feature 抄表数等于0时不在报错

zhsw-common/src/main/java/com/rongwei/zhsw/system/service/impl/MeterReadingServiceImpl.java

@@ -44,6 +44,9 @@ public class MeterReadingServiceImpl implements MeterReadingService {
         log.info("开始删除抄表记录：{}",id);
         // 获取抄表记录
         SwWaterUsageEntryDo swWaterUsageEntryDo = swWaterUsageEntryService.getById(id);
+        if(swWaterUsageEntryDo==null){
+            throw new CustomException("该抄表记录已删除");
+        }
         // 本次记录由换表生成无法删除
         if("9".equals(swWaterUsageEntryDo.getReadingsource())){
             throw new CustomException("本次抄表记录由换表生成无法删除");