From 62d0e8def92d61bdb316d733153a2e97ed68dff7 Mon Sep 17 00:00:00 2001
From: JeremyWuuuuu <591449570@qq.com>
Date: Tue, 24 Nov 2020 01:03:30 +0800
Subject: [PATCH] fix(cascader): fix cascader initial binding not working

---
 packages/utils/util.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/utils/util.ts b/packages/utils/util.ts
index 74270ad870..326a90fdfa 100644
--- a/packages/utils/util.ts
+++ b/packages/utils/util.ts
@@ -209,7 +209,7 @@ export function arrayFlat(arr: unknown[]) {
 }
 
 export function deduplicate<T>(arr: T[]) {
-  return [...new Set(arr)]
+  return Array.from(new Set(arr))
 }
 
 /**