Ailin focused on enhancing TiDB documentation within the qiancai/docs-cn and qiancai/docs repositories, targeting system variables that impact point-get performance. Over the course of a month, Ailin updated and clarified Markdown-based documentation for tidb_enable_point_get_cache and tidb_ignore_inlist_plan_digest, detailing their scope, applicability to SQL hints, types, default values, and performance implications when using LOCK TABLES in READ mode. The work consolidated guidance across both repositories, reducing user confusion and supporting adoption of performance optimizations. Ailin’s contributions demonstrated depth in technical writing and documentation, ensuring that users could better understand and leverage these TiDB features for improved query efficiency.