From 1228e1d6046e6f2df451211c44f3e77018153871 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Fri, 1 Oct 2021 15:18:45 +0800
Subject: [PATCH] doc: fix tag demo error #4721

---
 components/tag/demo/control.vue | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/tag/demo/control.vue b/components/tag/demo/control.vue
index 8b65e99fb..f26976590 100644
--- a/components/tag/demo/control.vue
+++ b/components/tag/demo/control.vue
@@ -17,9 +17,9 @@ Generating a set of Tags by array, you can add and remove dynamically.
 </docs>
 
 <template>
-  <template v-for="(tag, index) in tags" :key="index">
+  <template v-for="(tag, index) in tags" :key="tag">
     <a-tooltip v-if="tag.length > 20" :title="tag">
-      <a-tag :key="tag" :closable="index !== 0" @close="handleClose(tag)">
+      <a-tag :closable="index !== 0" @close="handleClose(tag)">
         {{ `${tag.slice(0, 20)}...` }}
       </a-tag>
     </a-tooltip>