diff --git a/src/module/html/stat/index.ts b/src/module/html/stat/index.ts
new file mode 100644
index 0000000..dec2409
--- /dev/null
+++ b/src/module/html/stat/index.ts
@@ -0,0 +1,11 @@
+/**
+ * 添加统计脚本
+ * @param html
+ * @returns
+ */
+export const addStat = (html: string) => {
+  return html.replace(
+    '</head>',
+    `<script defer src="https://umami.xiongxiao.me/script.js" data-website-id="79e7aa98-9e6e-4eef-bc8b-9cbd0ecb11c3"></script></head>`,
+  );
+};
diff --git a/src/module/index.ts b/src/module/index.ts
index 581823f..ae4c3e9 100644
--- a/src/module/index.ts
+++ b/src/module/index.ts
@@ -1,4 +1,4 @@
-import { getDNS, isLocalhost } from '@/utils/dns.ts';
+import { getDNS, isIpv4OrIpv6, isLocalhost } from '@/utils/dns.ts';
 import http from 'http';
 import { UserApp } from './get-user-app.ts';
 import { config, fileStore } from '../module/config.ts';
@@ -104,6 +104,13 @@ export const handleRequest = async (req: http.IncomingMessage, res: http.ServerR
     // app = 'codeflow';
     // domainApp = true;
   } else {
+    if (isIpv4OrIpv6(dns.hostName)) {
+      // 打印出 req.url 和错误信息
+      console.error('Invalid domain: ', req.url, dns.hostName);
+      res.writeHead(404, { 'Content-Type': 'text/plain' });
+      res.end('Invalid domain\n');
+      return res.end();
+    }
     // 验证域名
     if (dns.hostName !== domain) {
       // redis获取域名对应的用户和应用
diff --git a/src/utils/dns.ts b/src/utils/dns.ts
index 19f9de6..5891f30 100644
--- a/src/utils/dns.ts
+++ b/src/utils/dns.ts
@@ -9,3 +9,9 @@ export const getDNS = (req: http.IncomingMessage) => {
 export const isLocalhost = (hostName: string) => {
   return hostName.includes('localhost') || hostName.includes('192.168');
 };
+
+export const isIpv4OrIpv6 = (hostName: string) => {
+  const ipv4 = /^(\d{1,3}\.){3}\d{1,3}$/;
+  const ipv6 = /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/;
+  return ipv4.test(hostName) || ipv6.test(hostName);
+};