You can modify products when selling on Amazon. On the Amazon platform, you can change products when engaging in product sales and business activities, but they must be similar products approved for sale within the scope of the business license. You cannot change products across categories and beyond the scope of the business license to engage in sales and business activities. You can change products when selling on Amazon, but you must change products within the scope permitted by laws and regulations to engage in sales and business activities. Therefore, you can change products when selling on Amazon.