diff --git a/android/app/src/main/java/com/example/ai_chat_assistant/MainActivity.java b/android/app/src/main/java/com/example/ai_chat_assistant/MainActivity.java
index 588d004..f9976c7 100644
--- a/android/app/src/main/java/com/example/ai_chat_assistant/MainActivity.java
+++ b/android/app/src/main/java/com/example/ai_chat_assistant/MainActivity.java
@@ -6,11 +6,13 @@ import android.util.Log;
 import io.flutter.embedding.android.FlutterActivity;
 import io.flutter.embedding.engine.FlutterEngine;
 import io.flutter.plugin.common.MethodChannel;
+
 import com.alibaba.fastjson.JSONException;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.idst.nui.Constants;
 import com.alibaba.idst.nui.INativeStreamInputTtsCallback;
 import com.alibaba.idst.nui.NativeNui;
+import com.example.ai_chat_assistant.token.AccessToken;
 
 import java.util.Map;
 
@@ -18,7 +20,8 @@ public class MainActivity extends FlutterActivity {
     private static final String CHANNEL = "com.example.ai_chat_assistant/tts";
     private static final String TAG = "StreamInputTts";
     private static final String APP_KEY = "bXFFc1V65iYbW6EF";
-    private static final String TOKEN = "9ae5be92a9fa4fb3ac9bcd56eba69437";
+    private static final String ACCESS_KEY = "LTAI5t71JHxXRvt2mGuEVz9X";
+    private static final String ACCESS_KEY_SECRET = "WQOUWvngxmCg4CxIG0qkSlkcH5hrVT";
     private static final String URL = "wss://nls-gateway-cn-beijing.aliyuncs.com/ws/v1";
 
     private final NativeNui streamInputTtsInstance = new NativeNui(Constants.ModeType.MODE_STREAM_INPUT_TTS);
@@ -44,21 +47,25 @@ public class MainActivity extends FlutterActivity {
 
         new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)
                 .setMethodCallHandler((call, result) -> {
+                    Map<String, Object> args = (Map<String, Object>) call.arguments;
                     switch (call.method) {
-                        case "startTts":
-                            boolean isSuccess = startTts();
+                        case "start":
+                            Object isChinese = args.get("isChinese");
+                            if (isChinese == null || isChinese.toString().isBlank()) {
+                                return;
+                            }
+                            boolean isSuccess = start(Boolean.parseBoolean(isChinese.toString()));
                             result.success(isSuccess);
                             break;
-                        case "sendTts":
-                            Map<String, Object> args = (Map<String, Object>) call.arguments;
+                        case "send":
                             Object textArg = args.get("text");
                             if (textArg == null || textArg.toString().isBlank()) {
                                 return;
                             }
-                            sendTts(textArg.toString());
+                            send(textArg.toString());
                             break;
-                        case "stopTts":
-                            stopTts();
+                        case "stop":
+                            stop();
                             result.success("已停止");
                             break;
                         default:
@@ -81,7 +88,7 @@ public class MainActivity extends FlutterActivity {
         streamInputTtsInstance.stopStreamInputTts();
     }
 
-    private boolean startTts() {
+    private boolean start(boolean isChinese) {
         int ret = streamInputTtsInstance.startStreamInputTts(new INativeStreamInputTtsCallback() {
             @Override
             public void onStreamInputTtsEventCallback(INativeStreamInputTtsCallback.StreamInputTtsEvent event, String task_id, String session_id, int ret_code, String error_msg, String timestamp, String all_response) {
@@ -117,13 +124,7 @@ public class MainActivity extends FlutterActivity {
                     mAudioTrack.setAudioData(data);
                 }
             }
-
-            @Override
-            public void onStreamInputTtsLogTrackCallback(Constants.LogLevel level, String log) {
-                Log.i(TAG, "onStreamInputTtsLogTrackCallback log level:" + level + ", message -> " + log);
-            }
-        }, genTicket(), genParameters(), "", Constants.LogLevel.toInt(Constants.LogLevel.LOG_LEVEL_VERBOSE), true);
-
+        }, genTicket(), genParameters(isChinese), "", Constants.LogLevel.toInt(Constants.LogLevel.LOG_LEVEL_NONE), false);
         if (Constants.NuiResultCode.SUCCESS != ret) {
             Log.i(TAG, "start tts failed " + ret);
             return false;
@@ -132,11 +133,11 @@ public class MainActivity extends FlutterActivity {
         }
     }
 
-    private void sendTts(String text) {
+    private void send(String text) {
         streamInputTtsInstance.sendStreamInputTts(text);
     }
 
