diff --git a/docs/public/screenshots/roi-selection.png b/docs/public/screenshots/roi-selection.png
index 8ef0d08..b0e9297 100644
Binary files a/docs/public/screenshots/roi-selection.png and b/docs/public/screenshots/roi-selection.png differ
diff --git a/public/logo.svg b/public/logo.svg
index e4cab73..1c04a38 100644
--- a/public/logo.svg
+++ b/public/logo.svg
@@ -1,71 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" role="img" aria-label="Distill Logo">
-  <title>Distill</title>
-  <desc>Distill - 专业视频硬字幕提取与蒸馏工具 Logo</desc>
-
-  <defs>
-    <!-- 暗黑 Slate 主渐变 -->
-    <linearGradient id="bgGradient" x1="0%" y1="0%" x2="100%" y2="100%">
-      <stop offset="0%" stop-color="#090d16"/>
-      <stop offset="50%" stop-color="#0f172a"/>
-      <stop offset="100%" stop-color="#022c22"/>
-    </linearGradient>
-
-    <!-- Emerald 翡翠高亮渐变 -->
-    <linearGradient id="emeraldGradient" x1="0%" y1="0%" x2="100%" y2="100%">
-      <stop offset="0%" stop-color="#34d399"/>
-      <stop offset="50%" stop-color="#10b981"/>
-      <stop offset="100%" stop-color="#059669"/>
-    </linearGradient>
-
-    <!-- 蒸馏光芒与阴影 -->
-    <filter id="emeraldGlow" x="-50%" y="-50%" width="200%" height="200%">
-      <feGaussianBlur stdDeviation="10" result="blur"/>
-      <feComposite in="SourceGraphic" in2="blur" operator="over"/>
-    </filter>
-
-    <clipPath id="logoClip">
-      <rect x="24" y="24" width="464" height="464" rx="96"/>
-    </clipPath>
-  </defs>
-
-  <!-- 背景：圆角矩形 -->
-  <rect width="512" height="512" rx="128" fill="url(#bgGradient)"/>
-
-  <!-- 高光边框 -->
-  <rect x="8" y="8" width="496" height="496" rx="120" fill="none" stroke="url(#emeraldGradient)" stroke-width="3" opacity="0.3"/>
-
-  <!-- 主蒸馏标志 (Distillation Flask & Subtitle Frame Focus) -->
-  <g transform="translate(256, 200)" filter="url(#emeraldGlow)">
-    <!-- 外层 8 点 ROI 框选句柄框 -->
-    <rect x="-110" y="-90" width="220" height="150" rx="16" fill="none" stroke="url(#emeraldGradient)" stroke-width="6" stroke-dasharray="8 4"/>
-
-    <!-- 4角 ROI 手柄 -->
-    <circle cx="-110" cy="-90" r="8" fill="#34d399"/>
-    <circle cx="110" cy="-90" r="8" fill="#34d399"/>
-    <circle cx="-110" cy="60" r="8" fill="#34d399"/>
-    <circle cx="110" cy="60" r="8" fill="#34d399"/>
-
-    <!-- 蒸馏核心 'D' 图腾 / 字幕文本提取脉冲 -->
-    <path d="M-50,-50 H10 C30,-50 45,-35 45,-10 C45,15 30,30 10,30 H-50 Z" fill="none" stroke="#ffffff" stroke-width="12" stroke-linejoin="round"/>
-    
-    <!-- 文本音轨/字幕线条 -->
-    <rect x="-32" y="-20" width="48" height="8" rx="4" fill="url(#emeraldGradient)"/>
-    <rect x="-32" y="0" width="32" height="6" rx="3" fill="#ffffff" opacity="0.8"/>
-  </g>
-
-  <!-- 底部 Distill 品牌标志 -->
-  <g transform="translate(256, 400)">
-    <text x="0" y="0" text-anchor="middle"
-          font-family="system-ui, -apple-system, 'Inter', sans-serif"
-          font-size="52" font-weight="800" letter-spacing="-1.5"
-          fill="#ffffff">
-      Distill
-    </text>
-    <text x="0" y="32" text-anchor="middle"
-          font-family="system-ui, -apple-system, 'Inter', sans-serif"
