diff --git a/list-3x/assets/lib/yx-collection-view.ts b/list-3x/assets/lib/yx-collection-view.ts
index d23bbb2..6b8b3d0 100644
--- a/list-3x/assets/lib/yx-collection-view.ts
+++ b/list-3x/assets/lib/yx-collection-view.ts
@@ -574,7 +574,7 @@ export class YXCollectionView extends Component {
 
             let transform = content.getComponent(UITransform) || content.addComponent(UITransform)
             transform.contentSize = this.node.getComponent(UITransform).contentSize
-            this.getComponent(Widget).updateAlignment?.();
+            this.getComponent(Widget)?.updateAlignment?.();
             result.content = content
         }