From 1ee2df5f464c0cfd99c8ca116c44ab70f683f598 Mon Sep 17 00:00:00 2001
From: york yao <yaoao12306@outlook.com>
Date: Fri, 13 Jul 2018 20:33:22 +0800
Subject: [PATCH] fix: CI failure

---
 packages/vue/src/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/vue/src/index.ts b/packages/vue/src/index.ts
index 81cf236..6b9e3a5 100644
--- a/packages/vue/src/index.ts
+++ b/packages/vue/src/index.ts
@@ -213,7 +213,7 @@ export class Tree<T> extends Vue {
     }
     return hasPath
   }
-  private containsNode(parentNode: HTMLElement, node: HTMLElement) {
+  private containsNode(parentNode: HTMLElement, node: HTMLElement): boolean {
     for (let i = 0; i < parentNode.children.length; i++) {
       const child = parentNode.children[i] as HTMLElement
       if (child === node) {
@@ -226,7 +226,7 @@ export class Tree<T> extends Vue {
     return false
   }
   private getAnchor(target: HTMLElement) {
-    let anchor = target as HTMLElement
+    let anchor = target
     while (anchor && anchor.classList && !anchor.classList.contains('tree-anchor')) {
       anchor = anchor.parentElement as HTMLElement
     }