-          font-size="14" font-weight="600" letter-spacing="4"
-          fill="#10b981" opacity="0.9">
-      SUBTITLE EXTRACTION ENGINE
-    </text>
-  </g>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" aria-label="Distill Logo" role="img" viewBox="0 0 512 512"><title>Distill</title><desc>Distill - 专业视频硬字幕提取与蒸馏工具 Logo</desc><defs><linearGradient id="bgGradient" x1="0%" x2="100%" y1="0%" y2="100%"><stop offset="0%" stop-color="#090d16"/><stop offset="50%" stop-color="#0f172a"/><stop offset="100%" stop-color="#022c22"/></linearGradient><linearGradient id="emeraldGradient" x1="0%" x2="100%" y1="0%" y2="100%"><stop offset="0%" stop-color="#34d399"/><stop offset="50%" stop-color="#10b981"/><stop offset="100%" stop-color="#059669"/></linearGradient><filter id="emeraldGlow" width="200%" height="200%" x="-50%" y="-50%"><feGaussianBlur result="blur" stdDeviation="10"/><feComposite in="SourceGraphic" in2="blur" operator="over"/></filter><clipPath id="logoClip"><rect width="464" height="464" x="24" y="24" rx="96"/></clipPath></defs><rect width="512" height="512" fill="url(#bgGradient)" rx="128"/><rect width="496" height="496" x="8" y="8" fill="none" stroke="url(#emeraldGradient)" stroke-width="3" opacity=".3" rx="120"/><g filter="url(#emeraldGlow)" transform="translate(256, 200)"><rect width="220" height="150" x="-110" y="-90" fill="none" stroke="url(#emeraldGradient)" stroke-dasharray="8 4" stroke-width="6" rx="16"/><circle cx="-110" cy="-90" r="8" fill="#34d399"/><circle cx="110" cy="-90" r="8" fill="#34d399"/><circle cx="-110" cy="60" r="8" fill="#34d399"/><circle cx="110" cy="60" r="8" fill="#34d399"/><path fill="none" stroke="#fff" stroke-linejoin="round" stroke-width="12" d="M-50,-50 H10 C30,-50 45,-35 45,-10 C45,15 30,30 10,30 H-50 Z"/><rect width="48" height="8" x="-32" y="-20" fill="url(#emeraldGradient)" rx="4"/><rect width="32" height="6" x="-32" y="0" fill="#fff" opacity=".8" rx="3"/></g><g><text x="0" y="0" fill="#fff" font-family="system-ui, -apple-system, 'Inter', sans-serif" font-size="52" font-weight="800" letter-spacing="-1.5" text-anchor="middle" transform="translate(256, 400)">Distill</text><text x="0" y="32" fill="#10b981" font-family="system-ui, -apple-system, 'Inter', sans-serif" font-size="14" font-weight="600" letter-spacing="4" opacity=".9" text-anchor="middle" transform="translate(256, 400)">SUBTITLE EXTRACTION ENGINE</text></g></svg>
\ No newline at end of file
diff --git a/public/screenshots/roi-selection.png b/public/screenshots/roi-selection.png
index 8ef0d08..b0e9297 100644
Binary files a/public/screenshots/roi-selection.png and b/public/screenshots/roi-selection.png differ
diff --git a/src-tauri/icons/128x128.png b/src-tauri/icons/128x128.png
index 1964356..53a5acf 100644
Binary files a/src-tauri/icons/128x128.png and b/src-tauri/icons/128x128.png differ
diff --git a/src-tauri/icons/128x128@2x.png b/src-tauri/icons/128x128@2x.png
index 3a3a5f7..0e3e481 100644
Binary files a/src-tauri/icons/128x128@2x.png and b/src-tauri/icons/128x128@2x.png differ