fix: Logo放到public目录，构建时自动打包

frontend/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
   <meta name="apple-mobile-web-app-capable" content="yes">
-  <title>甲辰收藏 v0.0.0</title>
+  <title>甲辰收藏 v1.2.14</title>
   
   <!-- Favicon -->
   <link rel="icon" type="image/x-icon" href="/static/icons/favicon.ico" />

frontend/src/pages/Home.jsx

@@ -96,7 +96,7 @@ export default function Home() {
         backdropFilter: 'blur(10px)'
       }}>
         <div style={{ display: 'flex', alignItems: 'center', gap: '12px' }}>
-          <img src="/static/images/jiachenlong-logo.png?v=1.2.4" alt="甲辰收藏" style={{ width: '48px', height: '48px', borderRadius: '50%', objectFit: 'cover' }} />
+          <img src="/static/images/jiachenlong-logo.png?v=1.2.14" alt="甲辰收藏" style={{ width: '48px', height: '48px', borderRadius: '50%', objectFit: 'cover' }} />
           <div>
             <div style={{ color: '#fff', fontSize: '18px', fontWeight: '600' }}>{user?.username || '用户'}</div>
             <div style={{ color: 'rgba(255,255,255,0.6)', fontSize: '12px' }}>欢迎回来 👋</div>