diff --git a/build-deb.sh b/build-deb.sh
new file mode 100755
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--- /dev/null
+++ b/build-deb.sh
@@ -0,0 +1,128 @@
+#!/bin/bash
+
+# JNetApplet deb 一键打包脚本
+# 用法：bash build-deb.sh
+# 产物：jnetapplet_<version>_<arch>.deb
+
+set -e
+
+# 项目根目录
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+# 从 CMakeLists.txt 读取版本号
+VERSION=$(grep -oP 'project\([^)]*VERSION\s+\K[0-9]+\.[0-9]+\.[0-9]+' CMakeLists.txt)
+if [ -z "$VERSION" ]; then
+    echo "错误：无法从 CMakeLists.txt 读取版本号"
+    exit 1
+fi
+
+# 架构判断
+ARCH=$(dpkg --print-architecture)
+if [ -z "$ARCH" ]; then
+    ARCH="amd64"
+fi
+
+PKG_NAME="jnetapplet"
+DEB_FILE="${PKG_NAME}_${VERSION}_${ARCH}.deb"
+
+echo "=========================================="
+echo "  JNetApplet deb 打包"
+echo "  版本: $VERSION"
+echo "  架构: $ARCH"
+echo "  产物: $DEB_FILE"
+echo "=========================================="
+
+# 检查依赖工具
+for cmd in cmake dpkg-deb; do
+    if ! command -v "$cmd" &> /dev/null; then
+        echo "错误：缺少 $cmd，请先安装"
+        exit 1
+    fi
+done
+
+# 清理并创建构建目录
+echo "[1/5] 构建 CMake 项目..."
+rm -rf build
+cmake -B build -S . -DCMAKE_BUILD_TYPE=Release 2>&1 | tail -3
+cmake --build build -j"$(nproc)" 2>&1 | tail -3
+
+# 创建 staging 目录（模拟安装根目录）
+STAGE_DIR="$(mktemp -d)"
+trap "rm -rf '$STAGE_DIR'" EXIT
+
+echo "[2/5] 安装到 staging 目录..."
+# DESTDIR 指定安装根目录前缀，cmake 会将 /usr/... 安装到 $STAGE_DIR/usr/...
+DESTDIR="$STAGE_DIR" cmake --install build 2>&1 | tail -3
+
+# 生成 DEBIAN/control
+echo "[3/5] 生成 control 文件..."
+mkdir -p "$STAGE_DIR/DEBIAN"
+
+# 计算安装后大小（KB）
+INSTALLED_SIZE=$(du -sk "$STAGE_DIR/usr" | cut -f1)
+
+cat > "$STAGE_DIR/DEBIAN/control" << EOF
+Package: ${PKG_NAME}
+Version: ${VERSION}
+Architecture: ${ARCH}
+Maintainer: Jokul <jokul@git.jokul.space>
+Installed-Size: ${INSTALLED_SIZE}
+Depends: dde-shell, libc6, libqt6core6, libqt6gui6, libqt6quick6, libqt6network6, libdtk6core
+Section: utils
+Priority: optional
+Description: 网络速度监控 dde-shell 任务栏插件
+ 实时监控网络下载/上传速度，支持多网卡切换、IP 地址显示、
+ 总流量统计。适用于 deepin 桌面环境的 dde-shell 任务栏。
+Homepage: https://git.jokul.space/Jokul/JNetApplet
+EOF
+
+# 生成 postinst 脚本：安装后重启桌面用户的 dde-shell
+# 注意：dpkg 以 root 运行此脚本，systemctl --user 需切换到桌面用户身份
+cat > "$STAGE_DIR/DEBIAN/postinst" << 'EOF'
+#!/bin/bash
+set -e
+# 找到活跃桌面用户（UID >= 1000），以其身份重启 dde-shell 用户服务
+for user in $(who | awk '{print $1}' | sort -u); do
+    [ "$user" = "root" ] && continue
+    uid=$(id -u "$user" 2>/dev/null) || continue
+    [ "$uid" -lt 1000 ] && continue
+    su "$user" -c "systemctl --user restart dde-shell@DDE" 2>/dev/null || true
+done
+exit 0
+EOF
+chmod 755 "$STAGE_DIR/DEBIAN/postinst"
+
+# 生成 prerm 脚本：卸载前重启桌面用户的 dde-shell 移除插件
+cat > "$STAGE_DIR/DEBIAN/prerm" << 'EOF'
+#!/bin/bash
+set -e
+# 以桌面用户身份重启 dde-shell 以卸载插件
+for user in $(who | awk '{print $1}' | sort -u); do
+    [ "$user" = "root" ] && continue
+    uid=$(id -u "$user" 2>/dev/null) || continue
+    [ "$uid" -lt 1000 ] && continue
+    su "$user" -c "systemctl --user restart dde-shell@DDE" 2>/dev/null || true
+done
+exit 0
+EOF
+chmod 755 "$STAGE_DIR/DEBIAN/prerm"
+
+# 修正文件权限（so 文件需要 755，qml/json 需要 644）
+echo "[4/5] 修正文件权限..."
+find "$STAGE_DIR/usr" -type f -name "*.so" -exec chmod 755 {} \;
+find "$STAGE_DIR/usr" -type f \( -name "*.qml" -o -name "*.json" \) -exec chmod 644 {} \;
+
+# 构建 deb
+echo "[5/5] 构建 deb 包..."
+rm -f "$DEB_FILE"
+dpkg-deb --build --root-owner-group "$STAGE_DIR" "$DEB_FILE"
+
+echo ""
+echo "=========================================="
+echo "  打包完成！"
+echo "  产物: $DEB_FILE ($(du -h "$DEB_FILE" | cut -f1))"
+echo ""
+echo "  安装: sudo dpkg -i $DEB_FILE"
+echo "  卸载: sudo dpkg -r $PKG_NAME"
+echo "=========================================="