diff --git a/desktop/app.js b/desktop/app.js
index 00b40c2..2eac8d4 100644
--- a/desktop/app.js
+++ b/desktop/app.js
@@ -54,6 +54,29 @@ function getStatusLabel() {
   return messages.trayServiceStopped;
 }
 
+function getTrayIcon() {
+  if (process.platform === 'darwin') {
+    const iconPath16 = path.join(__dirname, '..', 'images', 'icons', 'icon@16px.png');
+    const iconPath32 = path.join(__dirname, '..', 'images', 'icons', 'icon@32px.png');
+    const icon = nativeImage.createFromPath(iconPath16);
+    if (fsSync.existsSync(iconPath32)) {
+      const icon2x = nativeImage.createFromPath(iconPath32);
+      icon.addRepresentation({
+        scaleFactor: 2,
+        width: 32,
+        height: 32,
+        buffer: icon2x.toPNG()
+      });
+    }
+    icon.setTemplateImage(true);
+    return icon;
+  }
+  const scaleFactor = screen.getPrimaryDisplay().scaleFactor || 1;
+  const size = scaleFactor >= 1.25 ? 32 : 16;
+  const iconPath = path.join(__dirname, '..', 'images', 'icons', `icon@${size}px.png`);
+  return nativeImage.createFromPath(iconPath);
+}
+
 function updateTray() {
   if (!tray) return;
   updateTrayMenu({
@@ -256,8 +279,7 @@ export async function startDesktop() {
   createSettingsWindow({ url: loadingUrl, preload: preloadPath, parent: mainWindow });
   mainWindow.once('ready-to-show', () => mainWindow.show());
 
-  const iconPath = path.join(__dirname, '..', 'images', 'icons', 'icon@16px.png');
-  const trayIcon = nativeImage.createFromPath(iconPath);
+  const trayIcon = getTrayIcon();
   tray = createTray({
     icon: trayIcon,
     tooltip: messages.appName,
diff --git a/images/icon.png b/images/icon.png
index c36dcd9..b921bc5 100644
Binary files a/images/icon.png and b/images/icon.png differ
diff --git a/images/icon.svg b/images/icon.svg
new file mode 100644
index 0000000..371eb2b
--- /dev/null
+++ b/images/icon.svg
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="512"
+   height="512"
+   viewBox="0 0 512 512"
+   version="1.1"
+   id="svg1"
+   xml:space="preserve"
+   inkscape:version="1.4.3 (0d15f75, 2025-12-25)"
+   sodipodi:docname="icon.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="1.2125776"
+     inkscape:cx="256.06609"
+     inkscape:cy="256.47843"
+     inkscape:window-width="1920"
+     inkscape:window-height="1027"
+     inkscape:window-x="0"
+     inkscape:window-y="25"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" /><defs
+     id="defs1" /><g
+     inkscape:label="图层 1"
+     inkscape:groupmode="layer"
+     id="layer1"><text
+       xml:space="preserve"
+       style="font-size:374.772px;text-align:center;letter-spacing:-57.2531px;writing-mode:lr-tb;direction:ltr;text-anchor:middle;fill:#000000;stroke-width:1.69325"
+       x="245.0603"
+       y="381.00632"
+       id="text1"
+       transform="scale(0.97940478,1.0210283)"><tspan
+         sodipodi:role="line"
+         id="tspan1"
+         x="216.43375"
+         y="381.00632"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:374.772px;font-family:'Comic Sans MS';-inkscape-font-specification:'Comic Sans MS';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;letter-spacing:-57.2531px;stroke-width:1.69325"
+         dx="0">MT</tspan></text></g></svg>
diff --git a/images/icons/icon@1024px.png b/images/icons/icon@1024px.png
index 253015d..28be9ec 100644
Binary files a/images/icons/icon@1024px.png and b/images/icons/icon@1024px.png differ
diff --git a/images/icons/icon@128px.png b/images/icons/icon@128px.png
index af45c72..e7343c7 100644
Binary files a/images/icons/icon@128px.png and b/images/icons/icon@128px.png differ
diff --git a/images/icons/icon@16px.png b/images/icons/icon@16px.png
index dca6c9f..e48b821 100644
Binary files a/images/icons/icon@16px.png and b/images/icons/icon@16px.png differ
diff --git a/images/icons/icon@180px.png b/images/icons/icon@180px.png
index 401f3ba..f6b5c90 100644
Binary files a/images/icons/icon@180px.png and b/images/icons/icon@180px.png differ
diff --git a/images/icons/icon@192px.png b/images/icons/icon@192px.png
index 212c89f..ff682f0 100644
Binary files a/images/icons/icon@192px.png and b/images/icons/icon@192px.png differ
diff --git a/images/icons/icon@2048px.png b/images/icons/icon@2048px.png
index dc3a69b..124b6ba 100644
Binary files a/images/icons/icon@2048px.png and b/images/icons/icon@2048px.png differ
diff --git a/images/icons/icon@24px.png b/images/icons/icon@24px.png
index b1b2ee7..8cf5e82 100644
Binary files a/images/icons/icon@24px.png and b/images/icons/icon@24px.png differ
diff --git a/images/icons/icon@256px.png b/images/icons/icon@256px.png
index a2d1c32..1bac145 100644
Binary files a/images/icons/icon@256px.png and b/images/icons/icon@256px.png differ
diff --git a/images/icons/icon@32px.png b/images/icons/icon@32px.png
index 61268c9..966278b 100644
Binary files a/images/icons/icon@32px.png and b/images/icons/icon@32px.png differ
diff --git a/images/icons/icon@48px.png b/images/icons/icon@48px.png
index aab88cc..e53b6f3 100644
Binary files a/images/icons/icon@48px.png and b/images/icons/icon@48px.png differ
diff --git a/images/icons/icon@512px.png b/images/icons/icon@512px.png
index c36dcd9..ee3cb7f 100644
Binary files a/images/icons/icon@512px.png and b/images/icons/icon@512px.png differ
diff --git a/images/icons/icon@64px.png b/images/icons/icon@64px.png
index 34129a9..83cdb1b 100644
Binary files a/images/icons/icon@64px.png and b/images/icons/icon@64px.png differ
diff --git a/images/lines.png b/images/lines.png
deleted file mode 100644
index cab280d..0000000
Binary files a/images/lines.png and /dev/null differ
diff --git a/scripts/electron-build.ts b/scripts/electron-build.ts
index 2d5e407..5c30297 100644
--- a/scripts/electron-build.ts
+++ b/scripts/electron-build.ts
@@ -76,7 +76,7 @@ async function repackAsar(unpackedDir: string) {
   if (fs.existsSync(asarUnpackDir)) {
     fs.rmSync(asarUnpackDir, { recursive: true })
   }
-  await run('npx', ['@electron/asar', 'pack', appDir, asarFile])
+  await run('npx', ['--yes', '@electron/asar', 'pack', appDir, asarFile])
   fs.rmSync(appDir, { recursive: true })
 }
 
diff --git a/ui/public/icon.png b/ui/public/icon.png
index c36dcd9..b921bc5 100644
Binary files a/ui/public/icon.png and b/ui/public/icon.png differ