diff --git a/app/views/layouts/explore.html.erb b/app/views/layouts/explore.html.erb
index a261ffd..544277e 100644
--- a/app/views/layouts/explore.html.erb
+++ b/app/views/layouts/explore.html.erb
@@ -1,10 +1,9 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="zh">
   <head>
     <%= favicon_link_tag "favicons/favicon.ico" %>
     <title><%= yield :title %></title>
     <meta name="description" content="<%= yield :description %>">
-    <meta name="keywords" content="carto, maps, data visualization tools, big data, location intelligence, deep insights, datasets">
     <meta name="author" content="<%= @name %>">
     <meta charset='utf-8' />
     <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
