diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
index eb95a48fe..1d6da45da 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
@@ -112,7 +112,7 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
                         .setName(dept.getDeptName())
                         .setWeight(dept.getOrderNum())
                         .putExtra("disabled", SystemConstants.DISABLE.equals(dept.getStatus())));
-                Tree<Long> tree = trees.stream().filter(it -> it.getId().longValue() == d.getDeptId()).findFirst().get();
+                Tree<Long> tree = StreamUtils.findFirst(trees, it -> it.getId().longValue() == d.getDeptId());
                 treeList.add(tree);
             }
         }