1.兼容旧的picking展示

src/main/java/com/neotel/smfcore/custom/luxsan/factory_c/rawstor/controller/PkCheckOutController.java

@@ -134,7 +134,7 @@ public class PkCheckOutController {
             return ResultBean.newErrorResult(-1, "smfcore.valueCanotNull", "{0}不能为空", new String[]{"pickingId"});
         }
         List<GetPickingItemsResult> pickingItems = LuxsanApi.getPickingItems(new GetPickingItemsRequest(CommonUtil.plantCode, pickingId));
-        pickingItems = pickingItems.stream().sorted(Comparator.comparing(GetPickingItemsResult :: getMg)
+        pickingItems = pickingItems.stream().sorted(Comparator.comparing(GetPickingItemsResult :: getMg,Comparator.nullsFirst(Comparator.naturalOrder()))
                 .thenComparing(GetPickingItemsResult :: getISSUED_QTY)).collect(Collectors.toList());
         return ResultBean.newOkResult(GetPickingItemsDto.convertGetPickingItemsResultDto(pickingItems));
     }