diff --git a/script/start-linux.sh b/script/start-linux.sh
index 09418125..bc27da0f 100644
--- a/script/start-linux.sh
+++ b/script/start-linux.sh
@@ -2,12 +2,100 @@
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 export PATH=$PATH:/usr/bin:/usr/local/bin
+
 RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
 
+CLEANING=0
+PMHQ_PID=""
+USE_XVFB=0
+DISTRO=""
+
 log() { echo -e "${GREEN}>>> $1${NC}"; }
 warn() { echo -e "${YELLOW}>>> $1${NC}"; }
 error() { echo -e "${RED}错误: $1${NC}"; exit 1; }
 
+check_sudo() {
+    log "验证 Sudo 权限..."
+    if ! sudo -v; then
+        error "Sudo 验证失败或被取消，脚本终止。"
+    fi
+}
+
+cleanup() {
+    # 防止用户对 Ctrl+C 突然产生某种异样的迷恋然后狂按 Ctrl+C
+    [ "$CLEANING" -eq 1 ] && return
+    CLEANING=1
+
+    # 防止日志挡交互
+    if [ -n "$PMHQ_PID" ] && kill -0 "$PMHQ_PID" 2>/dev/null; then
+        kill -STOP -"$PMHQ_PID" 2>/dev/null
+    fi
+
+    echo ""
+    warn "收到退出信号 (进程已挂起) <<<"
+
+    local kill_qq=1
+    local choice=""
+
+    if [ -n "$PMHQ_PID" ]; then
+        if read -t 5 -n 1 -r -p "是否关闭 QQ 及相关进程? [Y/n] (5秒后默认关闭): " choice < /dev/tty; then
+            echo ""
+        else
+            echo ""
+            log "等待超时，执行默认关闭操作。"
+        fi
+
+        if [[ "$choice" == "n" || "$choice" == "N" ]]; then
+            kill_qq=0
+        fi
+    fi
+
+    if [ $kill_qq -eq 1 ]; then
+        warn "正在停止服务..."
+
+        kill -CONT -"$PMHQ_PID" 2>/dev/null
+
+        kill -TERM -"$PMHQ_PID" 2>/dev/null
+        pkill -15 -f "$PMHQ_BIN" 2>/dev/null
+        pkill -15 -f "/opt/QQ/qq" 2>/dev/null
+
+        local wait_count=0
+
+        while kill -0 "$PMHQ_PID" 2>/dev/null || \
+              pgrep -f "$PMHQ_BIN" > /dev/null || \
+              pgrep -f "/opt/QQ/qq" > /dev/null; do
+            sleep 0.5
+            ((wait_count++))
+            if [ $wait_count -ge 6 ]; then
+                warn "检测到残留进程，执行强制清理..."
+                # 气死我了，总有点关不掉进程的毛病，累了，跟我 pkill -9 说去吧
+                # 期待大手子修复
+                kill -KILL -"$PMHQ_PID" 2>/dev/null
+                pkill -9 -f "$PMHQ_BIN" 2>/dev/null
+                pkill -9 -f "/opt/QQ/qq" 2>/dev/null
+                break
+            fi
+        done
+
+        # 环境清理
+        if [ "$DISTRO" != "arch" ] && [ "$USE_XVFB" -eq 0 ]; then
+            if command -v xhost &> /dev/null; then
+                xhost -local:$(whoami) > /dev/null 2>&1
+            fi
+        fi
+        log "所有进程已清理完毕。"
+    else
+        # 选择不关闭时必须恢复进程运行
+        kill -CONT -"$PMHQ_PID" 2>/dev/null
+        log "已恢复后台进程运行 (PGID: $PMHQ_PID)"
+        warn "注意：它们已脱离脚本控制，后续请手动管理"
+    fi
+
+    exit 0
+}
+
+trap cleanup SIGINT SIGTERM
+
 confirm() {
     read -n 1 -s -r -p "$1 (Y/n) " key
     echo ""
@@ -15,13 +103,13 @@ confirm() {
 }
 
 find_port() {
-    # 让系统自动分配可用端口
+    # 优先尝试让系统自动分配
     local port=$(python3 -c 'import socket; s=socket.socket(); s.bind(("",0)); print(s.getsockname()[1]); s.close()' 2>/dev/null)
     if [ -n "$port" ]; then
         echo $port
         return 0
     fi
-    # 回退方案：从指定端口开始查找
+    # 回退方案：扫描可用端口
     local port=$1
     while [ $port -lt 65535 ]; do
         if ! ss -tuln 2>/dev/null | grep -q ":$port " && ! netstat -tuln 2>/dev/null | grep -q ":$port "; then
@@ -38,19 +126,20 @@ if command -v pacman &> /dev/null; then
 elif command -v apt &> /dev/null; then
     DISTRO="debian"
 else
-    error "只支持 apt 或 pacman 包管理器"
+    error "当前只支持 apt 或 pacman 包管理器"
 fi
 log "检测到系统: $DISTRO"
 
