diff --git a/packages/docs/docs/plugin/official/plugin-google-analytics.md b/packages/docs/docs/plugin/official/plugin-google-analytics.md
index 13694ed940..2a1668bc04 100644
--- a/packages/docs/docs/plugin/official/plugin-google-analytics.md
+++ b/packages/docs/docs/plugin/official/plugin-google-analytics.md
@@ -19,7 +19,12 @@ yarn add -D @vuepress/plugin-google-analytics
 
 ```javascript
 module.exports = {
-  plugins: ['@vuepress/google-analytics'] 
+  plugins: [
+    '@vuepress/google-analytics',
+    {
+      'ga': '' // UA-00000000-0
+    }
+  ] 
 }
 ```