During March 2025, this developer focused on backend stability and performance across the labring/FastGPT and infiniflow/ragflow repositories. They resolved a MongoDB GridFS streaming issue in FastGPT by restructuring buffer concatenation logic in Node.js, which improved large-file read throughput and eliminated service hangs. In ragflow, they stabilized Aliyun OSS backend configuration by refining initialization routines, reducing startup errors and misconfigurations. Additionally, they enhanced the get_by_id method with targeted exception handling and performance optimizations using Python and TypeScript, resulting in more reliable database queries. Their work emphasized robust error handling, configuration management, and measurable improvements to deployment reliability.