diff --git a/check_tiktok.sh b/check_tiktok.sh
new file mode 100644
index 0000000..9b75a2c
--- /dev/null
+++ b/check_tiktok.sh
@@ -0,0 +1,304 @@
+#!/bin/bash
+
+# ============================================================
+#  TikTok 可访问性检测脚本
+#  适用系统: Debian / Ubuntu VPS
+#  作者: Claude
+# ============================================================
+
+# 颜色定义
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+CYAN='\033[0;36m'
+BOLD='\033[1m'
+NC='\033[0m' # No Color
+
+# 超时时间（秒）
+TIMEOUT=10
+
+# 检测目标列表
+declare -A TARGETS=(
+    ["TikTok 主站"]="www.tiktok.com"
+    ["TikTok API"]="api.tiktok.com"
+    ["TikTok 直播"]="live.tiktok.com"
+    ["TikTok 静态资源"]="sf16-website-login.neutral.ttwstatic.com"
+    ["TikTok CDN"]="p16-sign-va.tiktokcdn.com"
+)
+
+# HTTP 检测目标
+declare -A HTTP_TARGETS=(
+    ["TikTok 主站 HTTPS"]="https://www.tiktok.com"
+    ["TikTok m站"]="https://m.tiktok.com"
+)
+
+# ============================================================
+# 工具函数
+# ============================================================
+
+print_banner() {
+    echo ""
+    echo -e "${CYAN}${BOLD}╔══════════════════════════════════════════════╗${NC}"
+    echo -e "${CYAN}${BOLD}║        TikTok 可访问性检测脚本 v1.0         ║${NC}"
+    echo -e "${CYAN}${BOLD}╚══════════════════════════════════════════════╝${NC}"
+    echo ""
+}
+
+print_section() {
+    echo ""
+    echo -e "${BOLD}─── $1 ───────────────────────────────────${NC}"
+}
+
+check_command() {
+    command -v "$1" &>/dev/null
+}
+
+install_tool() {
+    local tool=$1
+    echo -e "${YELLOW}[!] 正在安装 $tool ...${NC}"
+    apt-get install -y "$tool" -qq &>/dev/null
+    if check_command "$tool"; then
+        echo -e "${GREEN}[✓] $tool 安装成功${NC}"
+    else
+        echo -e "${RED}[✗] $tool 安装失败，请手动安装${NC}"
+    fi
+}
+
+check_dependencies() {
+    print_section "环境检查"
+    local missing=()
+
+    for cmd in curl ping dig; do
+        if check_command "$cmd"; then
+            echo -e "  ${GREEN}✓${NC} $cmd 已安装"
+        else
+            echo -e "  ${RED}✗${NC} $cmd 未安装"
+            missing+=("$cmd")
+        fi
+    done
+
+    if [ ${#missing[@]} -gt 0 ]; then
+        echo ""
+        echo -e "${YELLOW}[!] 检测到缺少工具，尝试自动安装...${NC}"
+        if [ "$EUID" -ne 0 ]; then
+            echo -e "${RED}[✗] 需要 root 权限安装依赖，请使用 sudo 运行此脚本${NC}"
+            exit 1
+        fi
+        apt-get update -qq &>/dev/null
+        for tool in "${missing[@]}"; do
+            case "$tool" in
+                dig) install_tool "dnsutils" ;;
+                *)   install_tool "$tool" ;;
+            esac
+        done
+    fi
+}
+
+# ============================================================
+# 检测函数
+# ============================================================
+
+check_dns() {
+    print_section "DNS 解析检测"
+    local pass=0
+    local fail=0
+
+    for name in "${!TARGETS[@]}"; do
+        local domain="${TARGETS[$name]}"
+        local result
+        result=$(dig +short "$domain" 2>/dev/null | head -1)
+
+        if [ -n "$result" ]; then
