fix refundTime

app/main/api/internal/logic/admin_order/adminrefundorderlogic.go

@@ -151,7 +151,6 @@ func (l *AdminRefundOrderLogic) createRefundRecordAndUpdateOrder(order *model.Or
 
 		// 更新订单状态
 		order.Status = orderStatus
-		order.RefundTime = sql.NullTime{Time: time.Now(), Valid: true}
 		if _, err := l.svcCtx.OrderModel.Update(ctx, session, order); err != nil {
 			return fmt.Errorf("更新订单状态失败: %v", err)
 		}

app/main/api/internal/queue/paySuccessNotify.go

@@ -172,7 +172,6 @@ func (l *PaySuccessNotifyUserHandler) processRefund(ctx context.Context, order *
 
 			// 更新订单状态为退款中
 			order.Status = model.OrderStatusRefunding
-			order.RefundTime = sql.NullTime{Time: time.Now(), Valid: true}
 			if _, err := l.svcCtx.OrderModel.Update(ctx, session, order); err != nil {
 				return fmt.Errorf("更新订单状态失败: %v", err)
 			}