diff --git a/electron/main.ts b/electron/main.ts
index 46b96a9..7996fed 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -258,7 +258,9 @@ function createWindow(options: { autoShow?: boolean } = {}) {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   const win = new BrowserWindow({
     width: 1400,
@@ -381,7 +383,9 @@ function createAgreementWindow() {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   const isDark = nativeTheme.shouldUseDarkColors
 
@@ -431,7 +435,9 @@ function createSplashWindow(): BrowserWindow {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   splashWindow = new BrowserWindow({
     width: 760,
@@ -502,7 +508,9 @@ function createOnboardingWindow() {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   onboardingWindow = new BrowserWindow({
     width: 960,
@@ -548,7 +556,9 @@ function createVideoPlayerWindow(videoPath: string, videoWidth?: number, videoHe
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   // 获取屏幕尺寸
   const { screen } = require('electron')
@@ -646,7 +656,9 @@ function createImageViewerWindow(imagePath: string, liveVideoPath?: string) {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   const win = new BrowserWindow({
     width: 900,
@@ -704,7 +716,9 @@ function createChatHistoryWindow(sessionId: string, messageId: number) {
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   // 根据系统主题设置窗口背景色
   const isDark = nativeTheme.shouldUseDarkColors
@@ -779,7 +793,9 @@ function createSessionChatWindow(sessionId: string, options?: OpenSessionChatWin
   const isDev = !!process.env.VITE_DEV_SERVER_URL
   const iconPath = isDev
     ? join(__dirname, '../public/icon.ico')
-    : join(process.resourcesPath, 'icon.ico')
+    : (process.platform === 'darwin' 
+        ? join(process.resourcesPath, 'icon.icns')
+        : join(process.resourcesPath, 'icon.ico'))
 
   const isDark = nativeTheme.shouldUseDarkColors
 
diff --git a/electron/services/keyServiceMac.ts b/electron/services/keyServiceMac.ts
index 006e7cf..e612b8c 100644
--- a/electron/services/keyServiceMac.ts
+++ b/electron/services/keyServiceMac.ts
@@ -178,14 +178,14 @@ export class KeyServiceMac {
     try {
       // 优先使用 pgrep，避免 ps 的 comm 列被截断导致识别失败
       try {
-        const { stdout } = await execFileAsync('pgrep', ['-x', 'WeChat'])
+        const { stdout } = await execFileAsync('/usr/bin/pgrep', ['-x', 'WeChat'])
         const ids = stdout.split(/\r?\n/).map(s => parseInt(s.trim(), 10)).filter(n => Number.isFinite(n) && n > 0)
         if (ids.length > 0) return Math.max(...ids)
       } catch {
         // ignore and fallback to ps
       }
 
-      const { stdout } = await execFileAsync('ps', ['-A', '-o', 'pid,comm,command'])
+      const { stdout } = await execFileAsync('/bin/ps', ['-A', '-o', 'pid,comm,command'])
       const lines = stdout.split('\n').slice(1)
 
       const candidates: Array<{ pid: number; command: string }> = []
@@ -231,7 +231,7 @@ export class KeyServiceMac {
     const pid = await this.getWeChatPid()
     onStatus?.(`已找到微信进程 PID=${pid}，正在定位目标函数...`, 0)
     // 最佳努力清理同路径残留 helper（普通权限）
-    try { await execFileAsync('pkill', ['-f', helperPath], { timeout: 2000 }) } catch { }
+    try { await execFileAsync('/usr/bin/pkill', ['-f', helperPath], { timeout: 2000 }) } catch { }
     
     return await new Promise<string>((resolve, reject) => {
       // xkey_helper 参数协议：helper <pid> [timeout_ms]
diff --git a/package.json b/package.json
index 99b2c94..c3bce01 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,8 @@
       "hardenedRuntime": false,
       "gatekeeperAssess": false,
       "entitlements": "electron/entitlements.mac.plist",
-      "entitlementsInherit": "electron/entitlements.mac.plist"
+      "entitlementsInherit": "electron/entitlements.mac.plist",
+      "icon": "resources/icon.icns"
     },
     "win": {
       "target": [
@@ -120,6 +121,10 @@
       {
         "from": "electron/assets/wasm/",
         "to": "assets/wasm/"
+      },
+      {
+        "from": "resources/icon.icns",
+        "to": "icon.icns"
       }
     ],
     "files": [
@@ -150,6 +155,7 @@
         "from": "resources/vcruntime140_1.dll",
         "to": "."
       }
-    ]
+    ],
+    "icon": "resources/icon.icns"
   }
 }
diff --git a/resources/icon.icns b/resources/icon.icns
new file mode 100644
index 0000000..70df606
Binary files /dev/null and b/resources/icon.icns differ