diff --git a/application/views/mobile_first/ch-pc.php b/application/views/mobile_first/ch-pc.php
index 8499100a..10ff8a8a 100644
--- a/application/views/mobile_first/ch-pc.php
+++ b/application/views/mobile_first/ch-pc.php
@@ -20,7 +20,7 @@
     <link rel="dns-prefetch" href="//www.google-analytics.com">
     <link rel="dns-prefetch" href="//connect.facebook.net">
     <link rel="dns-prefetch" href="//www.facebook.com">
-    <link href="https://proxy-data.chinahighlights.com/css/mobile-first.css?v=1202913" rel="stylesheet">
+    <link href="https://proxy-data.chinahighlights.com/css/mobile-first.css?v=20210107" rel="stylesheet">
     <!--@ADDON-CSS@-->
     <!-- Google Tag Manager -->
     <script>(function (w, d, s, l, i) {
diff --git a/application/views/mobile_first/ch.php b/application/views/mobile_first/ch.php
index c0e4c27a..d5f2efab 100644
--- a/application/views/mobile_first/ch.php
+++ b/application/views/mobile_first/ch.php
@@ -9,7 +9,7 @@
     <meta content="width=device-width,minimum-scale=1,initial-scale=1" name="viewport">
     <!--@OG:IMAGE@-->
     <link rel="shortcut icon" href="//data.chinahighlights.com/favicon.ico">
-    <link href="https://proxy-data.chinahighlights.com/css/mobile-first.css?v=321" rel="stylesheet">
+    <link href="https://proxy-data.chinahighlights.com/css/mobile-first.css?v=20210107" rel="stylesheet">
     <!--@ADDON-CSS@-->
     <!-- Google Tag Manager -->
     <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':