fixed

src/main/java/cn/cslg/pas/service/business/CompareLiteratureService.java

@@ -386,8 +386,9 @@ public class CompareLiteratureService extends ServiceImpl<CompareLiteratureMappe
             return;
         }
         List<UpdateBatchLiteraturesDTO> dtos = updateBatchLiteratureDTO.getUpdateBatchLiteratureDTOs();
-        List<Integer> orders =dtos.stream().map(UpdateBatchLiteraturesDTO::getSysOrder).collect(Collectors.toList());
-                this.checkOrders(orders,projectId);
+        List<Integer> orders = dtos.stream().filter(i -> i.getId() == null).map(UpdateBatchLiteraturesDTO::getSysOrder).collect(Collectors.toList());
+        this.checkOrders(orders, projectId);
+
         int i = 1;
         for (UpdateBatchLiteraturesDTO item : dtos) {
             if (item.getType().equals(1)) {