Fixed bugs related to order payment, eg: 1. The order used a discount coupon, but the amount was not deducted; 2. Multiple products were duplicated when submitting the order;
Fixed bugs related to order payment, eg: 1. The order used a discount coupon, but the amount was not deducted; 2. Multiple products were duplicated when submitting the order;
Fixed bugs related to order payment, eg: 1. The order used a discount coupon, but the amount was not deducted; 2. Multiple products were duplicated when submitting the order;