diff --git a/singbox.sh b/singbox.sh
index f8e3066..db00ef5 100644
--- a/singbox.sh
+++ b/singbox.sh
@@ -1,78 +1,93 @@
 #!/usr/bin/env bash
 # install_singbox.sh
-# 一键安装 Sing-box，并配置 VLESS Reality，自动生成字段、写入配置、创建 Systemd 服务并输出链接
+# 一键安装 Sing-box，并配置 VLESS Reality，支持菜单操作：安装、状态、显示链接、卸载、重装
 set -euo pipefail
-### 0. 输入名称 ###
-read -rp "请输入用户名称 (name 字段，例如 AK-JP-100G)： " NAME
-if [[ -z "$NAME" ]]; then
-  echo "名称不能为空，退出。" >&2
-  exit 1
-fi
-echo "使用名称：$NAME"
-### 1. 安装 Sing-box 内核 ###
-if command -v apt-get &>/dev/null; then
-  echo "检测到 Debian/Ubuntu，使用官方 deb 安装脚本..."
-  bash <(curl -fsSL https://sing-box.app/deb-install.sh)
-elif command -v dnf &>/dev/null || command -v yum &>/dev/null; then
-  echo "检测到 RHEL/CentOS，使用官方 rpm 安装脚本..."
-  bash <(curl -fsSL https://sing-box.app/rpm-install.sh)
-elif command -v pacman &>/dev/null; then
-  echo "检测到 Arch Linux，使用官方 arch 安装脚本..."
-  bash <(curl -fsSL https://sing-box.app/arch-install.sh)
-else
-  echo "无法识别发行版，请手动安装 Sing-box 内核" >&2
-  exit 1
-fi
-# 确定 sing-box 可执行文件
-BIN_PATH=$(command -v sing-box || true)
-if [[ -z "$BIN_PATH" ]]; then
-  echo "未找到 sing-box，可执行文件路径异常，请检查安装" >&2
-  exit 1
-fi
-echo "Sing-box 内核版本：$("$BIN_PATH" version | head -n1)"
-### 2. 生成 UUID / Reality 密钥 / ShortID / uTLS ###
-UUID=$("$BIN_PATH" generate uuid)
-KEY_OUTPUT=$("$BIN_PATH" generate reality-keypair)
-PRIVATE_KEY=$(echo "$KEY_OUTPUT" | awk -F': ' '/PrivateKey/ {print $2}')
-PUB_KEY=$(echo "$KEY_OUTPUT" | awk -F': ' '/PublicKey/ {print $2}')
-SHORT_ID=$(openssl rand -hex 8)
-FP="chrome"
-### 3. 写入配置文件 ###
+
 CONFIG_DIR=/etc/singbox
-mkdir -p "$CONFIG_DIR"
-cat > "$CONFIG_DIR/config.json" <<EOF
+SERVICE_FILE=/etc/systemd/system/sing-box.service
+STATE_FILE="$CONFIG_DIR/state.env"
+BIN_NAME=sing-box
+
+# 函数：安装 Sing-box 并生成配置
+install_singbox() {
+  # 0. 输入名称 & SNI
+  read -rp "请输入用户名称 (name 字段，例如 AK-JP-100G)： " NAME
+  [[ -z "$NAME" ]] && {
+    echo "名称不能为空，退出。" >&2
+    exit 1
+  }
+  read -rp "请输入 SNI 域名 (默认: s0.awsstatic.com)： " SNI
+  SNI=${SNI:-s0.awsstatic.com}
+
+  # 1. 安装 Sing-box
+  if command -v apt-get &>/dev/null; then
+    echo "检测到 Debian/Ubuntu，使用官方 deb 安装脚本..."
+    bash <(curl -fsSL https://sing-box.app/deb-install.sh)
+  elif command -v dnf &>/dev/null || command -v yum &>/dev/null; then
+    echo "检测到 RHEL/CentOS，使用官方 rpm 安装脚本..."
+    bash <(curl -fsSL https://sing-box.app/rpm-install.sh)
+  elif command -v pacman &>/dev/null; then
+    echo "检测到 Arch Linux，使用官方 arch 安装脚本..."
