diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bedae71..5002458 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -212,6 +212,12 @@ jobs:
           else
             echo "警告: CSC_KEY_PASSWORD 未设置"
           fi
+          
+          echo "可用的代码签名证书:"
+          security find-identity -v -p codesigning
+          
+          echo "可用的安装器签名证书:"
+          security find-identity -v -p basic
       - name: Build
         timeout-minutes: 60
         env:
@@ -222,6 +228,7 @@ jobs:
           APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
           CSC_LINK: ${{ secrets.CSC_LINK }}
           CSC_KEY_PASSWORD: ${{ secrets.CSC_KEY_PASSWORD }}
+          CSC_NAME: "Developer ID Application: Prometheus Advertising Corp (489PDK5LP3)"
           DEBUG: "electron-builder"
           CSC_IDENTITY_AUTO_DISCOVERY: "false"
         run: |
@@ -356,6 +363,28 @@ jobs:
           pnpm add @mihomo-party/sysproxy-darwin-${{ matrix.arch }}
           pnpm add -D electron@32.2.2
           pnpm prepare --${{ matrix.arch }}
+      - name: Verify Code Signing Certificate
+        env:
+          CSC_LINK: ${{ secrets.CSC_LINK }}
+          CSC_KEY_PASSWORD: ${{ secrets.CSC_KEY_PASSWORD }}
+        run: |
+          echo "验证代码签名证书..."
+          if [ -n "$CSC_LINK" ]; then
+            echo "CSC_LINK 已设置"
+          else
+            echo "警告: CSC_LINK 未设置"
+          fi
+          if [ -n "$CSC_KEY_PASSWORD" ]; then
+            echo "CSC_KEY_PASSWORD 已设置"
+          else
+            echo "警告: CSC_KEY_PASSWORD 未设置"
+          fi
+          
+          echo "可用的代码签名证书:"
+          security find-identity -v -p codesigning
+          
+          echo "可用的安装器签名证书:"
+          security find-identity -v -p basic
       - name: Build
         timeout-minutes: 60
         env:
@@ -366,6 +395,7 @@ jobs:
           APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
           CSC_LINK: ${{ secrets.CSC_LINK }}
           CSC_KEY_PASSWORD: ${{ secrets.CSC_KEY_PASSWORD }}
+          CSC_NAME: "Developer ID Application: Prometheus Advertising Corp (489PDK5LP3)"
           DEBUG: "electron-builder"
           CSC_IDENTITY_AUTO_DISCOVERY: "false"
         run: |
diff --git a/build/entitlements.mac.child.plist b/build/entitlements.mac.child.plist
new file mode 100644
index 0000000..025129b
--- /dev/null
+++ b/build/entitlements.mac.child.plist
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>com.apple.security.cs.allow-jit</key>
+    <true/>
+    <key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+    <true/>
+    <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+    <true/>
+    <key>com.apple.security.cs.disable-library-validation</key>
+    <true/>
+  </dict>
+</plist> 
\ No newline at end of file
diff --git a/build/notarize.js b/build/notarize.js
new file mode 100644
index 0000000..65c6c19
--- /dev/null
+++ b/build/notarize.js
@@ -0,0 +1,127 @@
+const { execSync } = require('child_process');
+const path = require('path');
+const fs = require('fs');
+
+exports.default = async function(context) {
+  const { electronPlatformName, appOutDir } = context;
+  
+  if (electronPlatformName !== 'darwin') {
+    return;
+  }
+
+  const appName = context.packager.appInfo.productFilename;
+  const appPath = path.join(appOutDir, `${appName}.app`);
+  
+  console.log('开始重新签名 Electron 辅助进程...');
+  
+  // 签名配置
+  const identity = process.env.CSC_NAME || 'Developer ID Application';
+  const entitlementsPath = path.join(__dirname, 'entitlements.mac.plist');
+  const childEntitlementsPath = path.join(__dirname, 'entitlements.mac.child.plist');
+  
+  // 需要重新签名的框架和二进制文件（使用child entitlements）
+  const frameworksToSign = [
