diff --git a/.github/404.html b/.github/404.html
deleted file mode 100644
index e71e4bb..0000000
--- a/.github/404.html
+++ /dev/null
@@ -1,132 +0,0 @@
-<!doctype html>
-<html lang="zh-CN">
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>居中单页示例</title>
-  <style>
-    /* Reset */
-    *{box-sizing:border-box;margin:0;padding:0}
-    html,body{height:100%}
-
-    /* 主布局：使用 flex 居中 */
-    body{
-      display:flex;
-      align-items:center;           /* 垂直居中 */
-      justify-content:center;       /* 水平居中 */
-      padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
-      background:linear-gradient(180deg,#f7fbff,#eef6ff);
-      font-family:system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;
-      -webkit-font-smoothing:antialiased;
-      -moz-osx-font-smoothing:grayscale;
-    }
-
-    /* 容器：垂直排列文案和链接 */
-    .center-card{
-      text-align:center;
-      padding:24px;
-      border-radius:14px;
-      box-shadow:0 6px 20px rgba(30,60,100,0.08);
-      background:rgba(255,255,255,0.9);
-      width:calc(100% - 40px);
-      max-width:560px;
-    }
-
-    /* 响应式标题与说明：使用 clamp 控制字体在不同屏幕大小 */
-    h1{
-      font-size:clamp(18px,4.5vw,28px);
-      margin-bottom:10px;
-      color:#0b2540;
-    }
-    p{
-      font-size:clamp(14px,3.5vw,16px);
-      color:#27486a;
-      margin-bottom:18px;
-      line-height:1.45;
-    }
-
-    /* 按钮样式的链接 */
-    .btn{
-      display:inline-block;
-      padding:12px 20px;
-      border-radius:10px;
-      text-decoration:none;
-      font-weight:600;
-      font-size:15px;
-      background:#2563eb;
-      color:#fff;
-      box-shadow:0 6px 18px rgba(37,99,235,0.18);
-      transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease;
-    }
-    .btn:active{transform:translateY(1px)}
-    .btn:focus{outline:3px solid rgba(37,99,235,0.18);outline-offset:3px}
-
-    /* 小屏幕时按钮撑满 */
-    @media (max-width:420px){
-      .btn{display:block;width:100%}
-    }
-  </style>
-</head>
-<body>
-  <main class="center-card" role="main">
-    <h1 id="headline">感谢您的一路相伴</h1></br>
-    <p id="subtext">本站<strong>已迁移</strong>到新的域名，请等待<strong>自动跳转</strong>...</p>
-    <p id="subtext">或点击下面的<strong>按钮</strong>，跳转到新的站点</p>
-    <p id="subtext">新网页请及时<strong>保存收藏</strong></p>
-    <p class="countdown">页面将在 <strong><span id="count">5</span></strong> 秒后自动跳转。</p>
-    <a id="cta" class="btn" href="https://ai.hubtoday.app/">前往AI资讯日报</a>
-  </main>
-
-  <script>
-   (function(){
-      // 倒计时秒数（可修改）
-      var seconds = 5;
-
-      var countEl = document.getElementById('count');
-      var cta = document.getElementById('cta');
-      var timerId = null;
-
-      // 更新显示并处理跳转
-      function startCountdown(){
-        if(!countEl || !cta) return;
-        countEl.textContent = String(seconds);
-
-        timerId = setInterval(function(){
-          seconds -= 1;
-          if(seconds <= 0){
-            clearInterval(timerId);
-            // 使用按钮上的 href 进行跳转（保留 target/rel 的行为）
-            var href = cta.getAttribute('href') || '';
-            if(!href) return;
-            // 如果按钮设置了 target="_blank"，用 window.open 否则用 location.href
-            var target = cta.getAttribute('target');
-            if(target === '_blank'){
-              window.open(href, '_blank', 'noopener');
-            } else {
-              window.location.href = href;
-            }
-          } else {
-            countEl.textContent = String(seconds);
-          }
-        }, 1000);
-      }
-
-      // 点击按钮时立即跳转并停止倒计时
-      cta.addEventListener('click', function(){
-        if(timerId) clearInterval(timerId);
-      });
-
-      // 页面可见时开始倒计时（如果用户切换标签页，倒计时会在返回后继续）
-      document.addEventListener('visibilitychange', function(){
-        if(document.visibilityState === 'visible' && timerId === null){
-          // 如果倒计时未开始（timerId 为 null 且 seconds > 0）则开始
-          if(seconds > 0) startCountdown();
-        }
-      });
-
-      // 立即开始
-      startCountdown();
-    })();
-  </script>
-</body>
-</html>
