diff --git a/Makefile b/Makefile
index ad097be..a1bb846 100755
--- a/Makefile
+++ b/Makefile
@@ -188,7 +188,12 @@ linux-release:
 	flutter_distributor package --flutter-build-args=verbose --platform linux --targets deb,rpm,appimage $(DISTRIBUTOR_ARGS)
 
 macos-release:
-	flutter_distributor package --platform macos --targets dmg $(DISTRIBUTOR_ARGS)
+	# 旧方法（已弃用）：使用 flutter_distributor 打包
+	# flutter_distributor package --platform macos --targets dmg $(DISTRIBUTOR_ARGS)
+	# 新方法：使用签名、公证和自定义 DMG 打包脚本
+	@echo "执行签名、公证和 DMG 打包..."
+	flutter build macos --release --target $(TARGET) $(BUILD_ARGS)
+	./scripts/sign_and_notarize.sh
 
 ios-release: #not tested
 	flutter_distributor package --platform ios --targets ipa --build-export-options-plist  ios/exportOptions.plist $(DISTRIBUTOR_ARGS)
diff --git a/scripts/sign_and_notarize.sh b/scripts/sign_and_notarize.sh
index d005499..efc37ff 100755
--- a/scripts/sign_and_notarize.sh
+++ b/scripts/sign_and_notarize.sh
@@ -19,18 +19,35 @@ TEAM_ID="NJRRF427XB"
 # 路径配置
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
-APP_PATH="${PROJECT_DIR}/hi-client/build/macos/Build/Products/Release/HiFastVPN.app"
-ENTITLEMENTS="${PROJECT_DIR}/hi-client/macos/Runner/Release.entitlements"
+APP_PATH="${PROJECT_DIR}/build/macos/Build/Products/Release/HiFastVPN.app"
+ENTITLEMENTS="${PROJECT_DIR}/macos/Runner/Release.entitlements"
 OUTPUT_DIR="${PROJECT_DIR}/dist"
+BACKGROUND_IMAGE="${SCRIPT_DIR}/assets/dmg_bg.png"
 # =====================================================================
 
 echo "╔═══════════════════════════════════════════════════════════════════╗"
 echo "║              HiFastVPN macOS 签名和公证脚本                          ║"
 echo "╚═══════════════════════════════════════════════════════════════════╝"
 echo ""
+
+# 提取版本号
+PUBSPEC_PATH="${PROJECT_DIR}/pubspec.yaml"
+if [ ! -f "${PUBSPEC_PATH}" ]; then
+    echo "❌ 错误: 找不到 pubspec.yaml"
+    exit 1
+fi
+
+VERSION=$(grep "^version:" "${PUBSPEC_PATH}" | sed 's/version: *//' | tr -d ' ')
+if [ -z "${VERSION}" ]; then
+    echo "❌ 错误: 无法提取版本号"
+    exit 1
+fi
+
+echo "📦 版本号: ${VERSION}"
 echo "📁 项目目录: ${PROJECT_DIR}"
 echo "📦 应用路径: ${APP_PATH}"
 echo "📄 Entitlements: ${ENTITLEMENTS}"
+echo "🖼️  背景图: ${BACKGROUND_IMAGE}"
 echo ""
 
 # 检查 .app 是否存在
@@ -46,6 +63,28 @@ if [ ! -f "${ENTITLEMENTS}" ]; then
     exit 1
 fi
 
+# 检查 create-dmg 是否安装
+if ! command -v create-dmg >/dev/null 2>&1; then
+    echo "❌ 错误: create-dmg 未安装（brew install create-dmg）"
+    exit 1
+fi
+
+# 检查背景图是否存在
+if [ ! -f "${BACKGROUND_IMAGE}" ]; then
+    echo "❌ 错误: 背景图不存在"
+    exit 1
+fi
+
+# 校验背景图尺寸
+BG_INFO=$(sips -g pixelWidth -g pixelHeight "${BACKGROUND_IMAGE}")
+BG_W=$(echo "$BG_INFO" | awk '/pixelWidth/ {print $2}')
+BG_H=$(echo "$BG_INFO" | awk '/pixelHeight/ {print $2}')
+
+if [ "$BG_W" != "1200" ] || [ "$BG_H" != "800" ]; then
+    echo "❌ 背景图必须是 1200x800，当前是 ${BG_W}x${BG_H}"
+    exit 1
+fi
+
 # 创建输出目录
 mkdir -p "${OUTPUT_DIR}"
 
@@ -191,15 +230,46 @@ spctl -a -t execute -vv "${APP_PATH}"
 echo ""
 echo "💿 Step 11: 创建 DMG..."
 
-DMG_PATH="${OUTPUT_DIR}/HiFastVPN.dmg"
+DMG_NAME="HiFastVPN-${VERSION}.dmg"
+DMG_PATH="${OUTPUT_DIR}/${DMG_NAME}"
 rm -f "${DMG_PATH}"
 
-# 使用 hdiutil 创建简单的 DMG
-hdiutil create -volname "HiFastVPN" -srcfolder "${APP_PATH}" -ov -format UDZO "${DMG_PATH}"
+# 创建临时目录并复制 .app
+TEMP_DIR=$(mktemp -d)
+cp -R "${APP_PATH}" "${TEMP_DIR}/"
 
-# 签名 DMG
-# echo "   签名 DMG..."
-# codesign --force --sign "${SIGNING_IDENTITY}" --timestamp "${DMG_PATH}"
+# Finder 坐标计算（左上原点，中心点对齐）
+# 背景：1200 × 800
+# HiFastVPN.app 中心：左 228, 上 418, 尺寸 168×168
+APP_CENTER_X=236
+APP_CENTER_Y=432
+APP_ICON_SIZE=152
+APP_X=$((APP_CENTER_X + APP_ICON_SIZE / 2))
+APP_Y=$((APP_CENTER_Y + APP_ICON_SIZE / 2))
+
+# Applications 图标中心：左 742, 上 372, 尺寸 259×259
+DROP_CENTER_X=742
+DROP_CENTER_Y=372
+DROP_ICON_SIZE=259
+DROP_X=$((DROP_CENTER_X + DROP_ICON_SIZE / 2))
+DROP_Y=$((DROP_CENTER_Y + DROP_ICON_SIZE / 2))
+
+# 使用 create-dmg 创建自定义 DMG
+echo "   创建自定义 DMG..."
+create-dmg \
+  --volname "HiFastVPN Installation" \
+  --background "${BACKGROUND_IMAGE}" \
+  --window-size 1200 800 \
+  --icon-size "${APP_ICON_SIZE}" \
+  --icon "HiFastVPN.app" "${APP_X}" "${APP_Y}" \
+  --app-drop-link "${DROP_X}" "${DROP_Y}" \
+  --hide-extension "HiFastVPN.app" \
+  --no-internet-enable \
+  "${DMG_PATH}" \
+  "${TEMP_DIR}"
+
+# 清理临时目录
+rm -rf "${TEMP_DIR}"
 
 # 公证 DMG
 echo "   公证 DMG..."
@@ -229,5 +299,6 @@ echo ""
 echo "⚠️  重要提示:"
 echo "  发给用户的应该是 DMG 文件，不是 ZIP 或 .app"
 echo "  DMG 已经签名和公证，用户打开后不会被 Gatekeeper 拦截"
+echo "  图标和 Applications 已按设计稿中心点对齐"
 echo ""