diff --git a/packages/tree/src/model/node.js b/packages/tree/src/model/node.js
index edc51e122..b9c5848d0 100644
--- a/packages/tree/src/model/node.js
+++ b/packages/tree/src/model/node.js
@@ -343,6 +343,7 @@ export default class Node {
 
         this.doCreateChildren(children, defaultProps);
 
+        this.updateLeafState();
         if (callback) {
           callback.call(this, children);
         }