期限皮平均皮重为空

src/main/java/com/steerinfo/baseinfo/meterbasetermtaredata/service/impl/MeterBaseTermTareDataServiceImpl.java

@@ -344,7 +344,8 @@ public class MeterBaseTermTareDataServiceImpl extends BaseServiceImpl<MeterBaseT
         }else if(modelTerm.getCarNo().equals(carNo)){
             //设置上一次皮重、平均皮重
             model.setUpWeight(modelTerm.getMeterWeight().longValue());  //BigDecimal转long类型
-            long avg = modelTerm.getAvgWeight()+modelTerm.getMeterWeight().longValue();
+            long avgValue = modelTerm.getAvgWeight() == null? 0: model.getAvgWeight();
+            long avg =avgValue + modelTerm.getMeterWeight().longValue();
             model.setAvgWeight(avg/2);
             model.setDataNo(modelTerm.getDataNo());
             meterBaseTermTareDataMapper.updateByPrimaryKeySelective(model);