diff --git a/static/favicon.ico b/static/favicon.ico
new file mode 100644
index 0000000..4934a9f
Binary files /dev/null and b/static/favicon.ico differ
diff --git a/static/favicon.png b/static/favicon.png
new file mode 100644
index 0000000..d21f181
Binary files /dev/null and b/static/favicon.png differ
diff --git a/static/index.html b/static/index.html
index 27ea49f..a53a563 100644
--- a/static/index.html
+++ b/static/index.html
@@ -4,12 +4,17 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>LLM 论文图书馆</title>
+<link rel="icon" type="image/png" href="/favicon.png">
+<link rel="shortcut icon" href="/favicon.ico">
 <link rel="stylesheet" href="/style.css">
 </head>
 <body>
 
 <div class="header">
-  <h1>🧠 LLM 论文图书馆</h1>
+  <a href="https://spdis.space" class="home-link" title="返回主站 spdis.space">
+    <img src="/favicon.png" alt="" class="header-icon">
+    <h1>🧠 LLM 论文图书馆</h1>
+  </a>
 </div>
 
 <div class="search-wrap">
@@ -29,6 +34,10 @@
   </div>
 </div>
 
+<footer class="site-footer">
+  <span>本站由 <strong>DeepSeek-V4-Pro</strong> 每周五自动更新并维护</span>
+</footer>
+
 <script>
 /**
  * LLM 论文图书馆 — 前端 JS
diff --git a/static/index_template.html b/static/index_template.html
index e7132a2..826a398 100644
--- a/static/index_template.html
+++ b/static/index_template.html
@@ -4,12 +4,17 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>LLM 论文图书馆</title>
+<link rel="icon" type="image/png" href="/favicon.png">
+<link rel="shortcut icon" href="/favicon.ico">
 <link rel="stylesheet" href="/style.css">
 </head>
 <body>
 
 <div class="header">
-  <h1>🧠 LLM 论文图书馆</h1>
+  <a href="https://spdis.space" class="home-link" title="返回主站 spdis.space">
+    <img src="/favicon.png" alt="" class="header-icon">
+    <h1>🧠 LLM 论文图书馆</h1>
+  </a>
 </div>
 
 <div class="search-wrap">
@@ -29,6 +34,10 @@
   </div>
 </div>
 
+<footer class="site-footer">
+  <span>本站由 <strong>DeepSeek-V4-Pro</strong> 每周五自动更新并维护</span>
+</footer>
+
 <script src="/app.js"></script>
 </body>
 </html>
diff --git a/static/style.css b/static/style.css
index aa3732b..727a0a9 100644
--- a/static/style.css
+++ b/static/style.css
@@ -27,6 +27,8 @@ body {
 }
 
 .header { text-align: center; margin-bottom: 32px; }
+.header .home-link { text-decoration: none; color: inherit; display: inline-flex; align-items: center; gap: 10px; }
+.header .header-icon { width: 32px; height: 32px; border-radius: 6px; }
 .header h1 {
   font-size: 1.5em;
   background: linear-gradient(135deg, var(--blue), var(--purple), var(--pink));
@@ -292,6 +294,17 @@ body {
   padding-right: 4px;
   border-radius: 0 4px 4px 0;
 }
+
+/* Footer */
+.site-footer {
+  text-align: center;
+  padding: 24px 16px 8px;
+  color: var(--text-dim);
+  font-size: 0.8em;
+  border-top: 1px solid var(--border);
+  margin-top: 40px;
+}
+.site-footer strong { color: var(--cyan); }
 .trans-en, .trans-zh {
   font-size: 0.82em; line-height: 1.65;
 }
@@ -311,3 +324,14 @@ body {
   padding-right: 4px;
   border-radius: 0 4px 4px 0;
 }
+
+/* Footer */
+.site-footer {
+  text-align: center;
+  padding: 24px 16px 8px;
+  color: var(--text-dim);
+  font-size: 0.8em;
+  border-top: 1px solid var(--border);
+  margin-top: 40px;
+}
+.site-footer strong { color: var(--cyan); }
