You can return the changes. According to the inquiry of People's Daily Online, this situation is that the unit can be returned without the approval of the Fund Committee after submission. If it is approved, it can't be returned. The task of the Fund Committee is to manage the affairs of studying abroad and studying in China by the rule of law and economic means, manage and use the national fund for studying abroad, determine the relevant funding projects and methods, formulate management regulations, and give full play to the efficiency of the use of funds.