售水量为空判读

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

@@ -60,7 +60,8 @@ public class RevenueServiceImpl implements RevenueService {
                 if(i<3){
                     result.add(monthSell.get(i));
                 } else{
-                    othersUsage+=monthSell.get(i).getWaterUsage();
+                    if(monthSell.get(i).getWaterUsage()!=null)
+                        othersUsage+=monthSell.get(i).getWaterUsage();
                 }
             }
             monthSellwaterDto.setPropertyName("其他用水");