bug

src/main/java/com/huiju/estateagents/property/service/impl/BillStatementServiceImpl.java

@@ -99,7 +99,11 @@ public class BillStatementServiceImpl extends ServiceImpl<BillStatementMapper, B
             // 总金额
             Long sumPrice = childBillOrderList.stream().mapToLong(billOrder -> {
                 BillInvoice billInvoice = billInvoiceMapper.selectById(billOrder.getTpBillInvoiceId());
-                return billInvoice.getPayPrice();
+                Integer payPrice = 0;
+                if (null != billInvoice){
+                    payPrice = billInvoice.getPayPrice();
+                }
+                return payPrice;
             }).sum();
 
             e.setBillIdList(billIdCollect);