消缺bug修正

hzims-service/operational/src/main/java/com/hnac/hzims/operational/defect/service/impl/DefectCheckServiceImpl.java

@@ -274,7 +274,7 @@ public class DefectCheckServiceImpl extends BaseServiceImpl<OperPhenomenonMapper
             taskId = operDefectEntity.getId();
             log.info("缺陷ID：" + operPhenomenonEntity.getDefectCode() + "入库成功");
             operPhenomenonEntity.setCurrentOperator("流程结束");
-            operPhenomenonEntity.setCurrentLinkHandler(null);
+            operPhenomenonEntity.setCurrentLinkHandler("");
         }
         //更新数据库
         Long statisticsEntityId = statisticsEntity.getId();