Yuanzhe Wang contributed to the AliceO2Group/AliceO2 repository by focusing on simulation fidelity within particle physics modeling. During the month, he addressed a critical bug in the C++ codebase, specifically correcting the decay branch ratio for antihyperhelium4sigma in the O2MCApplication.cxx file. This adjustment aligned the simulation parameters with updated physics models, enhancing the accuracy of decay process simulations. By prioritizing correctness over new feature development, Yuanzhe improved the reliability of downstream analyses and ensured greater model integrity. His work demonstrated depth in C++ development and physics simulation, reflecting a careful approach to maintaining scientific accuracy in complex systems.