diff --git a/recyclertreeview-lib/src/main/java/tellh/com/recyclertreeview_lib/TreeNode.java b/recyclertreeview-lib/src/main/java/tellh/com/recyclertreeview_lib/TreeNode.java
index ed49eb5..81d545f 100644
--- a/recyclertreeview-lib/src/main/java/tellh/com/recyclertreeview_lib/TreeNode.java
+++ b/recyclertreeview-lib/src/main/java/tellh/com/recyclertreeview_lib/TreeNode.java
@@ -71,4 +71,14 @@ public boolean toggle() {
     public boolean isExpand() {
         return isExpand;
     }
+
+    @Override
+    public String toString() {
+        return "TreeNode{" +
+                "content=" + content +
+                ", parent=" + parent.getContent() +
+                ", childList=" + childList +
+                ", isExpand=" + isExpand +
+                '}';
+    }
 }