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diff --git a/src-tauri/icons/128x128@2x.png b/src-tauri/icons/128x128@2x.png
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diff --git a/src-tauri/icons/32x32.png b/src-tauri/icons/32x32.png
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diff --git a/src-tauri/icons/64x64.png b/src-tauri/icons/64x64.png
new file mode 100644
index 0000000..e2683f5
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diff --git a/src-tauri/icons/Square107x107Logo.png b/src-tauri/icons/Square107x107Logo.png
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diff --git a/src-tauri/icons/Square142x142Logo.png b/src-tauri/icons/Square142x142Logo.png
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diff --git a/src-tauri/icons/Square150x150Logo.png b/src-tauri/icons/Square150x150Logo.png
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diff --git a/src-tauri/icons/Square284x284Logo.png b/src-tauri/icons/Square284x284Logo.png
index c021d2b..f844204 100644
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diff --git a/src-tauri/icons/Square30x30Logo.png b/src-tauri/icons/Square30x30Logo.png
index 6219700..a19fb87 100644
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diff --git a/src-tauri/icons/Square310x310Logo.png b/src-tauri/icons/Square310x310Logo.png
index f9bc048..1aef9d6 100644
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diff --git a/src-tauri/icons/Square44x44Logo.png b/src-tauri/icons/Square44x44Logo.png
index d5fbfb2..04392a1 100644
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diff --git a/src-tauri/icons/Square71x71Logo.png b/src-tauri/icons/Square71x71Logo.png
index 63440d7..430d25b 100644
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diff --git a/src-tauri/icons/Square89x89Logo.png b/src-tauri/icons/Square89x89Logo.png
index f3f705a..7f3883c 100644
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diff --git a/src-tauri/icons/StoreLogo.png b/src-tauri/icons/StoreLogo.png
index 4556388..a883c03 100644
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diff --git a/src-tauri/icons/icon.icns b/src-tauri/icons/icon.icns
index 12a5bce..3c2322b 100644
Binary files a/src-tauri/icons/icon.icns and b/src-tauri/icons/icon.icns differ
diff --git a/src-tauri/icons/icon.ico b/src-tauri/icons/icon.ico
index b3636e4..fd1c0de 100644
Binary files a/src-tauri/icons/icon.ico and b/src-tauri/icons/icon.ico differ
diff --git a/src-tauri/icons/icon.png b/src-tauri/icons/icon.png
index e1cd261..9dd09ae 100644
Binary files a/src-tauri/icons/icon.png and b/src-tauri/icons/icon.png differ
diff --git a/src-tauri/icons/icon.svg b/src-tauri/icons/icon.svg
new file mode 100644
index 0000000..5dbdaea
--- /dev/null
+++ b/src-tauri/icons/icon.svg
@@ -0,0 +1,40 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <defs>
+    <!-- 代码符号渐变 -->
+    <linearGradient id="code" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#e0e7ff"/>
+      <stop offset="100%" style="stop-color:#c7d2fe"/>
+    </linearGradient>
+    <!-- 色料三元色 -->
+    <linearGradient id="bubble1" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#ff4081"/>
+      <stop offset="100%" style="stop-color:#e91e63"/>
+    </linearGradient>
+    <linearGradient id="bubble2" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#ffeb3b"/>
+      <stop offset="100%" style="stop-color:#fdd835"/>
+    </linearGradient>
+    <linearGradient id="bubble3" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#29b6f6"/>
+      <stop offset="100%" style="stop-color:#03a9f4"/>
+    </linearGradient>
+  </defs>
+
+  <!-- 圆角矩形背景 -->
+  <rect x="16" y="16" width="480" height="480" rx="96" ry="96" fill="#1a1a2e"/>
+
+  <!-- 代码尖括号 < > -->
+  <polyline points="190,180 120,240 190,300"
