diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index ede0caf..710161f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -258,7 +258,7 @@ public class SysDeptServiceImpl implements ISysDeptService
         {
             child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
         }
-        if (children.size() > 0)
+        if (!children.isEmpty())
         {
             deptMapper.updateDeptChildren(children);
         }