diff --git a/components/tree/tree-node-title.component.ts b/components/tree/tree-node-title.component.ts
index c20d4aafc6..4b7bc46d2d 100644
--- a/components/tree/tree-node-title.component.ts
+++ b/components/tree/tree-node-title.component.ts
@@ -41,12 +41,12 @@ import { NzTreeNode, NzTreeNodeOptions } from 'ng-zorro-antd/core/tree';
-
+
`,
changeDetection: ChangeDetectionStrategy.OnPush,
preserveWhitespaces: false,