+    fill="none" stroke="url(#code)" stroke-width="32" stroke-linecap="round" stroke-linejoin="round"/>
+  <polyline points="322,180 392,240 322,300"
+    fill="none" stroke="url(#code)" stroke-width="32" stroke-linecap="round" stroke-linejoin="round"/>
+
+  <!-- 中间斜杠 / -->
+  <line x1="280" y1="160" x2="232" y2="320"
+    stroke="url(#code)" stroke-width="28" stroke-linecap="round" opacity="0.7"/>
+
+  <!-- 底部三个圆点 -->
+  <circle cx="176" cy="396" r="28" fill="url(#bubble1)" opacity="0.95"/>
+  <circle cx="256" cy="396" r="28" fill="url(#bubble2)" opacity="0.95"/>
+  <circle cx="336" cy="396" r="28" fill="url(#bubble3)" opacity="0.95"/>
+</svg>
diff --git a/src/components/app-icon.tsx b/src/components/app-icon.tsx
new file mode 100644
index 0000000..0066acf
--- /dev/null
+++ b/src/components/app-icon.tsx
@@ -0,0 +1,66 @@
+export function AppIcon({ className }: { className?: string }) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 512 512"
+      className={className}
+    >
+      <defs>
+        <linearGradient id="ai-code" x1="0%" y1="0%" x2="100%" y2="100%">
+          <stop offset="0%" stopColor="#e0e7ff" />
+          <stop offset="100%" stopColor="#c7d2fe" />
+        </linearGradient>
+        <linearGradient id="ai-b1" x1="0%" y1="0%" x2="100%" y2="100%">
+          <stop offset="0%" stopColor="#ff4081" />
+          <stop offset="100%" stopColor="#e91e63" />
+        </linearGradient>
+        <linearGradient id="ai-b2" x1="0%" y1="0%" x2="100%" y2="100%">
+          <stop offset="0%" stopColor="#ffeb3b" />
+          <stop offset="100%" stopColor="#fdd835" />
+        </linearGradient>
+        <linearGradient id="ai-b3" x1="0%" y1="0%" x2="100%" y2="100%">
+          <stop offset="0%" stopColor="#29b6f6" />
+          <stop offset="100%" stopColor="#03a9f4" />
+        </linearGradient>
+      </defs>
+      <rect
+        x="16"
+        y="16"
+        width="480"
+        height="480"
+        rx="96"
+        ry="96"
+        fill="#1a1a2e"
+      />
+      <polyline
+        points="190,180 120,240 190,300"
+        fill="none"
+        stroke="url(#ai-code)"
+        strokeWidth="32"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <polyline
+        points="322,180 392,240 322,300"
+        fill="none"
+        stroke="url(#ai-code)"
+        strokeWidth="32"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <line
+        x1="280"
+        y1="160"
+        x2="232"
+        y2="320"
+        stroke="url(#ai-code)"
+        strokeWidth="28"
+        strokeLinecap="round"
+        opacity="0.7"
+      />
+      <circle cx="176" cy="396" r="28" fill="url(#ai-b1)" opacity="0.95" />
+      <circle cx="256" cy="396" r="28" fill="url(#ai-b2)" opacity="0.95" />
+      <circle cx="336" cy="396" r="28" fill="url(#ai-b3)" opacity="0.95" />
+    </svg>
+  )
+}
diff --git a/src/components/welcome/software-info.tsx b/src/components/welcome/software-info.tsx
index 949737e..0b72f49 100644
--- a/src/components/welcome/software-info.tsx
+++ b/src/components/welcome/software-info.tsx
@@ -1,7 +1,7 @@
 "use client"
 
 import { useEffect, useState } from "react"
-import { MessageCircleCode } from "lucide-react"
+import { AppIcon } from "@/components/app-icon"
 import { useTranslations } from "next-intl"
 import { getCurrentAppVersion } from "@/lib/updater"
 
@@ -18,8 +18,8 @@ export function SoftwareInfo() {
   }, [])
 
   return (
-    <div className="w-full flex gap-4 px-6 py-8">
-      <MessageCircleCode className="size-12" />
+    <div className="w-full flex items-center gap-4 px-6 py-8">
+      <AppIcon className="size-12" />
       <div className="flex flex-col">
         <span className="text-base">Codeg</span>
         <span className="text-sm text-muted-foreground">