diff --git a/public/404.html b/public/404.html
deleted file mode 100644
index 8a32c09..0000000
--- a/public/404.html
+++ /dev/null
@@ -1,66 +0,0 @@
-<!doctype html>
-<html lang="zh-CN">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <title>404 - 页面未找到</title>
-    <meta name="robots" content="noindex" />
-    <style>
-      :root { color-scheme: light dark; }
-      html, body { height: 100%; }
-      body {
-        margin: 0; display: grid; place-items: center; font: 14px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
-        background: linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.05));
-      }
-      .card {
-        width: min(560px, 92vw);
-        border: 1px solid rgba(125,125,125,.25);
-        border-radius: 14px;
-        background: rgba(255,255,255,.7);
-        -webkit-backdrop-filter: blur(6px);
-        backdrop-filter: blur(6px);
-        padding: 24px;
-        box-shadow: 0 10px 25px rgba(0,0,0,.08);
-        color: #1f2937;
-      }
-      .row { display:flex; justify-content:center; align-items:center; gap:10px; }
-      @media (prefers-color-scheme: dark) {
-        .card { background: rgba(24,24,27,.6); color: #e5e7eb; border-color: rgba(255,255,255,.12); }
-      }
-      .title { font-size: 22px; font-weight: 700; margin: 8px 0 4px; }
-      .desc { color: #6b7280; margin: 0 0 8px; }
-      .hint { font-size: 12px; color: #9ca3af; text-align: center; margin-top: 10px; }
-      .actions { display: flex; justify-content: center; gap: 10px; margin-top: 16px; }
-      .btn {
-        appearance: none; border: 1px solid rgba(125,125,125,.35); background: rgba(255,255,255,.9);
-        color: #111827; padding: 10px 16px; border-radius: 8px; cursor: pointer; font-weight: 600;
-      }
-      .btn.primary { background: #111827; color: white; border-color: #111827; }
-      .btn:active { transform: translateY(1px); }
-      @media (prefers-color-scheme: dark) {
-        .btn { background: rgba(63,63,70,.8); color: #e5e7eb; border-color: rgba(255,255,255,.14); }
-        .btn.primary { background: #3b82f6; border-color: #3b82f6; }
-      }
-    </style>
-  </head>
-  <body>
-    <main class="card">
-  <div class="row">
-        <svg width="36" height="36" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" x2="12" y1="8" y2="12"></line><line x1="12" x2="12.01" y1="16" y2="16"></line></svg>
-        <div>
-          <div class="title">页面未找到</div>
-          <div class="desc">即将为您跳转到首页。如果未跳转，请使用下面的按钮。</div>
-        </div>
-      </div>
-      <div class="actions">
-        <button class="btn primary" onclick="location.assign('/')">返回首页</button>
-        <button class="btn" onclick="history.length>1?history.back():location.assign('/')">返回上一页</button>
-      </div>
-      <p class="hint">错误代码：404</p>
-    </main>
-    <script>
-      // 对于静态托管（如 GitHub Pages、Vercel 静态导出），尝试回退到 SPA 入口
-      setTimeout(function(){location.replace('/')}, 1500)
-    </script>
-  </body>
-</html>
