diff --git a/packages/designer/src/document/node/modal-nodes-manager.ts b/packages/designer/src/document/node/modal-nodes-manager.ts
index 819ac53349..8ad5591158 100644
--- a/packages/designer/src/document/node/modal-nodes-manager.ts
+++ b/packages/designer/src/document/node/modal-nodes-manager.ts
@@ -4,7 +4,7 @@ import { DocumentModel } from '../document-model';
 
 function getModalNodes(node: Node) {
   let nodes: any = [];
-  if (node.componentMeta.isModal) {
+  if (node?.componentMeta?.isModal) {
     nodes.push(node);
   }
   const children = node.getChildren();