diff --git a/packages/designer/src/document/document-model.ts b/packages/designer/src/document/document-model.ts
index f6615ecce..903312e29 100644
--- a/packages/designer/src/document/document-model.ts
+++ b/packages/designer/src/document/document-model.ts
@@ -49,6 +49,11 @@ export class DocumentModel {
   private emitter: EventEmitter;
   private rootNodeVisitorMap: { [visitorName: string]: any } = {};
 
+  /**
+   * @deprecated
+   */
+  private _addons: { [key: string]: { exportData: () => any; isProp: boolean;} } = {};
+
   /**
    * 模拟器
    */
@@ -512,6 +517,32 @@ export class DocumentModel {
     this.emitter.emit('lowcode_engine_renderer_ready', renderer);
   }
 
+  /**
+   * @deprecated
+   */
+  getAddonData(name: string) {
+    const addon = this._addons[name];
+    return addon?.exportData();
+  }
+
+  /**
+   * @deprecated
+   */
+  registerAddon(name: string, exportData: any) {
+    if (['id', 'params', 'layout'].indexOf(name) > -1) {
+      throw new Error('addon name cannot be id, params, layout');
+    }
+    const i = this._addons?.findIndex((item) => item.name === name);
+    if (i > -1) {
+      this._addons?.splice(i, 1);
+    }
+    this._addons?.push({
+      exportData,
+      name,
+    });
+  }
+
+
   acceptRootNodeVisitor(
     visitorName: string = 'default',
     visitorFn: (node: RootNode) => any ) {
diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index a255277e9..0dc6264f7 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -331,14 +331,6 @@ export class NodeChildren {
       }
     }
 
-    // if (callbacks?.onNodeAdd && options?.type === 'insert') {
-    //   try {
-    //     callbacks?.onNodeAdd.call(owner, node, owner);
-    //   } catch (e) {
-    //     console.error('error when excute experimental.callbacks.onNodeAdd', e);
-    //   }
-    // }
-
     if (owner.parent && !owner.parent.isRoot()) {
       this.reportModified(node, owner.parent, options);
     }
diff --git a/packages/plugin-outline-pane/src/views/root-tree-node.tsx b/packages/plugin-outline-pane/src/views/root-tree-node.tsx
index 08f7fee1c..bdaae0c65 100644
--- a/packages/plugin-outline-pane/src/views/root-tree-node.tsx
+++ b/packages/plugin-outline-pane/src/views/root-tree-node.tsx
@@ -29,7 +29,7 @@ class ModalTreeNodeView extends Component<{ treeNode: TreeNode }> {
   render() {
     const { treeNode } = this.props;
     const modalNodes = treeNode.children?.filter((item) => {
-      return item.node.getPrototype().isModal();
+      return item.node.getPrototype()?.isModal();
     });
     if (!modalNodes || modalNodes.length === 0) {
       return null;