diff --git a/src/ProChat/demos/control.tsx b/src/ProChat/demos/control.tsx
index 96df0b7..cb6dcda 100644
--- a/src/ProChat/demos/control.tsx
+++ b/src/ProChat/demos/control.tsx
@@ -4,11 +4,74 @@
 import { ChatMessage, ProChat } from '@ant-design/pro-chat';
 
 import { useTheme } from 'antd-style';
-import { useState } from 'react';
-
 import { example } from '../mocks/basic';
 import { MockResponse } from '../mocks/streamResponse';
 
+import { Button } from 'antd';
+import { useEffect, useState } from 'react';
+
+const SpeechToText = () => {
+  const [isListening, setIsListening] = useState(false);
+  const [transcript, setTranscript] = useState('');
+
+  useEffect(() => {
+    const speechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
+    if (!speechRecognition) {
+      alert('Sorry, your browser does not support Speech Recognition.');
+      return;
+    }
+
+    const recognition = new speechRecognition();
+    recognition.continuous = true; // Keep listening even after voice stops
+    recognition.interimResults = true; // Show interim results
+    recognition.lang = 'zh-CN'; // Set the language of the recognizer
+
+    recognition.onstart = () => {
+      console.log('Voice recognition started');
+    };
+
+    recognition.onresult = (event) => {
+      console.log('event', event);
+
+      for (let i = event.resultIndex; i < event.results.length; ++i) {
+        if (event.results[i].isFinal) {
+          setTranscript((transcript) => transcript + event.results[i][0].transcript + ' ');
+        }
+      }
+    };
+
+    recognition.onerror = (event) => {
+      console.error('Voice recognition error', event.error);
+    };
+
+    recognition.onend = () => {
+      console.log('Voice recognition ended');
+      setIsListening(false);
+    };
+
+    if (isListening) {
+      recognition.start();
+    } else {
+      recognition.stop();
+    }
+
+    // Clean up function
+    return () => {
+      recognition.stop();
+    };
+  }, [isListening]);
+
+  return (
+    <div>
+      <h1>Speech to Text Conversion</h1>
+      <Button onClick={() => setIsListening((prevState) => !prevState)}>
+        {isListening ? 'Stop Listening' : 'Start Listening'}
+      </Button>
+      <p>{transcript}</p>
+    </div>
+  );
+};
+
 export default () => {
   const theme = useTheme();
 
@@ -16,6 +79,7 @@ export default () => {
 
   return (
     <div style={{ background: theme.colorBgLayout }}>
+      <SpeechToText />
       <ProChat
         chats={chats}
         onChatsChange={(chats) => {