 install_arch() {
+    check_sudo
     log "检查 Arch 依赖..."
-    sudo pacman -S --needed --noconfirm base-devel git ffmpeg xorg-server-xvfb libvips imagemagick dbus xorg-xhost fcitx5-im wget
+    sudo pacman -S --needed --noconfirm base-devel git ffmpeg xorg-server-xvfb libvips imagemagick dbus xorg-xhost fcitx5-im wget || error "基础依赖安装失败"
 
     if [ ! -f "/opt/QQ/qq" ] && confirm "未检测到 QQ，是否通过 AUR 安装?"; then
         if ! command -v yay &> /dev/null; then
             warn "未检测到 yay，尝试安装..."
             if ! sudo pacman -S --needed --noconfirm yay 2>/dev/null; then
-                warn "pacman 安装失败，切换源码编译..."
+                warn "pacman 安装 yay 失败，切换源码编译..."
                 rm -rf /tmp/yay_install && git clone https://aur.archlinux.org/yay.git /tmp/yay_install
                 (cd /tmp/yay_install && makepkg -si --noconfirm) || error "yay 编译失败"
                 rm -rf /tmp/yay_install
@@ -61,6 +150,7 @@ install_arch() {
 }
 
 install_debian() {
+    check_sudo
     local MACHINE=$(uname -m)
     local ARCH=""
     case "$MACHINE" in
@@ -71,66 +161,76 @@ install_debian() {
 
     if [ ! -f "/opt/QQ/qq" ] && confirm "未检测到 QQ，是否安装?"; then
         log "下载并安装 QQ ($ARCH)..."
-        sudo apt-get update && sudo apt-get install -y wget
+        sudo apt-get update && sudo apt-get install -y wget || error "apt update 或 wget 安装失败"
+
         local DEB="/tmp/qq.deb"
-        wget -O "$DEB" "https://dldir1v6.qq.com/qqfile/qq/QQNT/ab90fdfa/linuxqq_3.2.20-40768_$ARCH.deb" || error "下载失败"
+        wget -O "$DEB" "https://dldir1v6.qq.com/qqfile/qq/QQNT/ab90fdfa/linuxqq_3.2.20-40768_$ARCH.deb" || error "QQ 安装包下载失败"
 
-        # 依赖判断 (新版 Ubuntu 24.04+ 用 libasound2t64，旧版用 libasound2)
         local LIB_SND="libasound2"
         if apt-cache show libasound2t64 &>/dev/null; then
             LIB_SND="libasound2t64"
         fi
+        log "使用 ALSA 库包名: $LIB_SND"
 
-        echo "使用 ALSA 库包: $LIB_SND"
-
-        sudo apt install -y "$DEB" x11-utils libgtk-3-0 libxcb-xinerama0 libgl1-mesa-dri libnotify4 libnss3 xdg-utils libsecret-1-0 libappindicator3-1 libgbm1 $LIB_SND fonts-noto-cjk libxss1
+        sudo apt install -y "$DEB" x11-utils libgtk-3-0 libxcb-xinerama0 libgl1-mesa-dri libnotify4 libnss3 xdg-utils libsecret-1-0 libappindicator3-1 libgbm1 $LIB_SND fonts-noto-cjk libxss1 || error "QQ 依赖安装失败"
         rm -f "$DEB"
     fi
 
+    # 检查其他工具
+    local missing_pkgs=""
     for pkg in ffmpeg xvfb; do
-        command -v $pkg &> /dev/null || sudo apt-get install -y $pkg
+        if ! command -v $pkg &> /dev/null; then
+            missing_pkgs="$missing_pkgs $pkg"
+        fi
     done
+
+    if [ -n "$missing_pkgs" ]; then
+        log "安装缺失工具: $missing_pkgs"
+        sudo apt-get install -y $missing_pkgs || error "工具安装失败"
+    fi
 }
 
-[ "$DISTRO" == "arch" ] && install_arch || install_debian
+# 执行安装
+if [ "$DISTRO" == "arch" ]; then
+    install_arch
+else
+    install_debian
+fi
 
 chmod +x "$SCRIPT_DIR/llbot/node" "$SCRIPT_DIR/llbot/pmhq" 2>/dev/null
-[ "$DISTRO" == "arch" ] && sudo chown -R $(whoami):$(whoami) "$SCRIPT_DIR/llbot"
+
+sudo chown -R $(whoami):$(whoami) "$SCRIPT_DIR/llbot" 2>/dev/null
 