+            echo -e "  ${GREEN}✓${NC} ${name} (${domain})"
+            echo -e "      解析 IP: ${CYAN}${result}${NC}"
+            ((pass++))
+        else
+            echo -e "  ${RED}✗${NC} ${name} (${domain})"
+            echo -e "      ${RED}DNS 解析失败${NC}"
+            ((fail++))
+        fi
+    done
+
+    echo ""
+    echo -e "  DNS 检测结果: ${GREEN}${pass} 成功${NC} / ${RED}${fail} 失败${NC}"
+    return $fail
+}
+
+check_ping() {
+    print_section "PING 连通性检测"
+    local pass=0
+    local fail=0
+
+    for name in "${!TARGETS[@]}"; do
+        local domain="${TARGETS[$name]}"
+        local result
+        result=$(ping -c 3 -W "$TIMEOUT" "$domain" 2>/dev/null | tail -1)
+
+        if echo "$result" | grep -qE "min/avg/max"; then
+            local avg
+            avg=$(echo "$result" | awk -F'/' '{print $5}')
+            echo -e "  ${GREEN}✓${NC} ${name}"
+            echo -e "      平均延迟: ${CYAN}${avg} ms${NC}"
+            ((pass++))
+        else
+            echo -e "  ${RED}✗${NC} ${name} (${domain}) — ${RED}PING 超时或不可达${NC}"
+            ((fail++))
+        fi
+    done
+
+    echo ""
+    echo -e "  PING 检测结果: ${GREEN}${pass} 成功${NC} / ${RED}${fail} 失败${NC}"
+    return $fail
+}
+
+check_http() {
+    print_section "HTTP/HTTPS 访问检测"
+    local pass=0
+    local fail=0
+
+    for name in "${!HTTP_TARGETS[@]}"; do
+        local url="${HTTP_TARGETS[$name]}"
+        local http_code
+        local time_total
+
+        http_code=$(curl -o /dev/null -s -w "%{http_code}" \
+            --max-time "$TIMEOUT" \
+            --connect-timeout 5 \
+            -L \
+            -A "Mozilla/5.0 (Linux x86_64) AppleWebKit/537.36" \
+            "$url" 2>/dev/null)
+
+        time_total=$(curl -o /dev/null -s -w "%{time_total}" \
+            --max-time "$TIMEOUT" \
+            --connect-timeout 5 \
+            -L \
+            -A "Mozilla/5.0 (Linux x86_64) AppleWebKit/537.36" \
+            "$url" 2>/dev/null)
+
+        if [[ "$http_code" =~ ^(200|301|302|303|307|308)$ ]]; then
+            echo -e "  ${GREEN}✓${NC} ${name}"
+            echo -e "      HTTP 状态码: ${CYAN}${http_code}${NC}  响应时间: ${CYAN}${time_total}s${NC}"
+            ((pass++))
+        elif [[ "$http_code" == "000" ]]; then
+            echo -e "  ${RED}✗${NC} ${name}"
+            echo -e "      ${RED}连接失败 (超时或被拦截)${NC}"
+            ((fail++))
+        else
+            echo -e "  ${YELLOW}~${NC} ${name}"
+            echo -e "      HTTP 状态码: ${YELLOW}${http_code}${NC} (可能受限)"
+            ((fail++))
+        fi
+    done
+
+    echo ""
+    echo -e "  HTTP 检测结果: ${GREEN}${pass} 成功${NC} / ${RED}${fail} 失败${NC}"
+    return $fail
+}
+
+check_tcp_port() {
+    print_section "TCP 端口检测 (443/HTTPS)"
+    local pass=0
+    local fail=0
+
+    for name in "${!TARGETS[@]}"; do
+        local domain="${TARGETS[$name]}"
+        if timeout "$TIMEOUT" bash -c "echo >/dev/tcp/${domain}/443" 2>/dev/null; then
+            echo -e "  ${GREEN}✓${NC} ${name}:443 — ${GREEN}端口开放${NC}"
