diff --git a/demo/simple/.gitignore b/demo/simple/.gitignore
new file mode 100644
index 0000000..7d41001
--- /dev/null
+++ b/demo/simple/.gitignore
@@ -0,0 +1 @@
+pem
\ No newline at end of file
diff --git a/demo/simple/src/cert/index.ts b/demo/simple/src/cert/index.ts
new file mode 100644
index 0000000..b28f878
--- /dev/null
+++ b/demo/simple/src/cert/index.ts
@@ -0,0 +1,19 @@
+import { createCert } from '@kevisual/router/src/sign.ts';
+import fs from 'node:fs';
+
+const cert = createCert();
+
+fs.writeFileSync('pem/https-private-key.pem', cert.key);
+fs.writeFileSync('pem/https-cert.pem', cert.cert);
+fs.writeFileSync(
+  'pem/https-config.json',
+  JSON.stringify(
+    {
+      createTime: new Date().getTime(),
+      expireDate: new Date(Date.now() + 365 * 24 * 60 * 60 * 1000).getTime(),
+      expireTime: new Date(Date.now() + 365 * 24 * 60 * 60 * 1000).toISOString(),
+    },
+    null,
+    2,
+  ),
+);
diff --git a/src/sign.ts b/src/sign.ts
index d07ed24..bace63e 100644
--- a/src/sign.ts
+++ b/src/sign.ts
@@ -1,28 +1,33 @@
 import { generate } from 'selfsigned';
 
-type Attributes = {
+export type Attributes = {
   name: string;
   value: string;
 };
-type AltNames = {
+export type AltNames = {
   type: number;
   value?: string;
   ip?: string;
 };
 export const createCert = (attrs: Attributes[] = [], altNames: AltNames[] = []) => {
   let attributes = [
-    { name: 'commonName', value: '*' }, // 通配符域名
     { name: 'countryName', value: 'CN' }, // 国家代码
     { name: 'stateOrProvinceName', value: 'ZheJiang' }, // 州名
-    { name: 'localityName', value: 'Hangzhou' }, // 城市名
-    { name: 'organizationName', value: 'Envision' }, // 组织名
-    { name: 'organizationalUnitName', value: 'IT' }, // 组织单位
+    { name: 'localityName', value: 'HangZhou' }, // 城市名
+    { name: 'organizationName', value: 'Kevisual' }, // 组织名
+    { name: 'organizationalUnitName', value: 'ev' }, // 组织单位
     ...attrs,
   ];
   // attribute 根据name去重复, 后面的覆盖前面的
-  attributes = attributes.filter((item, index, self) => {
-    return self.findIndex((t) => t.name === item.name) === index;
-  });
+  attributes = Object.values(
+    attributes.reduce(
+      (acc, attr) => ({
+        ...acc,
+        [attr.name]: attr,
+      }),
+      {} as Record<string, Attributes>,
+    ),
+  );
 
   const options = {
     days: 365, // 证书有效期（天）
@@ -32,6 +37,14 @@ export const createCert = (attrs: Attributes[] = [], altNames: AltNames[] = [])
         altNames: [
           { type: 2, value: '*' }, // DNS 名称
           { type: 2, value: 'localhost' }, // DNS
+          {
+            type: 2,
+            value: '[::1]',
+          },
+          {
+            type: 7,
+            ip: 'fe80::1',
+          },
           { type: 7, ip: '127.0.0.1' }, // IP 地址
           ...altNames,
         ],