 PORT=$(find_port 13000)
 [ -z "$PORT" ] && error "无法找到可用端口"
-log "使用端口: $PORT"
-
-HAS_DISPLAY=0
-[[ -n "$DISPLAY" || -n "$WAYLAND_DISPLAY" ]] && HAS_DISPLAY=1
+log "分配端口: $PORT"
 
 echo "------------------------------------------------"
-echo "1) GUI 模式"
-echo "2) Shell 模式 (默认)"
+echo "1) GUI 模式 (有界面)"
+echo "2) Shell 模式 (无界面/Headless，默认)"
 echo "------------------------------------------------"
 
 MODE_CHOICE=""
 TIMEOUT=5
 while [ $TIMEOUT -gt 0 ]; do
-    printf "\r请选择 [1/2] (${TIMEOUT}秒后默认选择 Shell): "
+    printf "\r请选择 [1/2] (${TIMEOUT}秒后自动选择 Shell): "
     if read -t 1 -n 1 MODE_CHOICE; then
         echo ""
         break
     fi
     ((TIMEOUT--))
 done
-[ $TIMEOUT -eq 0 ] && echo "" && log "超时，使用默认 Shell 模式"
+[ $TIMEOUT -eq 0 ] && echo "" && log "超时，自动选择 Shell 模式"
+
 MODE_CHOICE=${MODE_CHOICE:-2}
 USE_XVFB=$([ "$MODE_CHOICE" == "2" ] && echo 1 || echo 0)
 
-# 授权 X11
 if [ $USE_XVFB -eq 0 ]; then
     if command -v xauth &> /dev/null; then
         export XAUTHORITY=${XAUTHORITY:-$HOME/.Xauthority}
     else
         warn "未检测到 xauth，使用临时 xhost 授权"
         xhost +local:$(whoami) > /dev/null 2>&1
-        trap "xhost -local:$(whoami) > /dev/null 2>&1" EXIT
     fi
 fi
 
@@ -138,11 +238,11 @@ IM_ENV=""
 EXTRA_FLAGS=""
 
 if [[ "$XDG_SESSION_TYPE" == "wayland" || -n "$WAYLAND_DISPLAY" ]]; then
-    log "环境: Wayland"
+    log "检测到 Wayland 环境"
     IM_ENV="XMODIFIERS=@im=fcitx"
     EXTRA_FLAGS="--enable-features=UseOzonePlatform --ozone-platform=wayland --enable-wayland-ime"
 else
-    log "环境: X11"
+    log "检测到 X11 环境"
     IM_ENV="GTK_IM_MODULE=fcitx QT_IM_MODULE=fcitx XMODIFIERS=@im=fcitx SDL_IM_MODULE=fcitx GLFW_IM_MODULE=ibus"
 fi
 
@@ -151,6 +251,8 @@ LLBOT_JS="$SCRIPT_DIR/llbot/llbot.js"
 PMHQ_BIN="$SCRIPT_DIR/llbot/pmhq"
 
 run_llbot() {
+    set -m
+
     if [ "$DISTRO" == "arch" ]; then
         export LD_PRELOAD="/usr/lib/libstdc++.so.6:/usr/lib/libgcc_s.so.1"
         export DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/$(id -u)/bus"
@@ -158,14 +260,22 @@ run_llbot() {
 
     local sub_cmd="$NODE_BIN --enable-source-maps $LLBOT_JS -- --pmhq-port=$PORT --no-sandbox $EXTRA_FLAGS"
 
-    log "启动中... (模式: $([ $USE_XVFB -eq 1 ] && echo "Headless" || echo "GUI"))"
+    log "正在启动 LLBot... (模式: $([ $USE_XVFB -eq 1 ] && echo "Headless" || echo "GUI"))"
+    log "按 Ctrl+C 可停止运行"
 
     if [ $USE_XVFB -eq 1 ]; then
-        env $IM_ENV xvfb-run -a "$PMHQ_BIN" --port="$PORT" --sub-cmd="$sub_cmd"
+        env $IM_ENV xvfb-run -a "$PMHQ_BIN" --port="$PORT" --sub-cmd="$sub_cmd" &
     else
-        [ "$DISTRO" != "arch" ] && xhost +local:$(whoami) > /dev/null 2>&1
-        env $IM_ENV "$PMHQ_BIN" --port="$PORT" --sub-cmd="$sub_cmd"
+        if [ "$DISTRO" != "arch" ]; then
+             xhost +local:$(whoami) > /dev/null 2>&1
+        fi
+        env $IM_ENV "$PMHQ_BIN" --port="$PORT" --sub-cmd="$sub_cmd" &
     fi
+
+    PMHQ_PID=$!
+
+    # 阻塞等待进程结束
+    wait "$PMHQ_PID" || true
 }
 
 run_llbot