diff --git a/application/views/mobile_first/ch-pc.php b/application/views/mobile_first/ch-pc.php
index e4caf5b4..1646a9db 100644
--- a/application/views/mobile_first/ch-pc.php
+++ b/application/views/mobile_first/ch-pc.php
@@ -25,6 +25,7 @@
     <link rel="dns-prefetch" href="https://www.googleadservices.com">
     <link rel="dns-prefetch" href="https://www.google-analytics.com">
     <!--@MAIN-CSS@-->
+    <!--@ADDON-CSS@-->
     <!--@CHINA-TRAINS-CSS@-->
     <!-- Google Tag Manager -->
     <script>(function (w, d, s, l, i) {
@@ -538,6 +539,7 @@
   </script>
 
     <!--@PRODUCT-JS@-->
+    <!--@ADDON-JS@-->
     <script>eval(function (p, a, c, k, e, d) {
             e = function (c) {
                 return (c < a ? "" : e(parseInt(c / a))) + ((c = c % a) > 35 ? String.fromCharCode(c + 29) : c.toString(36))
diff --git a/application/views/mobile_first/ch.php b/application/views/mobile_first/ch.php
index 43afc4d2..b97a69b3 100644
--- a/application/views/mobile_first/ch.php
+++ b/application/views/mobile_first/ch.php
@@ -22,6 +22,7 @@
   <link rel="dns-prefetch" href="https://www.google-analytics.com">
   <link rel="shortcut icon" href="https://data.chinahighlights.com/favicon.ico">
   <!--@MAIN-CSS@-->
+  <!--@ADDON-CSS@-->
   <!--@CHINA-TRAINS-CSS@-->
   <!-- Google Tag Manager -->
   <script>(function (w, d, s, l, i) {
@@ -578,6 +579,7 @@ Travel Service Co., LTD
     function loadScriptByAsync(src) { var asyncScript = document.createElement("script"); asyncScript.async = true; asyncScript.crossorigin = "anonymous"; asyncScript.src = src; firstScript = document.getElementsByTagName("script")[0]; firstScript.parentNode.insertBefore(asyncScript, firstScript); }
   </script>
   <!--@PRODUCT-JS@-->
+  <!--@ADDON-JS@-->
   <!--@IN-ARTICLE-GOOGLE@-->
 
   <script type="application/ld+json">