Dongxinyu developed comprehensive Baidu Kunlun XPU support documentation for the jeejeelee/vllm repository, focusing on clear installation steps and seamless cross-repository referencing. Using Markdown and applying technical writing best practices, Dongxinyu ensured the documentation aligned with project standards, making it easier for new users to onboard and configure Kunlun XPU hardware. The work addressed enterprise needs by expanding hardware compatibility and reducing setup friction, ultimately increasing the visibility of Kunlun XPU support within the project. The contribution demonstrated a professional documentation workflow, including proper sign-off, and reflected a thoughtful approach to technical communication and open-source collaboration.