diff --git a/install_shadowsocks.sh b/install_shadowsocks.sh
new file mode 100644
index 0000000..017500e
--- /dev/null
+++ b/install_shadowsocks.sh
@@ -0,0 +1,78 @@
+#!/bin/bash
+# ================================================
+# Shadowsocks-libev 一键安装脚本 (Debian)
+# ================================================
+
+set -e
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+CYAN='\033[0;36m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+info()    { echo -e "${CYAN}[INFO]${NC}  $1"; }
+success() { echo -e "${GREEN}[OK]${NC}    $1"; }
+error()   { echo -e "${RED}[ERROR]${NC} $1"; exit 1; }
+
+[[ $EUID -ne 0 ]] && error "请使用 root 用户或 sudo 运行此脚本"
+
+# -------- 安装 --------
+info "更新软件包列表..."
+apt update -y
+
+info "安装 shadowsocks-libev..."
+apt install -y shadowsocks-libev
+success "安装完成"
+
+# -------- 写入固定配置 --------
+info "写入配置文件..."
+cat > /etc/shadowsocks-libev/config.json <<'EOF'
+{
+    "server":"0.0.0.0",
+    "server_port":10222,
+    "password":"1e83451e-48d3-4c34-ba88-3e59f52c8ea5",
+    "timeout":300,
+    "method":"chacha20-ietf-poly1305",
+    "mode":"tcp_and_udp",
+    "fast_open":true,
+    "reuse_port":true,
+    "no_delay":true
+}
+EOF
+success "配置文件写入完成"
+
+# -------- TCP Fast Open --------
+info "开启 TCP Fast Open..."
+echo 3 > /proc/sys/net/ipv4/tcp_fastopen 2>/dev/null || true
+grep -q "tcp_fastopen" /etc/sysctl.conf 2>/dev/null \
+    || echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
+
+# -------- 启动服务 --------
+info "启动服务并设置开机自启..."
+systemctl enable shadowsocks-libev
+systemctl restart shadowsocks-libev
+
+sleep 1
+if systemctl is-active --quiet shadowsocks-libev; then
+    success "服务运行正常 ✓"
+else
+    error "服务启动失败，请运行: journalctl -u shadowsocks-libev -n 50"
+fi
+
+# -------- 完成提示 --------
+SERVER_IP=$(curl -s --max-time 5 https://api.ipify.org 2>/dev/null || hostname -I | awk '{print $1}')
+
+echo ""
+echo -e "${GREEN}================================================${NC}"
+echo -e "${GREEN}   Shadowsocks-libev 部署完成！${NC}"
+echo -e "${GREEN}================================================${NC}"
+echo -e "  服务器地址  : ${CYAN}${SERVER_IP}${NC}"
+echo -e "  端口        : ${CYAN}10222${NC}"
+echo -e "  密码        : ${CYAN}1e83451e-48d3-4c34-ba88-3e59f52c8ea5${NC}"
+echo -e "  加密方式    : ${CYAN}chacha20-ietf-poly1305${NC}"
+echo -e "  模式        : ${CYAN}TCP + UDP${NC}"
+echo -e "${GREEN}================================================${NC}"
+echo ""
+echo -e "查看服务状态：${YELLOW}systemctl status shadowsocks-libev${NC}"
+echo -e "查看实时日志：${YELLOW}journalctl -u shadowsocks-libev -f${NC}"