Merge pull request #134 from wnlen/dev

Dev

.env

@@ -42,7 +42,7 @@ CLASH_SHOW_SECRET_MASKED=true
 # - 默认仅监听本机：127.0.0.1:9090 （推荐）
 # - 如需局域网访问再改成：0.0.0.0:9090，并确保 CLASH_SECRET 足够复杂
 export EXTERNAL_CONTROLLER_ENABLED=true
-export EXTERNAL_CONTROLLER='127.0.0.1:9090'
+export EXTERNAL_CONTROLLER='0.0.0.0:9090'
 
 # -------------------------
 # 3) 代理端口与监听（常用）

install.sh

@@ -5,7 +5,7 @@ set -euo pipefail
 # 基础参数
 # =========================
 Server_Dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-Install_Dir="${CLASH_INSTALL_DIR:-/opt/clash-for-linux}"
+Install_Dir="${CLASH_INSTALL_DIR:-$Server_Dir}"
 Service_Name="clash-for-linux"
 Service_User="root"
 Service_Group="root"
@@ -136,7 +136,6 @@ if [[ -z "${CpuArch:-}" ]]; then
   err "无法识别 CPU 架构"
   exit 1
 fi
-info "CPU architecture: ${CpuArch}"
 
 # =========================
 # .env 写入工具：write_env_kv（必须在 prompt 之前定义）
@@ -351,33 +350,20 @@ read_secret_from_config() {
   printf '%s' "$s"
 }
 
-# 判断 systemd 是否可用（仅有 systemctl 命令但 PID 1 不是 systemd 时视为不可用）
-systemd_ready() {
-  command -v systemctl >/dev/null 2>&1 || return 1
-  systemctl show --property=Version --value >/dev/null 2>&1 || return 1
-  return 0
-}
-
 # =========================
 # systemd 安装与启动
 # =========================
 Service_Enabled="unknown"
 Service_Started="unknown"
-Systemd_Usable="false"
 
-if systemd_ready; then
+if command -v systemctl >/dev/null 2>&1; then
-  Systemd_Usable="true"
-fi
-
-if [ "$Systemd_Usable" = "true" ]; then
-  if [ "${CLASH_ENABLE_SERVICE:-true}" = "true" ] || [ "${CLASH_START_SERVICE:-true}" = "true" ]; then
   CLASH_SERVICE_USER="$Service_User" CLASH_SERVICE_GROUP="$Service_Group" "$Install_Dir/scripts/install_systemd.sh"
 
   if [ "${CLASH_ENABLE_SERVICE:-true}" = "true" ]; then
-      systemctl enable "${Service_Name}.service" >/dev/null 2>&1 || true
+    systemctl start "${Service_Name}.service" || true
   fi
   if [ "${CLASH_START_SERVICE:-true}" = "true" ]; then
-      systemctl start "${Service_Name}.service" >/dev/null 2>&1 || true
+    systemctl start "${Service_Name}.service" || true
   fi
 
   if systemctl is-enabled --quiet "${Service_Name}.service" 2>/dev/null; then
@@ -391,18 +377,9 @@ if [ "$Systemd_Usable" = "true" ]; then
   else
     Service_Started="inactive"
   fi
-  else
-    info "已按配置跳过 systemd 服务安装与启动（CLASH_ENABLE_SERVICE=false 且 CLASH_START_SERVICE=false）"
-    Service_Enabled="disabled"
-    Service_Started="inactive"
-  fi
-else
-  if command -v systemctl >/dev/null 2>&1; then
-    warn "检测到 systemctl 命令，但当前环境不可用 systemd（常见于 Docker 容器），已跳过服务单元生成"
 else
   warn "未检测到 systemd，已跳过服务单元生成"
 fi
-fi
 
 # =========================
 # Shell 代理快捷命令
@@ -416,7 +393,7 @@ install_profiled() {
   [ "$http_port" = "auto" ] && http_port="7890"
 
   # 只写 IPv4 loopback，避免某些环境 ::1 解析问题
-  tee "$PROFILED_FILE" >/dev/null <<EOF
+  sudo tee "$PROFILED_FILE" >/dev/null <<EOF
 # Clash for Linux proxy helpers
 # Auto-generated by clash-for-linux installer.
 
