During December 2024, Zhang Yutian focused on improving documentation quality for the PaddlePaddle/PaddleX repository, specifically targeting the time series anomaly detection workflow. Zhang identified and corrected a file extension error in the Markdown documentation, ensuring that code examples referenced the correct CSV input format rather than an incorrect CS extension. This technical writing effort, utilizing Markdown and Bash, enhanced the clarity and accuracy of the documentation, directly reducing potential user confusion and support requests. The work demonstrated careful attention to detail and traceability, as the fix was linked to a specific commit and pull request, maintaining code and documentation consistency.