diff --git a/_config.yml b/_config.yml
index e12fa43ff..7f2353310 100755
--- a/_config.yml
+++ b/_config.yml
@@ -4,10 +4,10 @@ info:
   docs: https://xaoxuu.com/wiki/material-x/
   cdn: # 把对应的那一行注释掉就使用本地的文件
     css:
-      # style: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.8/css/style.css
+      style: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.9.2/css/style.css
     js:
-      app: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.8/js/app.js
-      search: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.8/js/search.js
+      app: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.9/js/app.js
+      search: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-material-x@19.9/js/search.js
       volantis: https://cdn.jsdelivr.net/gh/xaoxuu/volantis@1.0.5/js/volantis.min.js
 
 
@@ -59,7 +59,7 @@ backstretch:
 cover:
   scheme: search    # 后期将会提供多种封面方案
   height: half      # full（默认值）: 首页封面占据整个第一屏幕，其他页面占半个屏幕高度， half: 所有页面都封面都只占半个屏幕高度
-  title: "Material X"
+  title: Demo
   # logo: assets/logo.png    # logo和title只显示一个，若同时设置，则只显示logo
   # search_placeholder: '搜索'
   # 主页封面菜单