Worked on the sglang repository to enhance the reliability and performance of NSA HiCache, focusing on backend development and cache management using Python. Addressed a critical issue in the hybrid cache attachment path by fixing the missing override_kv_cache_dim parameter, ensuring that the correct cache dimension is consistently applied during hybrid cache operations. This targeted bug fix improved both the correctness and stability of the caching layer, reducing the risk of misconfiguration in production environments. Collaborated closely with other contributors through code review, adhering to project standards and maintaining high code quality throughout the process, despite not delivering new features this month.