diff --git a/src/components/Tree/src/Tree.vue b/src/components/Tree/src/Tree.vue
index d77af4bd6b8cea231ddba25d728252ee2b9dea47..5942e5786c922cd9c543b562cfd0653d6292c842 100644
--- a/src/components/Tree/src/Tree.vue
+++ b/src/components/Tree/src/Tree.vue
@@ -381,7 +381,7 @@
           ) : (
             title
           );
-          item.title = (
+          item[titleField] = (
             <span
               class={`${bem('title')} pl-2`}
               onClick={handleClickNode.bind(null, item[keyField], item[childrenField])}