@@ -447,7 +424,7 @@ proxy_status() {
 }
 EOF
 
-  chmod 644 "$PROFILED_FILE"
+  sudo chmod 644 "$PROFILED_FILE"
 }
 
 install_profiled || true
@@ -470,7 +447,7 @@ log "📦 安装目录：$(path "${Install_Dir}")"
 log "👤 运行用户：${Service_User}:${Service_Group}"
 log "🔧 服务名称：${Service_Name}.service"
 
-if [ "$Systemd_Usable" = "true" ]; then
+if command -v systemctl >/dev/null 2>&1; then
   section "服务状态"
 
   se="${Service_Enabled:-unknown}"
@@ -486,11 +463,6 @@ if [ "$Systemd_Usable" = "true" ]; then
   log "${C_BOLD}常用命令：${C_NC}"
   log "  $(cmd "sudo systemctl status ${Service_Name}.service")"
   log "  $(cmd "sudo systemctl restart ${Service_Name}.service")"
-else
-  section "服务状态"
-  warn "当前环境未启用 systemd（如 Docker 容器），请使用 clashctl 管理进程"
-  log "  $(cmd "sudo clashctl start")"
-  log "  $(cmd "sudo clashctl restart")"
 fi
 
 # =========================
@@ -501,28 +473,65 @@ section "控制面板"
 api_port="$(parse_port "${EXTERNAL_CONTROLLER}")"
 api_host="${EXTERNAL_CONTROLLER%:*}"
 
+get_public_ip() {
+  if command -v curl >/dev/null 2>&1; then
+    curl -4 -fsS --max-time 3 https://api.ipify.org 2>/dev/null \
+      || curl -4 -fsS --max-time 3 https://ifconfig.me 2>/dev/null \
+      || curl -4 -fsS --max-time 3 https://ipv4.icanhazip.com 2>/dev/null \
+      || true
+  elif command -v wget >/dev/null 2>&1; then
+    wget -qO- --timeout=3 https://api.ipify.org 2>/dev/null \
+      || wget -qO- --timeout=3 https://ifconfig.me 2>/dev/null \
+      || wget -qO- --timeout=3 https://ipv4.icanhazip.com 2>/dev/null \
+      || true
+  else
+    true
+  fi
+}
+
 if [[ -z "$api_host" ]] || [[ "$api_host" == "$EXTERNAL_CONTROLLER" ]]; then
   api_host="127.0.0.1"
 fi
 
+if [[ "$api_host" == "0.0.0.0" ]] || [[ "$api_host" == "::" ]] || [[ "$api_host" == "localhost" ]]; then
+  api_host="$(get_public_ip | tr -d '\r\n')"
+  [[ -z "$api_host" ]] && api_host="$(hostname -I 2>/dev/null | awk '{print $1}')"
+  [[ -z "$api_host" ]] && api_host="127.0.0.1"
+fi
+
 CONF_DIR="$Install_Dir/conf"
-CONF_FILE="$CONF_DIR/config.yaml"
+TEMP_DIR="$Install_Dir/temp"
 
 SECRET_VAL=""
-if wait_secret_ready "$CONF_FILE" 6; then
+SECRET_FILE=""
-  SECRET_VAL="$(read_secret_from_config "$CONF_FILE" || true)"
+
+for _ in {1..15}; do
+  for f in \
+    "$TEMP_DIR/config.yaml" \
+    "$CONF_DIR/config.yaml"
+  do
+    SECRET_VAL="$(read_secret_from_config "$f" 2>/dev/null || true)"
+    if [[ -n "$SECRET_VAL" ]]; then
+      SECRET_FILE="$f"
+      break 2
     fi
+  done
+  sleep 0.2
+done
 
 dash="http://${api_host}:${api_port}/ui"
 log "🌐 Dashboard：$(url "$dash")"
 
+SHOW_FILE="${SECRET_FILE:-$CONF_DIR/config.yaml}"
+
 if [[ -n "$SECRET_VAL" ]]; then
-  MASKED="${SECRET_VAL:0:4}****${SECRET_VAL: -4}"
+  MASKED="${SECRET_VAL}"
   log "🔐 Secret：${C_YELLOW}${MASKED}${C_NC}"
-  log "   查看完整 Secret：$(cmd "sudo sed -nE 's/^[[:space:]]*secret:[[:space:]]*//p' \"$CONF_FILE\" | head -n 1")"
+  # log "   查看完整 Secret：$(cmd "sudo sed -nE 's/^[[:space:]]*secret:[[:space:]]*//p' \"$SHOW_FILE\" | head -n 1")"
 else
   log "🔐 Secret：${C_YELLOW}启动中暂未读到（稍后再试）${C_NC}"
-  log "   稍后查看：$(cmd "sudo sed -nE 's/^[[:space:]]*secret:[[:space:]]*//p' \"$CONF_FILE\" | head -n 1")"
+  log "   稍后查看：$(cmd "sudo sed -nE 's/^[[:space:]]*secret:[[:space:]]*//p' \"$CONF_DIR/config.yaml\" | head -n 1")"
+  log "   也可检查运行态：$(cmd "sudo sed -nE 's/^[[:space:]]*secret:[[:space:]]*//p' \"$TEMP_DIR/config.yaml\" | head -n 1")"
 fi
 
