diff --git a/renren-common/src/main/java/io/renren/common/utils/TreeNode.java b/renren-common/src/main/java/io/renren/common/utils/TreeNode.java
index a4675c93fddbd62fe2743cecc1d9d4ff5ea5498e..1168b9b6a3326cd64d9404a6d8cf52a555db8e28 100644
--- a/renren-common/src/main/java/io/renren/common/utils/TreeNode.java
+++ b/renren-common/src/main/java/io/renren/common/utils/TreeNode.java
@@ -8,6 +8,7 @@
 
 package io.renren.common.utils;
 
+import lombok.Data;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;