diff --git a/_includes/head.html b/_includes/head.html
index 062649e..ff4f843 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -16,6 +16,7 @@
 <meta property="og:description" content="{{ page_desc  }}" />
 <meta property="og:image" content="{{ site.url }}{{ site.baseurl }}/static/img/logo-share.png" /> <!-- WeChat requires that thumbnail image is larger than 300x300 -->
 <meta property="og:url" content="{{ site.url }}{{ site.baseurl }}{{ page.url }}" />
+<meta property="og:locale" content="zh_CN" />
 {% if include.notArticle %}
 <meta property="og:type" content="website" />
 {% else %}