diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/materials/service/impl/MatMaterialsServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/materials/service/impl/MatMaterialsServiceImpl.java
index 88e7471d..4942f559 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/materials/service/impl/MatMaterialsServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/materials/service/impl/MatMaterialsServiceImpl.java
@@ -668,11 +668,13 @@ public class MatMaterialsServiceImpl extends ServiceImpl<MatMaterialsMapper, Mat
             BeanUtils.copyProperties(material, vo);
             Long id = material.getId();
             MatMaterialsInventory put = putMap.get(id);
-            vo.setSupplier(put.getRecipient());
-            vo.setInventoryId(put.getId());
-            vo.setNumber(put.getNumber());
-            vo.setOperator(put.getOperator());
-            vo.setEnterTime(put.getCreateTime());
+            if (put != null) {
+                vo.setSupplier(put.getRecipient());
+                vo.setInventoryId(put.getId());
+                vo.setNumber(put.getNumber());
+                vo.setOperator(put.getOperator());
+                vo.setEnterTime(put.getCreateTime());
+            }
             if (CollUtil.isNotEmpty(outList)) {
                 List<MatMaterialsInventory> outs = outList.stream()
                     .filter(inventory -> inventory.getMaterialsId().equals(id))