feat: 邮费固定

fs-user-app/src/main/java/com/fs/app/controller/StoreOrderController.java

@@ -205,8 +205,8 @@ public class StoreOrderController extends  AppBaseController {
         // 部分付款
         else if(param.getPayType().equals(2)){
             order.setPayType(2);
-            BigDecimal payMoney=order.getPayPrice().multiply(new BigDecimal(storeConfig.getPayRate())).divide(new BigDecimal(100));
-            payMoney=new BigDecimal(payMoney.setScale(2, BigDecimal.ROUND_HALF_UP).longValue());
+            BigDecimal payMoney = order.getPayPrice().multiply(new BigDecimal(storeConfig.getPayRate())).divide(new BigDecimal(100));
+            payMoney = payMoney.setScale(2, BigDecimal.ROUND_HALF_UP);
             order.setPayDelivery(order.getPayPrice().subtract(payMoney));
             order.setPayMoney(payMoney);
         }