feat: update frontpage

Author: birchtree2

404.html

@@ -144,12 +144,16 @@
 <ul class="md-nav__list" data-md-scrollfix="">
 <li class="md-nav__item md-nav__item--nested">
 <input class="md-nav__toggle md-toggle" id="__nav_2_1" type="checkbox"/>
-<label class="md-nav__link" for="__nav_2_1" id="__nav_2_1_label" tabindex="0">
+<div class="md-nav__link md-nav__container">
+<a class="md-nav__link" href="/%E5%A4%A7%E4%B8%80%E4%B8%8A/C%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1%E5%9F%BA%E7%A1%80/index.html">
 <span class="md-ellipsis">
     C程序设计基础
   </span>
+</a>
+<label class="md-nav__link" for="__nav_2_1" id="__nav_2_1_label" tabindex="0">
 <span class="md-nav__icon md-icon"></span>
 </label>
+</div>
 <nav aria-expanded="false" aria-labelledby="__nav_2_1_label" class="md-nav" data-md-level="2">
 <label class="md-nav__title" for="__nav_2_1">
 <span class="md-nav__icon md-icon"></span>
@@ -234,12 +238,16 @@
 <ul class="md-nav__list" data-md-scrollfix="">
 <li class="md-nav__item md-nav__item--nested">
 <input class="md-nav__toggle md-toggle" id="__nav_3_1" type="checkbox"/>
-<label class="md-nav__link" for="__nav_3_1" id="__nav_3_1_label" tabindex="0">
+<div class="md-nav__link md-nav__container">
+<a class="md-nav__link" href="/%E5%A4%A7%E4%B8%80%E4%B8%8B/%E5%BE%AE%E7%A7%AF%E5%88%86%28%E7%94%B2%29II/index.html">
 <span class="md-ellipsis">
     微积分(甲)II
   </span>
+</a>
+<label class="md-nav__link" for="__nav_3_1" id="__nav_3_1_label" tabindex="0">
 <span class="md-nav__icon md-icon"></span>
 </label>
+</div>
 <nav aria-expanded="false" aria-labelledby="__nav_3_1_label" class="md-nav" data-md-level="2">
 <label class="md-nav__title" for="__nav_3_1">
 <span class="md-nav__icon md-icon"></span>
@@ -1904,20 +1912,6 @@
 </nav>
 </li>
 <li class="md-nav__item">
-<a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/Linux101.html">
-<span class="md-ellipsis">
-    Linux101
-  </span>
-</a>
-</li>
-<li class="md-nav__item">
-<a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/Linux%E5%86%85%E6%A0%B8%E8%B0%83%E8%AF%95.html">
-<span class="md-ellipsis">
-    Linux内核调试
-  </span>
-</a>
-</li>
-<li class="md-nav__item">
 <a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/WSL2.html">
 <span class="md-ellipsis">
     WSL2
@@ -1939,26 +1933,12 @@
 </a>
 </li>
 <li class="md-nav__item">
-<a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/wsl2%E5%AE%89%E8%A3%85.html">
-<span class="md-ellipsis">
-    WSL2
-  </span>
-</a>
-</li>
-<li class="md-nav__item">
 <a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/%E4%BB%A3%E7%90%86.html">
 <span class="md-ellipsis">
     代理
   </span>
 </a>
 </li>
-<li class="md-nav__item">
-<a class="md-nav__link" href="/%E5%B7%A5%E5%85%B7/%E7%B3%BB%E7%BB%9F%E7%9B%B8%E5%85%B3/%E9%85%8D%E7%8E%AF%E5%A2%83.html">
-<span class="md-ellipsis">
-    配环境
-  </span>
-</a>
-</li>
 </ul>
 </nav>
 </li>