diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
index 3e6a62e2a..6f3e65cc4 100644
--- a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
+++ b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
@@ -1,6 +1,7 @@
 package com.chad.baserecyclerviewadapterhelper.activity.node;
 
 import android.os.Bundle;
+import android.widget.Toast;
 
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -39,11 +40,15 @@ protected void onCreate(Bundle savedInstanceState) {
             @Override
             public void run() {
                 SecondNode seNode = new SecondNode(new ArrayList<BaseNode>(), "Second Node(This is added)");
+                SecondNode seNode2 = new SecondNode(new ArrayList<BaseNode>(), "Second Node(This is added)");
+                List<SecondNode> nodes = new ArrayList<>();
+                nodes.add(seNode);
+                nodes.add(seNode2);
                 //第一个夫node，位置为子node的3号位置
-                adapter.nodeAddData(adapter.getData().get(0), 3, seNode);
-                Tips.show("新增node");
+                adapter.nodeAddData(adapter.getData().get(0), 2, nodes);
+                Tips.show("新插入了两个node", Toast.LENGTH_LONG);
             }
-        }, 3000);
+        }, 2000);
     }
 
     private List<BaseNode> getEntity() {
diff --git a/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt b/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
index b0352a37a..21c6ff7a5 100644
--- a/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
+++ b/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
@@ -218,6 +218,19 @@ abstract class BaseNodeAdapter(data: MutableList<BaseNode>? = null)
         }
     }
 
+    fun nodeAddData(parentNode: BaseNode, childIndex: Int, newData: Collection<BaseNode>) {
+        parentNode.childNode?.let {
+            it.addAll(childIndex, newData)
+
+            if (parentNode is BaseExpandNode && !parentNode.isExpanded) {
+                return
+            }
+            val parentIndex = this.data.indexOf(parentNode)
+            val pos = parentIndex + 1 + childIndex
+            addData(parentIndex + pos, newData)
+        }
+    }
+
     /**
      * 对指定的父node下对子node进行移除
      * @param parentNode BaseNode 夫node