diff --git a/public/index.html b/public/index.html
index 6b5bd12..351abc4 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,6 +1,16 @@
 <!DOCTYPE html>
 <html lang="zh">
   <head>
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-165845289-1"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){dataLayer.push(arguments);}
+      gtag('js', new Date());
+
+      gtag('config', 'UA-165845289-1');
+    </script>
+
     <meta charset="utf-8" />
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <!--<meta name="viewport" content="width=device-width, initial-scale=1" />-->
