diff --git a/src/components/tree/style.scss b/src/components/tree/style.scss
index f54fb0bff..9c33e5ed2 100644
--- a/src/components/tree/style.scss
+++ b/src/components/tree/style.scss
@@ -28,6 +28,9 @@ $treenode-height: 22px;
 
         &__title {
             margin-left: 5px;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
             width: 100%;
         }