diff --git a/src/pages/Proposal/containers/CreateProposal/index.jsx b/src/pages/Proposal/containers/CreateProposal/index.jsx
index a6d2799b..9b7a7c1b 100644
--- a/src/pages/Proposal/containers/CreateProposal/index.jsx
+++ b/src/pages/Proposal/containers/CreateProposal/index.jsx
@@ -453,6 +453,7 @@ const CreateProposal = () => {
               address
             );
             if (minedRes.status === "success") {
+              dataLayer.push({'event': 'apply-contract', 'contractAction': `${isUpdate ? 'update': 'deploy'}`, 'approvalMode': 'withoutApproval'});
               const { contractAddress, contractName, contractVersion } =
                 minedRes;
               // open modal
@@ -532,6 +533,7 @@ const CreateProposal = () => {
           address: currentWallet.address,
         });
       }
+      dataLayer.push({'event': 'apply-contract', 'contractAction': `${isUpdate ? 'update': 'deploy'}`, 'approvalMode': 'bpApproval'});
       setApplyModal({
         visible: true,
         title: proposalId
diff --git a/template.ejs b/template.ejs
index aea0fb9b..6f1f2415 100755
--- a/template.ejs
+++ b/template.ejs
@@ -2,23 +2,30 @@
 <html lang="zh-CN">
 
 <head>
+  <!-- Google Tag Manager -->
+  <script>(function (w, d, s, l, i) {
+      w[l] = w[l] || []; w[l].push({
+        'gtm.start':
+          new Date().getTime(), event: 'gtm.js'
+      }); var f = d.getElementsByTagName(s)[0],
+        j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : ''; j.async = true; j.src =
+          'https://www.googletagmanager.com/gtm.js?id=' + i + dl; f.parentNode.insertBefore(j, f);
+    })(window, document, 'script', 'dataLayer', 'GTM-5ZN6KPD4');</script>
+  <!-- End Google Tag Manager -->
   <meta charset="UTF-8">
-  <title><%= htmlWebpackPlugin.options.title %></title>
+  <title>
+    <%= htmlWebpackPlugin.options.title %>
+  </title>
   <meta name="description"
     content="aelf explorer enables users to keep track of all the on-chain activities on aelf network, including real-time block data, transaction history, addresses, proposals, election results, etc.">
   <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
 </head>
 
 <body>
-  <!-- Google tag (gtag.js) -->
-  <script async src="https://www.googletagmanager.com/gtag/js?id=G-E620VD7EPL"></script>
-  <script>
-    window.dataLayer = window.dataLayer || [];
-    function gtag(){dataLayer.push(arguments);}
-    gtag('js', new Date());
-
-    gtag('config', 'G-E620VD7EPL');
-  </script>
+  <!-- Google Tag Manager (noscript) -->
+  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5ZN6KPD4" height="0" width="0"
+      style="display:none;visibility:hidden"></iframe></noscript>
+  <!-- End Google Tag Manager (noscript) -->
   <div id="app" class="aelf-app"></div>
 </body>
 
