From b68f18aa94918a722490d5e82fb461cc549ad665 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Thu, 1 Feb 2018 15:16:21 +0800
Subject: [PATCH] Pagination: add key in pager (#9604)

---
 build/bin/version.js              | 2 +-
 examples/components/header.vue    | 2 +-
 examples/versions.json            | 2 +-
 packages/pagination/src/pager.vue | 1 +
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/build/bin/version.js b/build/bin/version.js
index 44065bb66..ef51c38af 100644
--- a/build/bin/version.js
+++ b/build/bin/version.js
@@ -1,6 +1,6 @@
 var fs = require('fs');
 var path = require('path');
 var version = process.env.VERSION || require('../../package.json').version;
-var content = { '1.4.13': '1.4' };
+var content = { '1.4.13': '1.4', '2.0.11': '2.0' };
 if (!content[version]) content[version] = '2.1';
 fs.writeFileSync(path.resolve(__dirname, '../../examples/versions.json'), JSON.stringify(content));
diff --git a/examples/components/header.vue b/examples/components/header.vue
index ae66f4d27..b841620b3 100644
--- a/examples/components/header.vue
+++ b/examples/components/header.vue
@@ -431,7 +431,7 @@
       xhr.onreadystatechange = _ => {
         if (xhr.readyState === 4 && xhr.status === 200) {
           const versions = JSON.parse(xhr.responseText);
-          this.versions = Object.keys(versions).slice(-2).reduce((prev, next) => {
+          this.versions = Object.keys(versions).reduce((prev, next) => {
             prev[next] = versions[next];
             return prev;
           }, {});
diff --git a/examples/versions.json b/examples/versions.json
index 7d0ad42a7..0899d5531 100644
--- a/examples/versions.json
+++ b/examples/versions.json
@@ -1 +1 @@
-{"1.4.13":"1.4","2.1.0":"2.1"}
\ No newline at end of file
+{"1.4.13":"1.4","2.0.11":"2.0","2.1.0":"2.1"}
\ No newline at end of file
diff --git a/packages/pagination/src/pager.vue b/packages/pagination/src/pager.vue
index 62f716ea4..017db225b 100644
--- a/packages/pagination/src/pager.vue
+++ b/packages/pagination/src/pager.vue
@@ -13,6 +13,7 @@
     </li>
     <li
       v-for="pager in pagers"
+      :key="pager"
       :class="{ active: currentPage === pager }"
       class="number">{{ pager }}</li>
     <li