 # =========================
@@ -541,11 +550,7 @@ else
   log "  $(cmd "sudo bash -c 'echo \"CLASH_URL=<订阅地址>\" > ${ENV_FILE}'")"
   log ""
   log "配置完成后重启服务："
-  if [ "$Systemd_Usable" = "true" ]; then
   log "  $(cmd "sudo systemctl restart ${Service_Name}.service")"
-  else
-    log "  $(cmd "sudo clashctl restart")"
-  fi
 fi
 
 # =========================
@@ -566,7 +571,7 @@ fi
 # 启动后快速诊断
 # =========================
 sleep 1
-if [ "$Systemd_Usable" = "true" ] && command -v journalctl >/dev/null 2>&1; then
+if command -v journalctl >/dev/null 2>&1; then
   if journalctl -u "${Service_Name}.service" -n 50 --no-pager 2>/dev/null \
      | grep -q "Clash订阅地址不可访问"; then
     warn "服务启动异常：订阅不可用，请检查 CLASH_URL（可能过期 / 404 / 被墙）。"

scripts/get_cpu_arch.sh

@@ -47,4 +47,5 @@ else
     exitWithError "Unsupported Linux distribution"
 fi
 
-echo "CPU architecture: $CpuArch"
+log_info() { echo "[INFO] $*"; }
+log_info "CPU architecture: $CpuArch"

scripts/install_systemd.sh

@@ -10,47 +10,64 @@ Service_User="root"
 Service_Group="root"
 
 Unit_Path="/etc/systemd/system/${Service_Name}.service"
-PID_FILE="$Server_Dir/temp/clash.pid"
+Env_File="$Server_Dir/temp/clash-for-linux.sh"
 
 #################### 权限检查 ####################
 
 if [ "$(id -u)" -ne 0 ]; then
-  echo -e "\033[31m[ERROR] 需要 root 权限来安装 systemd 单元\033[0m"
+  echo -e "[ERROR] 需要 root 权限来安装 systemd 单元"
   exit 1
 fi
 
 #################### 目录初始化 ####################
 
-install -d -m 0755 \
+install -d -m 0755   "$Server_Dir/conf"   "$Server_Dir/logs"   "$Server_Dir/temp"
-  "$Server_Dir/conf" \
+
-  "$Server_Dir/logs" \
+# 预创建 env 文件，避免 systemd 因路径不存在报错
-  "$Server_Dir/temp"
+: > "$Env_File"
+chmod 0644 "$Env_File"
 
 #################### 生成 systemd Unit ####################
 
 cat >"$Unit_Path" <<EOF
 [Unit]
-Description=Clash for Linux
+Description=Clash for Linux (Mihomo)
-After=network-online.target
+Documentation=https://github.com/wnlen/clash-for-linux
+After=network-online.target nss-lookup.target
 Wants=network-online.target
+StartLimitIntervalSec=0
+StartLimitBurst=10
 
 [Service]
 Type=simple
+User=$Service_User
+Group=$Service_Group
 WorkingDirectory=$Server_Dir
 
-# 启动 / 停止
+# 启动环境
+Environment=SYSTEMD_MODE=true
+Environment=CLASH_ENV_FILE=$Env_File
+Environment=HOME=/root
+
+# 主进程必须由 start.sh 最后一跳 exec 成 mihomo/clash
 ExecStart=/bin/bash $Server_Dir/start.sh
 ExecStop=/bin/bash $Server_Dir/shutdown.sh
+ExecReload=/bin/kill -HUP \$MAINPID
 
-# 失败策略
+# 常驻策略：即使上层脚本正常退出，也要由 systemd 拉回
-Restart=on-failure
+Restart=always
-RestartSec=5
+RestartSec=5s
+
+# 停止与日志
+KillMode=mixed
 TimeoutStartSec=120
 TimeoutStopSec=30
+StandardOutput=journal
+StandardError=journal
 
-# 环境变量
+# 安全与文件权限
-Environment=SYSTEMD_MODE=true
+UMask=0022
-Environment=CLASH_ENV_FILE=$Server_Dir/temp/clash-for-linux.sh
+NoNewPrivileges=false
 
