diff --git a/data_provider/api_docs.html b/data_provider/api_docs.html
index 3e6899b..681f306 100644
--- a/data_provider/api_docs.html
+++ b/data_provider/api_docs.html
@@ -1,6 +1,14 @@
 <!DOCTYPE html>
 <html lang="zh-CN">
 <head>
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-LVVXH3TL04"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+  gtag('config', 'G-LVVXH3TL04');
+</script>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Chan 数据提供商 - API 文档</title>
diff --git a/data_provider/homepage.html b/data_provider/homepage.html
index c3814f2..70a8628 100644
--- a/data_provider/homepage.html
+++ b/data_provider/homepage.html
@@ -1,6 +1,14 @@
 <!DOCTYPE html>
 <html lang="zh-CN">
 <head>
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-LVVXH3TL04"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+  gtag('config', 'G-LVVXH3TL04');
+</script>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Chan 数据提供商</title>
diff --git a/data_provider/main.py b/data_provider/main.py
index 7360107..fe43a1b 100644
--- a/data_provider/main.py
+++ b/data_provider/main.py
@@ -1310,6 +1310,14 @@ def create_app(provider: DataProvider) -> FastAPI:
         return f"""<!DOCTYPE html>
 <html lang="zh-CN">
 <head>
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-LVVXH3TL04"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){{dataLayer.push(arguments);}}
+      gtag('js', new Date());
+      gtag('config', 'G-LVVXH3TL04');
+    </script>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Data Provider — API Manual</title>