+    'Contents/Frameworks/Electron Framework.framework/Versions/A/Helpers/chrome_crashpad_handler',
+    'Contents/Frameworks/Electron Framework.framework/Versions/A/Electron Framework',
+    'Contents/Frameworks/Electron Framework.framework'
+  ];
+  
+  // Helper应用（使用child entitlements）
+  const helpersToSign = [
+    `Contents/Frameworks/${appName} Helper.app`,
+    `Contents/Frameworks/${appName} Helper (GPU).app`,
+    `Contents/Frameworks/${appName} Helper (Plugin).app`,
+    `Contents/Frameworks/${appName} Helper (Renderer).app`
+  ];
+  
+  // 首先签名框架
+  for (const frameworkPath of frameworksToSign) {
+    const fullPath = path.join(appPath, frameworkPath);
+    
+    if (fs.existsSync(fullPath)) {
+      console.log(`签名框架: ${frameworkPath}`);
+      
+      try {
+        const signCommand = [
+          'codesign',
+          '--sign', `"${identity}"`,
+          '--force',
+          '--verbose',
+          '--options', 'runtime',
+          '--timestamp',
+          '--entitlements', `"${childEntitlementsPath}"`,
+          `"${fullPath}"`
+        ].join(' ');
+        
+        execSync(signCommand, { stdio: 'inherit' });
+        console.log(`✓ 成功签名: ${frameworkPath}`);
+        
+      } catch (error) {
+        console.error(`✗ 签名失败: ${frameworkPath}`, error.message);
+        throw error;
+      }
+    }
+  }
+  
+  // 然后签名Helper应用
+  for (const helperPath of helpersToSign) {
+    const fullPath = path.join(appPath, helperPath);
+    
+    if (fs.existsSync(fullPath)) {
+      console.log(`签名Helper: ${helperPath}`);
+      
+      try {
+        const signCommand = [
+          'codesign',
+          '--sign', `"${identity}"`,
+          '--force',
+          '--verbose',
+          '--options', 'runtime',
+          '--timestamp',
+          '--entitlements', `"${childEntitlementsPath}"`,
+          `"${fullPath}"`
+        ].join(' ');
+        
+        execSync(signCommand, { stdio: 'inherit' });
+        console.log(`✓ 成功签名: ${helperPath}`);
+        
+        // 验证签名
+        execSync(`codesign --verify --verbose=2 "${fullPath}"`, { stdio: 'inherit' });
+        
+      } catch (error) {
+        console.error(`✗ 签名失败: ${helperPath}`, error.message);
+        throw error;
+      }
+    } else {
+      console.log(`跳过不存在的Helper: ${helperPath}`);
+    }
+  }
+  
+  // 最后重新签名主应用
+  console.log('重新签名主应用...');
+  try {
+    const mainSignCommand = [
+      'codesign',
+      '--sign', `"${identity}"`,
+      '--force',
+      '--verbose',
+      '--options', 'runtime',
+      '--timestamp',
+      '--entitlements', `"${entitlementsPath}"`,
+      `"${appPath}"`
+    ].join(' ');
+    
+    execSync(mainSignCommand, { stdio: 'inherit' });
+    console.log('✓ 主应用签名成功');
+    
+    // 验证主应用签名
+    execSync(`codesign --verify --verbose=2 "${appPath}"`, { stdio: 'inherit' });
+    execSync(`spctl --assess --verbose --type execute "${appPath}"`, { stdio: 'inherit' });
+    
+  } catch (error) {
+    console.error('✗ 主应用签名失败', error.message);
+    throw error;
+  }
+  
+  console.log('所有组件签名完成!');
+}; 
\ No newline at end of file
diff --git a/electron-builder.yml b/electron-builder.yml
index b51cb00..7f910b0 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -39,8 +39,10 @@ mac:
   target:
     - pkg
   entitlementsInherit: build/entitlements.mac.plist
+  entitlements: build/entitlements.mac.plist
   hardenedRuntime: true
   gatekeeperAssess: false
+  afterSign: build/notarize.js
   extendInfo:
     - NSCameraUsageDescription: Application requests access to the device's camera.
     - NSMicrophoneUsageDescription: Application requests access to the device's microphone.