diff --git a/packages/designer/src/document/node/modal-nodes-manager.ts b/packages/designer/src/document/node/modal-nodes-manager.ts
index 819ac5334..6288b3547 100644
--- a/packages/designer/src/document/node/modal-nodes-manager.ts
+++ b/packages/designer/src/document/node/modal-nodes-manager.ts
@@ -3,6 +3,7 @@ import { Node } from './node';
 import { DocumentModel } from '../document-model';
 
 function getModalNodes(node: Node) {
+  if (!node) return [];
   let nodes: any = [];
   if (node.componentMeta.isModal) {
     nodes.push(node);