During June 2025, United Biscuits refactored the memory allocation system for the hash table in the rems-project/cn repository. Focusing on C programming and software architecture, they introduced an abstract allocator struct and explicit allocator APIs to standardize memory management across modules. This approach improved maintainability by ensuring consistent allocation patterns and provided a flexible foundation for future enhancements. By abstracting allocator logic, United Biscuits enabled safer and more coherent memory handling within critical data structures. The work demonstrated a solid understanding of memory management principles in C, addressing maintainability and extensibility concerns within the project’s core infrastructure.