diff --git a/public/favicon.ico b/public/favicon.ico
deleted file mode 100644
index 09e8842..0000000
Binary files a/public/favicon.ico and /dev/null differ
diff --git a/public/index.html b/public/index.html
index 1214c48..ce5110b 100644
--- a/public/index.html
+++ b/public/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" href="./favicon.ico" />
+    <link rel="icon" type="image/svg+xml" href="./logo.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>博客管理后台</title>
   </head>
diff --git a/public/logo.svg b/public/logo.svg
new file mode 100644
index 0000000..4f5933d
--- /dev/null
+++ b/public/logo.svg
@@ -0,0 +1,70 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <defs>
+    <!-- 主渐变：深紫到亮紫 -->
+    <linearGradient id="bookGradient" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#7c3aed;stop-opacity:1" />
+      <stop offset="50%" style="stop-color:#a855f7;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#c084fc;stop-opacity:1" />
+    </linearGradient>
+
+    <!-- 阴影渐变 -->
+    <linearGradient id="shadowGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" style="stop-color:#000000;stop-opacity:0.2" />
+      <stop offset="100%" style="stop-color:#000000;stop-opacity:0" />
+    </linearGradient>
+
+    <!-- 内页渐变 -->
+    <linearGradient id="pageGradient" x1="0%" y1="0%" x2="100%" y2="0%">
+      <stop offset="0%" style="stop-color:#f3e8ff;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#e9d5ff;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+
+  <!-- 背景圆形 -->
+  <circle cx="256" cy="256" r="240" fill="url(#bookGradient)"/>
+
+  <!-- 书本主体阴影 -->
+  <ellipse cx="256" cy="420" rx="140" ry="20" fill="url(#shadowGradient)"/>
+
+  <!-- 书本下半部分（封面） -->
+  <path d="M126 180 L256 220 L386 180 L386 380 Q256 410 126 380 Z"
+        fill="#6d28d9"/>
+
+  <!-- 书本左页 -->
+  <path d="M126 180 Q191 160 256 180 L256 380 Q191 360 126 380 Z"
+        fill="url(#pageGradient)"/>
+
+  <!-- 书本右页 -->
+  <path d="M256 180 Q321 160 386 180 L386 380 Q321 360 256 380 Z"
+        fill="url(#pageGradient)"/>
+
+  <!-- 书脊/中缝 -->
+  <path d="M246 175 L266 175 L266 385 L246 385 Z"
+        fill="#a855f7" opacity="0.8"/>
+
+  <!-- 书页折痕（左） -->
+  <path d="M136 200 Q191 185 246 200"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.6"/>
+  <path d="M136 240 Q191 225 246 240"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.4"/>
+  <path d="M136 280 Q191 265 246 280"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.3"/>
+
+  <!-- 书页折痕（右） -->
+  <path d="M266 200 Q321 185 376 200"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.6"/>
+  <path d="M266 240 Q321 225 376 240"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.4"/>
+  <path d="M266 280 Q321 265 376 280"
+        stroke="#c084fc" stroke-width="2" fill="none" opacity="0.3"/>
+
+  <!-- 书本高光 -->
+  <ellipse cx="200" cy="220" rx="30" ry="15"
+           fill="#ffffff" opacity="0.3" transform="rotate(-20 200 220)"/>
+  <ellipse cx="312" cy="220" rx="30" ry="15"
+           fill="#ffffff" opacity="0.3" transform="rotate(20 312 220)"/>
+
+  <!-- 装饰性书签 -->
+  <path d="M290 140 L290 220 L300 210 L310 220 L310 140 Z"
+        fill="#fbbf24" opacity="0.9"/>
+</svg>
