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 a5db10f1..ffd01dfe 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
@@ -14,11 +14,11 @@ public class TreeNode<T> implements Serializable {
     /**
      * 主键
      */
-    private Long id;
+    private transient Long id;
     /**
      * 上级ID
      */
-    private Long pid;
+    private transient Long pid;
     /**
      * 子节点列表
      */