diff --git a/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js b/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
index e0646a02f3..9785408229 100644
--- a/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
+++ b/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
@@ -63,9 +63,9 @@ module.exports = siteData => {
 
     get $title () {
       const page = this.$page
-      const { seoTitle } = this.$page.frontmatter
-      if (typeof seoTitle === 'string') {
-        return seoTitle
+      const { metaTitle } = this.$page.frontmatter
+      if (typeof metaTitle === 'string') {
+        return metaTitle
       }
 
       const siteTitle = this.$siteTitle
diff --git a/packages/docs/docs/theme/option-api.md b/packages/docs/docs/theme/option-api.md
index ea8b753b54..0fbb7aa90c 100644
--- a/packages/docs/docs/theme/option-api.md
+++ b/packages/docs/docs/theme/option-api.md
@@ -1,5 +1,5 @@
 ---
-seoTitle: Option API | Theme
+metaTitle: Option API | Theme
 ---
 
 # Option API
diff --git a/packages/docs/docs/zh/plugin/option-api.md b/packages/docs/docs/zh/plugin/option-api.md
index f01d4724d7..fee28ea1f7 100644
--- a/packages/docs/docs/zh/plugin/option-api.md
+++ b/packages/docs/docs/zh/plugin/option-api.md
@@ -1,5 +1,5 @@
 ---
-seoTitle: Option API | Plugin
+metaTitle: Option API | Plugin
 ---
 
 # Option API
diff --git a/packages/docs/docs/zh/theme/option-api.md b/packages/docs/docs/zh/theme/option-api.md
index 9a2fe2c819..f304f7bd12 100644
--- a/packages/docs/docs/zh/theme/option-api.md
+++ b/packages/docs/docs/zh/theme/option-api.md
@@ -1,5 +1,5 @@
 ---
-seoTitle: Option API | Theme
+metaTitle: Option API | Theme
 ---
 
 # Option API