+            ((pass++))
+        else
+            echo -e "  ${RED}✗${NC} ${name}:443 — ${RED}端口不可达${NC}"
+            ((fail++))
+        fi
+    done
+
+    echo ""
+    echo -e "  TCP 检测结果: ${GREEN}${pass} 成功${NC} / ${RED}${fail} 失败${NC}"
+    return $fail
+}
+
+check_ip_info() {
+    print_section "本机出口 IP 信息"
+    local ip
+    ip=$(curl -s --max-time 5 https://api.ipify.org 2>/dev/null)
+
+    if [ -n "$ip" ]; then
+        echo -e "  出口 IP: ${CYAN}${BOLD}${ip}${NC}"
+
+        local geo
+        geo=$(curl -s --max-time 5 "https://ipapi.co/${ip}/json/" 2>/dev/null)
+
+        if [ -n "$geo" ]; then
+            local country city org
+            country=$(echo "$geo" | grep -o '"country_name": *"[^"]*"' | cut -d'"' -f4)
+            city=$(echo "$geo" | grep -o '"city": *"[^"]*"' | cut -d'"' -f4)
+            org=$(echo "$geo" | grep -o '"org": *"[^"]*"' | cut -d'"' -f4)
+            echo -e "  归属地:  ${CYAN}${country} ${city}${NC}"
+            echo -e "  运营商:  ${CYAN}${org}${NC}"
+
+            # TikTok 封锁国家提示
+            local blocked_countries=("CN" "IR" "IN")
+            local country_code
+            country_code=$(echo "$geo" | grep -o '"country_code": *"[^"]*"' | cut -d'"' -f4)
+            for bc in "${blocked_countries[@]}"; do
+                if [ "$country_code" == "$bc" ]; then
+                    echo ""
+                    echo -e "  ${RED}⚠ 警告: 当前 IP 归属地 (${country}) 可能受 TikTok 地区限制${NC}"
+                fi
+            done
+        fi
+    else
+        echo -e "  ${RED}✗ 无法获取出口 IP${NC}"
+    fi
+}
+
+print_summary() {
+    local dns_fail=$1
+    local ping_fail=$2
+    local http_fail=$3
+    local tcp_fail=$4
+
+    print_section "综合判断"
+
+    local total_fail=$((dns_fail + http_fail + tcp_fail))
+
+    if [ "$total_fail" -eq 0 ]; then
+        echo -e "  ${GREEN}${BOLD}✅ TikTok 可正常访问！${NC}"
+        echo -e "  DNS 解析、HTTP 请求、TCP 端口均通过检测。"
+    elif [ "$http_fail" -eq 0 ] && [ "$dns_fail" -eq 0 ]; then
+        echo -e "  ${GREEN}${BOLD}✅ TikTok 基本可访问${NC}"
+        echo -e "  HTTP/DNS 检测通过，部分节点可能有延迟。"
+    elif [ "$dns_fail" -gt 0 ] && [ "$http_fail" -gt 0 ]; then
+        echo -e "  ${RED}${BOLD}❌ TikTok 无法访问${NC}"
+        echo -e "  DNS 和 HTTP 均检测失败，IP 可能被封锁或地区受限。"
+    else
+        echo -e "  ${YELLOW}${BOLD}⚠  TikTok 访问受限${NC}"
+        echo -e "  部分检测项失败，访问可能不稳定。"
+    fi
+
+    echo ""
+    echo -e "  检测时间: $(date '+%Y-%m-%d %H:%M:%S %Z')"
+    echo ""
+    echo -e "${CYAN}${BOLD}══════════════════════════════════════════════════${NC}"
+    echo ""
+}
+
+# ============================================================
+# 主流程
+# ============================================================
+
+main() {
+    print_banner
+    check_dependencies
+    check_ip_info
+    check_dns
+    local dns_fail=$?
+    check_tcp_port
+    local tcp_fail=$?
+    check_http
+    local http_fail=$?
+    check_ping
+    local ping_fail=$?
+    print_summary "$dns_fail" "$ping_fail" "$http_fail" "$tcp_fail"
+}
+
+main "$@"