugs were fixed during this period, Wang demonstrated disciplined version control practices and clear documentation, resulting in improved traceability. The scope of work was focused and addressed a specific scheduling requirement.