增加代码注释

amos-boot-module/amos-boot-module-biz/amos-boot-module-common-biz/src/main/java/com/yeejoin/amos/boot/module/common/biz/service/impl/DutyPersonServiceImpl.java

@@ -197,6 +197,7 @@ public class DutyPersonServiceImpl extends DutyCommonServiceImpl implements IDut
                     };
                 }
             });
+            //若修改时将原有值班改为请选择 需删除原有排班 否则无法置空原有数据 
             if (currentData.size()>0 && ActionStatus.METHOD_UPDATE.getCode().equals(type) ){
                 ArrayList<Long> ids = new ArrayList<>();
                 currentData.stream().forEach(e->ids.add(e.getSequenceNbr()));