During February 2025, Chen Jinhui enhanced the tisfeng/lobe-chat repository by focusing on Azure OpenAI integration, using TypeScript and full stack development skills. He refined the role assignment logic for Azure OpenAI models, addressing issues with misrouting and improving the reliability of model selection. To strengthen security, he updated the URL masking regular expression to accommodate recent changes in Azure service endpoints, reducing the risk of sensitive URL exposure. These targeted improvements were developed with deployment readiness in mind, aligning with standard QA processes. The work demonstrated a focused approach to stability and security within a complex cloud integration context.