 [Install]
 WantedBy=multi-user.target
@@ -59,7 +76,10 @@ EOF
 #################### 刷新 systemd ####################
 
 systemctl daemon-reload
+systemctl enable "$Service_Name".service >/dev/null 2>&1 || true
 
-echo -e "\033[32m[OK] 已生成 systemd 单元: ${Unit_Path}\033[0m"
+echo -e "[OK] 已生成 systemd 单元: ${Unit_Path}"
-echo -e "可执行以下命令启动服务："
+echo -e "已启用开机自启，可执行以下命令启动服务："
-echo -e "  sudo systemctl enable --now ${Service_Name}.service"
+echo -e "  systemctl restart ${Service_Name}.service"
+echo -e "查看状态："
+echo -e "  systemctl status ${Service_Name}.service -l --no-pager"

start.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # 严格模式
-set -eo pipefail
+set -euo pipefail
 
 # --- DEBUG: 打印具体失败的行号和命令（systemd 下非常关键） ---
 trap 'rc=$?; echo "[ERR] rc=$rc line=$LINENO cmd=$BASH_COMMAND" >&2' ERR
@@ -90,14 +90,37 @@ URL="${CLASH_URL:-}"
 URL="$(printf '%s' "$URL" | tr -d '\r')"
 URL="$(printf '%s' "$URL" | sed -E 's/^[[:space:]]+//; s/[[:space:]]+$//')"
 
+# 允许手动启动时交互填写；直接回车则切到本地兜底配置
+MANUAL_EMPTY_URL_FALLBACK=false
+if [ -z "$URL" ] && [ "${SYSTEMD_MODE:-false}" != "true" ]; then
+  if [ -t 0 ]; then
+    echo
+    echo "[WARN] 未检测到订阅地址（CLASH_URL 为空）"
+    echo "请粘贴你的 Clash 订阅地址（直接回车将使用本地兜底配置启动）："
+    read -r -p "Clash URL: " input_url
+    input_url="$(printf '%s' "$input_url" | tr -d '\r')"
+    input_url="$(printf '%s' "$input_url" | sed -E 's/^[[:space:]]+//; s/[[:space:]]+$//')"
+
+    if [ -n "$input_url" ]; then
+      if ! printf '%s' "$input_url" | grep -Eq '^https?://'; then
+        echo "[ERR] CLASH_URL 格式无效：必须以 http:// 或 https:// 开头" >&2
+        exit 2
+      fi
+      URL="$input_url"
+      export CLASH_URL="$URL"
+    else
+      echo "[WARN] 未填写订阅地址，切换为本地兜底配置启动"
+      MANUAL_EMPTY_URL_FALLBACK=true
+    fi
+  else
+    echo "[ERR] CLASH_URL 为空（未配置订阅地址）" >&2
+    exit 2
+  fi
+fi
+
 #让 bash 子进程能拿到
 export CLASH_URL="$URL"
 
-# 只有在“需要在线更新订阅”的模式下才强制要求 URL
-if [ -z "$URL" ] && [ "${SYSTEMD_MODE:-false}" != "true" ]; then
-  echo "[ERR] CLASH_URL 为空（未配置订阅地址）"
-  exit 2
-fi
 if [ -n "$URL" ] && ! printf '%s' "$URL" | grep -Eq '^https?://'; then
   echo "[ERR] CLASH_URL 格式无效：必须以 http:// 或 https:// 开头" >&2
   exit 2
@@ -119,10 +142,10 @@ fi
 # 兜底生成随机 secret
 if [ -z "$Secret" ]; then
   if command -v openssl >/dev/null 2>&1; then
-    Secret="$(openssl rand -hex 32)"
+    Secret="$(openssl rand -hex 16)"
   else
     # 32 bytes -> 64 hex chars
-    Secret="$(head -c 32 /dev/urandom | od -An -tx1 | tr -d ' \n')"
+    Secret="$(head -c 16 /dev/urandom | od -An -tx1 | tr -d ' \n')"
   fi
 fi
 
@@ -179,7 +202,7 @@ ensure_ui_links() {
 
 force_write_controller_and_ui() {
   local file="$1"
-  local controller="${EXTERNAL_CONTROLLER:-127.0.0.1:9090}"
+  local controller="${EXTERNAL_CONTROLLER:-0.0.0.0:9090}"
 
   [ -n "$file" ] || return 1
 
@@ -249,11 +272,11 @@ fix_external_ui_by_safe_paths() {
 CLASH_HTTP_PORT="${CLASH_HTTP_PORT:-7890}"
 CLASH_SOCKS_PORT="${CLASH_SOCKS_PORT:-7891}"
 CLASH_REDIR_PORT="${CLASH_REDIR_PORT:-7892}"
-CLASH_LISTEN_IP="${CLASH_LISTEN_IP:-127.0.0.1}"
+CLASH_LISTEN_IP="${CLASH_LISTEN_IP:-0.0.0.0}"
 CLASH_ALLOW_LAN="${CLASH_ALLOW_LAN:-false}"
 
