diff --git a/book.toml b/book.toml
index 03278fa..14fb46d 100644
--- a/book.toml
+++ b/book.toml
@@ -11,6 +11,7 @@ additional-css = ["theme/pagetoc.css"]
 additional-js  = ["theme/pagetoc.js"]
 git-repository-url = "https://github.com/gnu4cn/ts-learnings"
 git-repository-icon = "fa-github"
+google-analytics="G-VP1TNZE5KK"
 
 [output.html.print]
 enable = false