diff --git a/index.html b/index.html
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@@ -7,6 +7,7 @@
      <body>
           <h1>小明劍魔精華</h1>
           <h3><a href="./page/find_your_problem.html">怎麼不找找自己問題</a></h3>
+          <h3><a href="./page/before_undergraduate.html">本科之前怎麼辦</a></h3>
          <!--
          <h3>Tsoding (@tsoding)  <a href="https://twitter.com/tsoding/status/1765823410284720600">March 7, 2024</a></h3>
          <h3><a href="https://www.adaic.org/resources/add_content/standards/05rat/html/Rat-8-4.html">『Fucking Website』</a></h3>
