fix

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/BusRoomBookingOrdersServiceImpl.java

@@ -1091,17 +1091,17 @@ public class BusRoomBookingOrdersServiceImpl extends ServiceImpl<BusRoomBookingO
                 ).collect(Collectors.toList());
 
 
-               BigDecimal shoukuan = new BigDecimal(0);
-               BigDecimal xiaofei = new BigDecimal(0);
+                final BigDecimal[] shoukuan = {new BigDecimal(0)};
+                final BigDecimal[] xiaofei = {new BigDecimal(0)};
 
                 feeItems.forEach(c->{
                     if(c.getFeeType().equals(1)) { // 收款
-                        shoukuan.add(c.getMoney());
+                        shoukuan[0] = shoukuan[0].add(c.getMoney());
                     } else if(c.getFeeType().equals(2)) { // 消费
-                        xiaofei.add(c.getMoney());
+                        xiaofei[0] = xiaofei[0].add(c.getMoney());
                     }
                 });
-                BigDecimal m = shoukuan .subtract(xiaofei);
+                BigDecimal m = shoukuan[0].subtract(xiaofei[0]);
                 settleFees.get(0).setMoney(m);
                 if(m.doubleValue() < 0) settleFees.get(0).setCustorerOrderRemark("结账退款");
                 else settleFees.get(0).setCustorerOrderRemark("结账收款");