diff --git a/smart-switch-ruoyi/smart-switch-common/src/main/java/com/ruoyi/common/utils/collection/TreeVO.java b/smart-switch-ruoyi/smart-switch-common/src/main/java/com/ruoyi/common/utils/collection/TreeVO.java
new file mode 100644
index 00000000..f64d63f3
--- /dev/null
+++ b/smart-switch-ruoyi/smart-switch-common/src/main/java/com/ruoyi/common/utils/collection/TreeVO.java
@@ -0,0 +1,15 @@
+package com.ruoyi.common.utils.collection;
+
+import java.util.List;
+
+public interface TreeVO {
+
+    public Object getId();
+
+    public Object getParentId();
+
+    public List<? extends TreeVO> getChildren();
+
+    public void setChildren(List<? extends TreeVO> children);
+    
+}