 EXTERNAL_CONTROLLER_ENABLED="${EXTERNAL_CONTROLLER_ENABLED:-true}"
-EXTERNAL_CONTROLLER="${EXTERNAL_CONTROLLER:-127.0.0.1:9090}"
+EXTERNAL_CONTROLLER="${EXTERNAL_CONTROLLER:-0.0.0.0:9090}"
 
 ALLOW_INSECURE_TLS="${ALLOW_INSECURE_TLS:-false}"
 
@@ -326,6 +349,10 @@ ensure_subconverter() {
   local bin="${Server_Dir}/tools/subconverter/subconverter"
   local port="25500"
 
+  # 自动获取服务器IP
+  local host_ip
+  host_ip="$(hostname -I | awk '{print $1}')"
+
   # 没有二进制直接跳过
   if [ ! -x "$bin" ]; then
     echo "[WARN] subconverter bin not found: $bin"
@@ -335,20 +362,20 @@ ensure_subconverter() {
 
   # 已在监听则认为就绪
   if ss -lntp 2>/dev/null | grep -qE ":${port}[[:space:]]"; then
-    export SUBCONVERTER_URL="${SUBCONVERTER_URL:-http://127.0.0.1:${port}}"
+    export SUBCONVERTER_URL="${SUBCONVERTER_URL:-http://${host_ip}:${port}}"
     export SUBCONVERTER_READY="true"
     return 0
   fi
 
-  # 启动（后台）
+  # 启动（监听所有IP）
   echo "[INFO] starting subconverter..."
-  (cd "${Server_Dir}/tools/subconverter" && nohup "./subconverter" >/dev/null 2>&1 &)
+  (cd "${Server_Dir}/tools/subconverter" && nohup "./subconverter" -listen 0.0.0.0:${port} >/dev/null 2>&1 &)
 
   # 等待端口起来
   for _ in 1 2 3 4 5; do
     sleep 1
     if ss -lntp 2>/dev/null | grep -qE ":${port}[[:space:]]"; then
-      export SUBCONVERTER_URL="${SUBCONVERTER_URL:-http://127.0.0.1:${port}}"
+      export SUBCONVERTER_URL="${SUBCONVERTER_URL:-http://${host_ip}:${port}}"
       export SUBCONVERTER_READY="true"
       echo "[OK] subconverter ready at ${SUBCONVERTER_URL}"
       return 0
@@ -410,9 +437,13 @@ ensure_fallback_config() {
 }
 SKIP_CONFIG_REBUILD=false
 
-# systemd 模式下若 URL 为空：直接兜底启动
+# systemd 模式下 URL 为空，或手动模式下用户回车跳过：直接兜底启动
-if [ "${SYSTEMD_MODE}" = "true" ] && [ -z "${URL:-}" ]; then
+if { [ "${SYSTEMD_MODE}" = "true" ] && [ -z "${URL:-}" ]; } || [ "${MANUAL_EMPTY_URL_FALLBACK:-false}" = "true" ]; then
+  if [ "${SYSTEMD_MODE}" = "true" ]; then
     echo -e "\033[33m[WARN]\033[0m SYSTEMD_MODE=true 且 CLASH_URL 为空，跳过订阅更新，使用本地兜底配置启动"
+  else
+    echo -e "\033[33m[WARN]\033[0m 手动模式未填写订阅地址，跳过订阅更新，使用本地兜底配置启动"
+  fi
   ensure_fallback_config || true
   SKIP_CONFIG_REBUILD=true
 fi
@@ -797,12 +828,30 @@ Clash_Bin="$(resolve_clash_bin "$Server_Dir" "$CpuArch")"
 ReturnStatus=$?
 
