diff --git a/packages/vuepress-docs/docs/.vuepress/config.js b/packages/vuepress-docs/docs/.vuepress/config.js
index c99ff3b9..797f0c53 100644
--- a/packages/vuepress-docs/docs/.vuepress/config.js
+++ b/packages/vuepress-docs/docs/.vuepress/config.js
@@ -44,6 +44,7 @@ module.exports = {
         label: '简体中文',
         selectText: '选择语言',
         nav: require('./nav/zh-CN.js'),
+        lastUpdated: 'Last Updated',
         sidebar: {
           '/zh-CN/guide/': require('./sidebar/guide.js')('zh-CN'),
           '/zh-CN/plugins/': require('./sidebar/plugins.js')('zh-CN'),
@@ -54,6 +55,7 @@ module.exports = {
         label: 'English',
         selectText: 'Languages',
         nav: require('./nav/en-US.js'),
+        lastUpdated: '上次更新',
         sidebar: {
           '/en-US/guide/': require('./sidebar/guide.js')('en-US'),
           '/en-US/plugins/': require('./sidebar/plugins.js')('en-US'),