+    bash <(curl -fsSL https://sing-box.app/arch-install.sh)
+  else
+    echo "无法识别发行版，请手动安装 Sing-box 内核" >&2
+    exit 1
+  fi
+  BIN_PATH=$(command -v $BIN_NAME)
+  [[ -z "$BIN_PATH" ]] && {
+    echo "未找到 $BIN_NAME，可执行文件路径异常，请检查安装" >&2
+    exit 1
+  }
+  echo "已安装 $BIN_NAME 版本：$($BIN_PATH version | head -n1)"
+
+  # 2. 生成 UUID / Reality 密钥 / ShortID / uTLS
+  UUID=$($BIN_PATH generate uuid)
+  KEY_OUTPUT=$($BIN_PATH generate reality-keypair)
+  PRIVATE_KEY=$(echo "$KEY_OUTPUT" | awk -F': ' '/PrivateKey/ {print $2}')
+  PUB_KEY=$(echo "$KEY_OUTPUT" | awk -F': ' '/PublicKey/ {print $2}')
+  SHORT_ID=$(openssl rand -hex 8)
+  FP="chrome"
+  SERVER_IP=$(curl -s https://ifconfig.me)
+  PORT=443
+  SPX="/"
+
+  # 写入配置和状态
+  mkdir -p "$CONFIG_DIR"
+  cat >"$CONFIG_DIR/config.json" <<EOF
 {
-  "log": { "level": "info" },
-  "dns": { "servers": [{ "address": "tls://8.8.8.8" }] },
-  "inbounds": [
-    {
-      "type": "vless",
-      "tag": "VLESSReality",
-      "listen": "::",
-      "listen_port": 443,
-      "users": [
-        { "name": "$NAME", "uuid": "$UUID", "flow": "xtls-rprx-vision" }
-      ],
-      "tls": {
-        "enabled": true,
-        "server_name": "s0.awsstatic.com",
-        "reality": {
-          "enabled": true,
-          "handshake": { "server": "s0.awsstatic.com", "server_port": 443 },
-          "private_key": "$PRIVATE_KEY",
-          "short_id": ["$SHORT_ID"]
-        }
-      }
-    }
-  ],
-  "outbounds": [ { "type": "direct" }, { "type": "dns", "tag": "dns-out" } ],
-  "route": { "rules": [ { "protocol": "dns", "outbound": "dns-out" } ] }
+  "log": {"level": "info"},
+  "dns": {"servers": [{"address": "tls://8.8.8.8"}]},
+  "inbounds": [{
+    "type": "vless",
+    "tag": "VLESSReality",
+    "listen": "::",
+    "listen_port": 443,
+    "users": [{"name":"$NAME","uuid":"$UUID","flow":"xtls-rprx-vision"}],
+    "tls": {"enabled":true,"server_name":"$SNI","reality":{
+      "enabled":true,
+      "handshake":{"server":"$SNI","server_port":443},
+      "private_key":"$PRIVATE_KEY",
+      "short_id":["$SHORT_ID"]
+    }}
+  }],
+  "outbounds":[{"type":"direct"},{"type":"dns","tag":"dns-out"}],
+  "route":{"rules":[{"protocol":"dns","outbound":"dns-out"}]}
 }
 EOF
-echo "配置已写入：$CONFIG_DIR/config.json"
-### 4. 创建 Systemd 服务 ###
-SERVICE_FILE=/etc/systemd/system/sing-box.service
-cat > "$SERVICE_FILE" <<EOF
+  cat >"$STATE_FILE" <<EOF
+NAME="$NAME"
+SNI="$SNI"
+UUID="$UUID"
+PUB_KEY="$PUB_KEY"
+SHORT_ID="$SHORT_ID"
+FP="$FP"
+SERVER_IP="$SERVER_IP"
+PORT="$PORT"
+SPX="$SPX"
+EOF
+
+  # 4. 创建并启动 Systemd 服务
+  cat >"$SERVICE_FILE" <<EOF
 [Unit]
 Description=sing-box service
 After=network.target
@@ -84,16 +99,74 @@ LimitNOFILE=65536
 [Install]
 WantedBy=multi-user.target
 EOF
-# 重载并启动
-systemctl daemon-reload
-systemctl enable sing-box.service
-systemctl restart sing-box.service
-echo "服务状态："
-systemctl status sing-box.service --no-pager
-### 5. 输出最终 VLESS Reality 链接 ###
-SERVER_IP=$(curl -s https://ifconfig.me)
-PORT=443
-SNI="s0.awsstatic.com"
-SPX="/"
-LINK="vless://${UUID}@${SERVER_IP}:${PORT}?security=reality&sni=${SNI}&fp=${FP}&pbk=${PUB_KEY}&sid=${SHORT_ID}&spx=${SPX}&type=tcp&flow=xtls-rprx-vision&encryption=none#${NAME}"
-echo -e "\n====== 您的 VLESS Reality 链接 ======\n$LINK\n"
\ No newline at end of file
+  systemctl daemon-reload
+  systemctl enable sing-box.service
+  systemctl restart sing-box.service
+  echo "安装并启动完成。"
+}
+
+# 函数：显示服务状态
+status_singbox() {
+  if systemctl list-units --full -all | grep -q sing-box.service; then
+    systemctl status sing-box.service --no-pager
+  else
+    echo "服务未安装。"
+  fi
+}
+
+# 函数：显示 VLESS Reality 链接
+show_link() {
+  [[ -f "$STATE_FILE" ]] || {
+    echo "未找到状态文件，请先安装。"
+    return
+  }
+  source "$STATE_FILE"
+  LINK="vless://${UUID}@${SERVER_IP}:${PORT}?security=reality&sni=${SNI}&fp=${FP}&pbk=${PUB_KEY}&sid=${SHORT_ID}&spx=${SPX}&type=tcp&flow=xtls-rprx-vision&encryption=none#${NAME}"
+  echo -e "\n====== 您的 VLESS Reality 链接 ======\n$LINK\n"
+}
+
+# 函数：卸载 Sing-box
+uninstall_singbox() {
+  if systemctl list-units --full -all | grep -q sing-box.service; then
+    systemctl stop sing-box.service
+    systemctl disable sing-box.service
+    rm -f "$SERVICE_FILE"
+    rm -rf "$CONFIG_DIR"
+    echo "卸载完成：已移除配置和服务。"
+  else
+    echo "服务未安装，无需卸载。"
+  fi
+}
+
+# 函数：重新安装
+reinstall_singbox() {
+  uninstall_singbox
+  install_singbox
+}
+
+# 菜单主循环
+while true; do
+  cat <<EOF
+请选择操作：
+ 1) 安装 Sing-box 并生成配置
+ 2) 查看服务状态
+ 3) 显示 VLESS Reality 链接
+ 4) 卸载 Sing-box
+ 5) 重新安装 Sing-box
+ 6) 退出
+EOF
+  read -rp "输入数字 [1-6]: " choice
+  case "$choice" in
+  1) install_singbox ;;
+  2) status_singbox ;;
+  3) show_link ;;
+  4) uninstall_singbox ;;
+  5) reinstall_singbox ;;
+  6)
+    echo "退出。"
+    exit 0
+    ;;
+  *) echo "无效选项，请重试。" ;;
+  esac
+done
+