feature 1.修复空指针问题

order-management-invoice/src/main/java/com/dxhy/order/invoice/module/invoice/service/impl/OrderInvoiceInfoServiceImpl.java

@@ -1744,12 +1744,14 @@ public class OrderInvoiceInfoServiceImpl implements OrderInvoiceInfoService {
                             blueMxje = blueMxje.add(blueItemList.stream().map(blueItem -> new BigDecimal(blueItem.getXmje())).reduce(BigDecimal.ZERO, BigDecimal::add));
                             redItemList = invoiceStageReqPo.getRedItemList();
                         }
+                        if(redItemList != null){
                             redMxje = redItemList.stream().map(redItem -> new BigDecimal(redItem.getXmje())).reduce(BigDecimal.ZERO, BigDecimal::add).abs();
                             String syfpje = redMxje.subtract(blueMxje).toPlainString();
                             String redSyjeKey = KEY_RED_SYJE + redItemList.get(0).getId();
                             redisService.set(redSyjeKey,syfpje);
                             hashMap.put(redItemList.get(0).getId(),syfpje);
                         }
+                    }
                     lock.unlock();
                     return R.ok().put(OrderManagementConstant.DATA,hashMap);
                 } else {