修改

sms_water/src/main/java/com/huaxu/service/impl/AppPageReportServiceImpl.java

@@ -65,7 +65,7 @@ public class AppPageReportServiceImpl implements AppPageReportService {
                 deviceWaterSupply.setAmount(BigDecimal.ZERO);
             }
             else{
-                deviceWaterSupply.setAmount(new BigDecimal(revenue.getMeterReadingUsage()));
+                deviceWaterSupply.setAmount(new BigDecimal(revenue.getMeterReadingUsage()==null?0:revenue.getMeterReadingUsage()));
             }
             deviceWaterSupplies.add(i, deviceWaterSupply);
         }