 if [ "$ReturnStatus" -eq 0 ]; then
+  echo ''
+  if [ "$EXTERNAL_CONTROLLER_ENABLED" = "true" ]; then
+    echo -e "Clash Dashboard 访问地址: http://${EXTERNAL_CONTROLLER}/ui"
+
+    SHOW_SECRET="${CLASH_SHOW_SECRET:-false}"
+    SHOW_SECRET_MASKED="${CLASH_SHOW_SECRET_MASKED:-true}"
+
+    if [ "$SHOW_SECRET" = "true" ]; then
+      echo -e "Secret: ${Secret}"
+    elif [ "$SHOW_SECRET_MASKED" = "true" ]; then
+      masked="${Secret:0:4}****${Secret: -4}"
+      echo -e "Secret: ${masked}  (set CLASH_SHOW_SECRET=true to show full)"
+    else
+      echo -e "Secret: 已生成（未显示）。查看：${CONFIG_FILE} 或 .env"
+    fi
+  else
+    echo -e "External Controller (Dashboard) 已禁用"
+  fi
+  echo ''
+
   if [ "${SYSTEMD_MODE:-false}" = "true" ]; then
     echo "[INFO] SYSTEMD_MODE=true，前台启动交给 systemd 监管"
     echo "[INFO] Using config: $CONFIG_FILE"
     echo "[INFO] Using runtime dir: $RUNTIME_DIR"
-
-    # systemd 前台：只用 -f 指定配置文件，-d 作为工作目录
     exec "$Clash_Bin" -f "$CONFIG_FILE" -d "$RUNTIME_DIR"
   else
     echo "[INFO] 后台启动 (nohup)"
@@ -825,29 +874,6 @@ else
   if_success "$Text5" "$Text6" "$ReturnStatus"
 fi
 
-#################### 输出信息 ####################
-
-echo ''
-if [ "$EXTERNAL_CONTROLLER_ENABLED" = "true" ]; then
-  echo -e "Clash Dashboard 访问地址: http://${EXTERNAL_CONTROLLER}/ui"
-
-  SHOW_SECRET="${CLASH_SHOW_SECRET:-false}"
-  SHOW_SECRET_MASKED="${CLASH_SHOW_SECRET_MASKED:-true}"
-
-  if [ "$SHOW_SECRET" = "true" ]; then
-    echo -e "Secret: ${Secret}"
-  elif [ "$SHOW_SECRET_MASKED" = "true" ]; then
-    # 脱敏：前4后4
-    masked="${Secret:0:4}****${Secret: -4}"
-    echo -e "Secret: ${masked}  (set CLASH_SHOW_SECRET=true to show full)"
-  else
-    echo -e "Secret: 已生成（未显示）。查看：/opt/clash-for-linux/conf/config.yaml 或 .env"
-  fi
-else
-  echo -e "External Controller (Dashboard) 已禁用"
-fi
-echo ''
-
 #################### 写入代理环境变量文件 ####################
 
 Env_File="${CLASH_ENV_FILE:-}"

uninstall.sh

@@ -1,142 +1,152 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# =========================
+# More accurate uninstall for clash-for-linux
-# 参数（对标 install.sh + install_systemd.sh）
+SERVICE_NAME="clash-for-linux"
-# =========================
+UNIT_PATH="/etc/systemd/system/${SERVICE_NAME}.service"
-Install_Dir="${CLASH_INSTALL_DIR:-/opt/clash-for-linux}"
-Service_Name="clash-for-linux"
-Service_User="root"
-Service_Group="root"
-Unit_Path="/etc/systemd/system/${Service_Name}.service"
 
-# =========================
-# 彩色输出
-# =========================
 RED='\033[31m'
 GREEN='\033[32m'
 YELLOW='\033[33m'
 NC='\033[0m'
-
 info()  { echo -e "${GREEN}[INFO]${NC} $*"; }
 ok()    { echo -e "${GREEN}[OK]${NC} $*"; }
 warn()  { echo -e "${YELLOW}[WARN]${NC} $*"; }
 err()   { echo -e "${RED}[ERROR]${NC} $*"; }
 
-# =========================
-# 前置校验
-# =========================
 if [ "$(id -u)" -ne 0 ]; then
   err "需要 root 权限执行卸载脚本（请使用 sudo bash uninstall.sh）"
   exit 1
 fi
 
-info "开始卸载 ${Service_Name} ..."
+# Candidate install dirs:
-info "Install_Dir=${Install_Dir}"
+# 1) explicit CLASH_INSTALL_DIR
+# 2) working directory if it looks like clash-for-linux
+# 3) service WorkingDirectory / ExecStart path inferred from unit
+# 4) common defaults
+candidates=()
+[ -n "${CLASH_INSTALL_DIR:-}" ] && candidates+=("${CLASH_INSTALL_DIR}")
+PWD_BASENAME="$(basename "${PWD}")"
+if [ "$PWD_BASENAME" = "clash-for-linux" ] && [ -f "${PWD}/start.sh" ]; then
+  candidates+=("${PWD}")
+fi
 
