diff --git a/src/HttpClient.ts b/src/HttpClient.ts
index 6fd1f1b0..ac865067 100644
--- a/src/HttpClient.ts
+++ b/src/HttpClient.ts
@@ -24,7 +24,7 @@ import {
   getGlobalDispatcher,
   Pool,
 } from 'undici';
-import { kClients } from 'undici/lib/core/symbols.js';
+import undiciSymbols from 'undici/lib/core/symbols.js';
 import { FormData as FormDataNode } from 'formdata-node';
 import { FormDataEncoder } from 'form-data-encoder';
 import createUserAgent from 'default-user-agent';
@@ -206,7 +206,7 @@ export class HttpClient extends EventEmitter {
   getDispatcherPoolStats() {
     const agent = this.getDispatcher();
     // origin => Pool Instance
-    const clients: Map<string, WeakRef<Pool>> = agent[kClients];
+    const clients: Map<string, WeakRef<Pool>> = agent[undiciSymbols.kClients];
     const poolStatsMap: Record<string, PoolStat> = {};
     for (const [ key, ref ] of clients) {
       const pool = ref.deref();
@@ -228,7 +228,7 @@ export class HttpClient extends EventEmitter {
     return await this.#requestInternal<T>(url, options);
   }
 
-  // alias to request, keep compatible with urlib@2 HttpClient.curl
+  // alias to request, keep compatible with urllib@2 HttpClient.curl
   async curl<T = any>(url: RequestURL, options?: RequestOptions) {
     return await this.request<T>(url, options);
   }
diff --git a/src/index.ts b/src/index.ts
index bec5316c..cc3cec4d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,24 +3,28 @@ import { HttpClient, HEADER_USER_AGENT } from './HttpClient.js';
 import { RequestOptions, RequestURL } from './Request.js';
 
 let httpClient: HttpClient;
-const domainSocketHttpclients = new LRU(50);
+const domainSocketHttpClients = new LRU(50);
+
+export function getDefaultHttpClient(): HttpClient {
+  if (!httpClient) {
+    httpClient = new HttpClient();
+  }
+  return httpClient;
+}
 
 export async function request<T = any>(url: RequestURL, options?: RequestOptions) {
   if (options?.socketPath) {
-    let domainSocketHttpclient = domainSocketHttpclients.get<HttpClient>(options.socketPath);
+    let domainSocketHttpclient = domainSocketHttpClients.get<HttpClient>(options.socketPath);
     if (!domainSocketHttpclient) {
       domainSocketHttpclient = new HttpClient({
         connect: { socketPath: options.socketPath },
       });
-      domainSocketHttpclients.set(options.socketPath, domainSocketHttpclient);
+      domainSocketHttpClients.set(options.socketPath, domainSocketHttpclient);
     }
     return await domainSocketHttpclient.request<T>(url, options);
   }
 
-  if (!httpClient) {
-    httpClient = new HttpClient({});
-  }
-  return await httpClient.request<T>(url, options);
+  return await getDefaultHttpClient().request<T>(url, options);
 }
 
 // export curl method is keep compatible with urllib.curl()
@@ -36,12 +40,12 @@ export {
   MockAgent, ProxyAgent, Agent, Dispatcher,
   setGlobalDispatcher, getGlobalDispatcher,
 } from 'undici';
-// HttpClient2 is keep compatible with urlib@2 HttpClient2
+// HttpClient2 is keep compatible with urllib@2 HttpClient2
 export {
   HttpClient, HttpClient as HttpClient2, HEADER_USER_AGENT as USER_AGENT,
   RequestDiagnosticsMessage, ResponseDiagnosticsMessage,
 } from './HttpClient.js';
-// RequestOptions2 is keep compatible with urlib@2 RequestOptions2
+// RequestOptions2 is keep compatible with urllib@2 RequestOptions2
 export {
   RequestOptions, RequestOptions as RequestOptions2, RequestURL, HttpMethod,
   FixJSONCtlCharsHandler, FixJSONCtlChars,
diff --git a/test/esm/index.js b/test/esm/index.js
index 5a26442c..095c7100 100644
--- a/test/esm/index.js
+++ b/test/esm/index.js
@@ -1,13 +1,14 @@
 import { strict as assert } from 'assert';
 import * as urllibStar from 'urllib';
 import urllib from 'urllib';
-import { request, HttpClient, USER_AGENT } from 'urllib';
+import { request, HttpClient, USER_AGENT, getDefaultHttpClient } from 'urllib';
 
 console.log(urllibStar);
 console.log(urllibStar.request, urllibStar.HttpClient);
 console.log(urllibStar.request, urllibStar.HttpClient);
 console.log(urllibStar.USER_AGENT, urllib.USER_AGENT, USER_AGENT);
 console.log(request, HttpClient);
+console.log('stats %o', getDefaultHttpClient().getDispatcherPoolStats());
 
 assert(urllibStar);
 assert.equal(typeof urllibStar.request, 'function');
diff --git a/test/index.test.ts b/test/index.test.ts
index 630313f3..b6a6c8ef 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -2,7 +2,7 @@ import { strict as assert } from 'node:assert';
 import { parse as urlparse } from 'node:url';
 import { readFileSync } from 'node:fs';
 import { describe, it, beforeAll, afterAll, afterEach, beforeEach } from 'vitest';
-import urllib, { HttpClient } from '../src';
+import urllib, { HttpClient, getDefaultHttpClient } from '../src';
 import { MockAgent, setGlobalDispatcher, getGlobalDispatcher } from '../src';
 import { startServer } from './fixtures/server';
 import { readableToBytes } from './utils';
@@ -20,6 +20,19 @@ describe('index.test.ts', () => {
     await close();
   });
 
+  describe('getDefaultHttpClient()', () => {
+    it('should work', async () => {
+      const response = await getDefaultHttpClient().request(`${_url}html`);
+      assert.equal(response.status, 200);
+      assert.equal(response.headers['content-type'], 'text/html');
+      assert(response.headers.date);
+      assert.equal(response.url, `${_url}html`);
+      assert(!response.redirected);
+      assert.equal(getDefaultHttpClient(), getDefaultHttpClient());
+      console.log('stats %o', getDefaultHttpClient().getDispatcherPoolStats());
+    });
+  });
+
   describe('urllib.request()', () => {
     it('should work', async () => {
       const response = await urllib.request(`${_url}html`);