diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index a6c6709..8974a88 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -3,6 +3,9 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
+    {{ if .Site.Params.busuanzi }}
+    <meta name="referrer" content="no-referrer-when-downgrade">
+    {{ end }}
 
     {{ if .IsHome -}}
     <title>{{ .Site.Title }} | {{ .Site.Params.subtitle}}</title>