[hotfix] Update forward except cn website

Author: hongwei

_includes/redirect-to-zh.html

@@ -1,7 +1,7 @@
 <script>
   const referrer = document.referrer
   const directVisit = !referrer
-  const inSite =  referrer.indexOf('orientalhorizon.com.cn') !== -1 || referrer.indexOf('localhost') !== -1 || referrer.indexOf('127.0.0.1') !== -1
+  const inSite =  referrer.indexOf('orientalhorizon.com.cn') !== -1 || referrer.indexOf('/cn') !== -1 || referrer.indexOf('localhost') !== -1 || referrer.indexOf('127.0.0.1') !== -1
 
   if (directVisit || !inSite) {
     document.location = 'cn'