补充

esua-epdc/epdc-module/epdc-events/epdc-events-server/src/main/java/com/elink/esua/epdc/modules/events/service/impl/ItemHotlineServiceImpl.java

@@ -309,7 +309,8 @@ public class ItemHotlineServiceImpl extends BaseServiceImpl<ItemHotlineDao, Item
 
     @Override
     public void goBack(ItemHotlineDTO dto) {
-        ItemHotlineEntity entity = ConvertUtils.sourceToTarget(dto, ItemHotlineEntity.class);
+        ItemHotlineEntity itemHotlineEntity = baseDao.selectById(dto.getId());
+        ItemHotlineEntity entity = ConvertUtils.sourceToTarget(itemHotlineEntity, ItemHotlineEntity.class);
         entity.setBackItemFlag("1");
         entity.setBackItemResult(dto.getBackItemResult());
         updateById(entity);

esua-epdc/epdc-module/epdc-events/epdc-events-server/src/main/java/com/elink/esua/epdc/modules/item/service/impl/ItemServiceImpl.java

@@ -6387,6 +6387,8 @@ public class ItemServiceImpl extends BaseServiceImpl<ItemDao, ItemEntity> implem
         String cbFlag = (String) params.get("cbFlag");
         if(StringUtils.isNotBlank(cbFlag)){
             lambdaQueryWrapper.eq(ItemHotlineEntity::getCbFlag,params.get("cbFlag"));
+        }else {
+            lambdaQueryWrapper.isNull(ItemHotlineEntity::getCbFlag);
         }
 
 //            lambdaQueryWrapper