-# =========================
+if [ -f "$UNIT_PATH" ]; then
-# 1) 优雅停止（优先 shutdown.sh，再 systemd）
+  wd="$(sed -nE 's#^WorkingDirectory=(.*)#\1#p' "$UNIT_PATH" | head -n1 || true)"
-# =========================
+  [ -n "$wd" ] && candidates+=("$wd")
-if [ -f "${Install_Dir}/shutdown.sh" ]; then
+
+  exec_path="$(sed -nE 's#^ExecStart=/bin/bash[[:space:]]+([^[:space:]]+/start\.sh).*#\1#p' "$UNIT_PATH" | head -n1 || true)"
+  if [ -n "$exec_path" ]; then
+    candidates+=("$(dirname "$exec_path")")
+  fi
+fi
+
+candidates+=("/root/clash-for-linux" "/opt/clash-for-linux")
+
+# normalize + uniq + choose first existing dir containing start.sh or shutdown.sh
+INSTALL_DIR=""
+declare -A seen
+for d in "${candidates[@]}"; do
+  [ -n "$d" ] || continue
+  d="${d%/}"
+  [ -n "$d" ] || continue
+  if [ -z "${seen[$d]:-}" ]; then
+    seen[$d]=1
+    if [ -d "$d" ] && { [ -f "$d/start.sh" ] || [ -f "$d/shutdown.sh" ] || [ -d "$d/conf" ]; }; then
+      INSTALL_DIR="$d"
+      break
+    fi
+  fi
+done
+
+if [ -z "$INSTALL_DIR" ]; then
+  warn "未能自动识别安装目录，将按候选路径继续清理 systemd / 环境文件。"
+else
+  info "识别到安装目录: $INSTALL_DIR"
+fi
+
+info "开始卸载 ${SERVICE_NAME} ..."
+
+# 1) graceful stop
+if [ -n "$INSTALL_DIR" ] && [ -f "${INSTALL_DIR}/shutdown.sh" ]; then
   info "执行 shutdown.sh（优雅停止）..."
-  bash "${Install_Dir}/shutdown.sh" >/dev/null 2>&1 || true
+  bash "${INSTALL_DIR}/shutdown.sh" >/dev/null 2>&1 || true
 fi
 
 if command -v systemctl >/dev/null 2>&1; then
   info "停止并禁用 systemd 服务..."
-  systemctl stop "${Service_Name}.service" >/dev/null 2>&1 || true
+  systemctl stop "${SERVICE_NAME}.service" >/dev/null 2>&1 || true
-  systemctl disable "${Service_Name}.service" >/dev/null 2>&1 || true
+  systemctl disable "${SERVICE_NAME}.service" >/dev/null 2>&1 || true
 fi
 
-# =========================
+# 2) stop process by pid file from all likely dirs
-# 2) 兜底：按 PID 文件杀进程（对标 unit 的 PIDFile）
+for d in "/root/clash-for-linux" "/opt/clash-for-linux" "${INSTALL_DIR:-}"; do
-# =========================
+  [ -n "$d" ] || continue
-PID_FILE="${Install_Dir}/temp/clash.pid"
+  PID_FILE="$d/temp/clash.pid"
   if [ -f "$PID_FILE" ]; then
     PID="$(cat "$PID_FILE" 2>/dev/null || true)"
     if [ -n "${PID:-}" ] && kill -0 "$PID" 2>/dev/null; then
-    info "检测到 PID=${PID}，尝试停止..."
+      info "检测到 PID=${PID}（来自 $PID_FILE），尝试停止..."
       kill "$PID" 2>/dev/null || true
       sleep 1
       if kill -0 "$PID" 2>/dev/null; then
         warn "进程仍在运行，强制 kill -9 ${PID}"
         kill -9 "$PID" 2>/dev/null || true
       fi
-    ok "已停止 clash 进程（PIDFile）"
     fi
+    rm -f "$PID_FILE" || true
   fi
+done
 
-# 再兜底：按进程名（系统可能有多个 clash，不建议无脑 pkill -9；先提示再杀）
+# 兜底：按完整路径匹配，避免误杀其他 clash
-if pgrep -x clash >/dev/null 2>&1; then
+pkill -f '/clash-for-linux/.*/clash' >/dev/null 2>&1 || true
-  warn "检测到仍有 clash 进程存在（可能非本项目），尝试温和结束..."
+pkill -f '/clash-for-linux/.*/mihomo' >/dev/null 2>&1 || true
-  pkill -x clash >/dev/null 2>&1 || true
 sleep 1
-fi
+pkill -9 -f '/clash-for-linux/.*/clash' >/dev/null 2>&1 || true
-if pgrep -x clash >/dev/null 2>&1; then
+pkill -9 -f '/clash-for-linux/.*/mihomo' >/dev/null 2>&1 || true
-  warn "仍残留 clash 进程，执行 pkill -9（可能影响其它 clash 实例）..."
-  pkill -9 -x clash >/dev/null 2>&1 || true
-fi
 
