diff --git a/index.html b/index.html
index 26777f9..df011d7 100644
--- a/index.html
+++ b/index.html
@@ -25,8 +25,8 @@
       <mdui-navigation-drawer>
         <mdui-list-item
           end-icon="arrow_right"
-          href="https://learn.study-area.org.cn"
-          >开始学习</mdui-list-item
+          href="https://study-area.org.cn"
+          >主页</mdui-list-item
         >
         <mdui-list-item
           end-icon="arrow_right"
@@ -47,14 +47,21 @@
 
       <mdui-layout-main class="example-layout-main" style="min-height: 300px">
         <mdui-card
-          href="https://learn.study-area.org.cn/computer/"
+          href="/intro/"
+          clickable
+          class="card"
+        >
+          <h1>前言</h1>
+        </mdui-card>
+        <mdui-card
+          href="/computer/"
           clickable
           class="card"
         >
           <h1>学习电脑</h1>
         </mdui-card>
         <mdui-card
-          href="https://learn.study-area.org.cn/linux-basic/"
+          href="/linux-basic/"
           clickable
           class="card"
         >