diff --git a/public/51.js b/public/51.js
new file mode 100644
index 000000000..a1cdf1338
--- /dev/null
+++ b/public/51.js
@@ -0,0 +1 @@
+document.write("<script>!function(p){\"use strict\";!function(t){var s=window,e=document,i=p,c=\"\".concat(\"https:\"===e.location.protocol?\"https://\":\"http://\",\"sdk.51.la/js-sdk-pro.min.js\"),n=e.createElement(\"script\"),r=e.getElementsByTagName(\"script\")[0];n.type=\"text/javascript\",n.setAttribute(\"charset\",\"UTF-8\"),n.async=!0,n.src=c,n.id=\"LA_COLLECT\",i.d=n;var o=function(){s.LA.ids.push(i)};s.LA?s.LA.ids&&o():(s.LA=p,s.LA.ids=[],o()),r.parentNode.insertBefore(n,r)}()}({id:\"K1QltizcK5DKviun\",ck:\"K1QltizcK5DKviun\",hashMode:true});</script>")