-# =========================
+# 3) remove unit and related files
-# 3) 删除 systemd unit（对标 install_systemd.sh）
+if [ -f "$UNIT_PATH" ]; then
-# =========================
+  rm -f "$UNIT_PATH"
-if [ -f "$Unit_Path" ]; then
+  ok "已移除 systemd 单元: ${UNIT_PATH}"
-  rm -f "$Unit_Path"
-  ok "已移除 systemd 单元: ${Unit_Path}"
 fi
-
+if [ -d "/etc/systemd/system/${SERVICE_NAME}.service.d" ]; then
-# drop-in（万一用户自定义过）
+  rm -rf "/etc/systemd/system/${SERVICE_NAME}.service.d"
-if [ -d "/etc/systemd/system/${Service_Name}.service.d" ]; then
+  ok "已移除 drop-in: /etc/systemd/system/${SERVICE_NAME}.service.d"
-  rm -rf "/etc/systemd/system/${Service_Name}.service.d"
-  ok "已移除 drop-in: /etc/systemd/system/${Service_Name}.service.d"
 fi
-
 if command -v systemctl >/dev/null 2>&1; then
   systemctl daemon-reload >/dev/null 2>&1 || true
   systemctl reset-failed >/dev/null 2>&1 || true
 fi
 
-# =========================
+# 4) cleanup env / command entry
-# 4) 清理默认配置/环境脚本/命令入口
+rm -f "/etc/default/${SERVICE_NAME}" >/dev/null 2>&1 || true
-# =========================
+rm -f "/etc/profile.d/clash-for-linux.sh" >/dev/null 2>&1 || true
-if [ -f "/etc/default/${Service_Name}" ]; then
+rm -f "/usr/local/bin/clashctl" >/dev/null 2>&1 || true
-  rm -f "/etc/default/${Service_Name}"
+for d in "/root/clash-for-linux" "/opt/clash-for-linux" "${INSTALL_DIR:-}"; do
-  ok "已移除: /etc/default/${Service_Name}"
+  [ -n "$d" ] || continue
+  rm -f "$d/temp/clash-for-linux.sh" >/dev/null 2>&1 || true
+done
+
+# 5) remove install dirs
+removed_any=false
+for d in "${INSTALL_DIR:-}" "/root/clash-for-linux" "/opt/clash-for-linux"; do
+  [ -n "$d" ] || continue
+  if [ -d "$d" ] && { [ -f "$d/start.sh" ] || [ -d "$d/conf" ] || [ "$d" = "$INSTALL_DIR" ]; }; then
+    rm -rf "$d"
+    ok "已移除安装目录: $d"
+    removed_any=true
+  fi
+done
+
+if [ "$removed_any" = false ]; then
+  warn "未发现可删除的安装目录"
 fi
 
-# 运行时 Env_File 可能写到 /etc/profile.d 或 temp，这里都清
-if [ -f "/etc/profile.d/clash-for-linux.sh" ]; then
-  rm -f "/etc/profile.d/clash-for-linux.sh"
-  ok "已移除: /etc/profile.d/clash-for-linux.sh"
-fi
-
-if [ -f "${Install_Dir}/temp/clash-for-linux.sh" ]; then
-  rm -f "${Install_Dir}/temp/clash-for-linux.sh" || true
-  ok "已移除: ${Install_Dir}/temp/clash-for-linux.sh"
-fi
-
-if [ -f "/usr/local/bin/clashctl" ]; then
-  rm -f "/usr/local/bin/clashctl"
-  ok "已移除: /usr/local/bin/clashctl"
-fi
-
-# =========================
-# 5) 删除安装目录
-# =========================
-if [ -d "$Install_Dir" ]; then
-  rm -rf "$Install_Dir"
-  ok "已移除安装目录: ${Install_Dir}"
-else
-  warn "未找到安装目录: ${Install_Dir}"
-fi
-
-# =========================
-# 7) 提示：当前终端代理变量需要手动清
-# =========================
 echo
 warn "如果你曾执行 proxy_on，当前终端可能仍保留代理环境变量。可执行："
 echo "  unset http_proxy https_proxy no_proxy HTTP_PROXY HTTPS_PROXY NO_PROXY"
 echo "  # 或关闭终端重新打开"
 
 echo
-ok "卸载完成（root-only 模式）✅"
+ok "卸载完成 ✅"