-    private void stopTts() {
+    private void stop() {
         streamInputTtsInstance.cancelStreamInputTts();
         mAudioTrack.stop();
     }
@@ -144,20 +145,16 @@ public class MainActivity extends FlutterActivity {
     private String genTicket() {
         String str = "";
         try {
-            //获取账号访问凭证：
-            Auth.GetTicketMethod method = Auth.GetTicketMethod.GET_TOKEN_IN_CLIENT_FOR_ONLINE_FEATURES;
+            Auth.GetTicketMethod method = Auth.GetTicketMethod.GET_ACCESS_IN_CLIENT_FOR_ONLINE_FEATURES;
             Auth.setAppKey(APP_KEY);
-            Auth.setToken(TOKEN);
+            Auth.setAccessKey(ACCESS_KEY);
+            Auth.setAccessKeySecret(ACCESS_KEY_SECRET);
             Log.i(TAG, "Use method:" + method);
             JSONObject object = Auth.getTicket(method);
             if (!object.containsKey("token") && !object.containsKey("sts_token")) {
                 Log.e(TAG, "Cannot get token or sts_token!!!");
             }
             object.put("url", URL);
-
-            //过滤SDK内部日志通过回调送回到用户层
-            object.put("log_track_level", String.valueOf(Constants.LogLevel.toInt(Constants.LogLevel.LOG_LEVEL_INFO)));
-
             str = object.toString();
         } catch (JSONException e) {
             e.printStackTrace();
@@ -166,15 +163,14 @@ public class MainActivity extends FlutterActivity {
         return str;
     }
 
-    private String genParameters() {
+    private String genParameters(boolean isChinese) {
         String str = "";
         try {
             JSONObject object = new JSONObject();
-            object.put("enable_subtitle", true);
-            object.put("voice", "zhixiaoxia");
+            object.put("voice", isChinese ? "zhimiao_emo" : "beth");
             object.put("format", "pcm");
             object.put("sample_rate", 16000);
-            object.put("volume", 50);
+            object.put("volume", 100);
             object.put("speech_rate", 0);
             object.put("pitch_rate", 0);
             str = object.toString();
diff --git a/lib/services/chat_sse_service.dart b/lib/services/chat_sse_service.dart
index cb24242..8f52997 100644
--- a/lib/services/chat_sse_service.dart
+++ b/lib/services/chat_sse_service.dart
@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 
+import 'package:ai_chat_assistant/utils/tts_util.dart';
 import 'package:flutter/services.dart';
 
 import '../utils/common_util.dart';
@@ -16,15 +17,20 @@ class ChatSseService {
   HttpClient? _currentClient;
   HttpClientResponse? _currentResponse;
   bool _isAborted = true;
-  bool isTtsStarted = false;
+  bool _isFirstData = true;
+  bool _isTtsStarted = false;
 
   String? get conversationId => _cachedConversationId;
 
+  Future<void>? _startTtsFuture;
+
   void request({
     required String messageId,
     required String text,
-    required Function(String, String, String, bool) onStreamResponse,
+    required bool isChinese,
+    required Function(String, String, bool) onStreamResponse,
   }) async {
+    print("----------------------SSE Start");
     _isAborted = false;
     if (_cachedUserId == null) {
       _cachedUserId = _generateRandomUserId(6);
@@ -48,25 +54,17 @@ class ChatSseService {
       request.add(utf8.encode(json.encode(body)));
       _currentResponse = await request.close();
       if (_currentResponse!.statusCode == 200) {
-        bool isFirst = true;
+        _startTtsFuture = startTts(isChinese);
         await for (final line in _currentResponse!
             .transform(utf8.decoder)
             .transform(const LineSplitter())) {
           if (_isAborted) {
             break;
           }
-          if (isFirst) {
-            if (!isTtsStarted) {
-              if (await _channel.invokeMethod<bool>("startTts") == true) {
-                isTtsStarted = true;
-              }
-            }
-            isFirst = false;
-          }
           if (line.startsWith('data:')) {
             final jsonStr = line.substring(5).trim();
             if (jsonStr == '[DONE]' || jsonStr.contains('message_end')) {
-              onStreamResponse(messageId, responseText, tempText, true);
+              onStreamResponse(messageId, responseText, true);
               break;
             }
             try {
@@ -81,13 +79,21 @@ class ChatSseService {
                 if (_isAborted) {
                   break;
                 }
-                _channel.invokeMethod("sendTts", {"text": CommonUtil.cleanText(textChunk, true)});
+                tempText += textChunk;
+                int endIndex = _getCompleteTextEndIndex(tempText);
+                String completeText =  CommonUtil.cleanText(tempText.substring(0, endIndex).trim(), true);
+                if (completeText.isNotEmpty) {
+                  if (_isFirstData && _startTtsFuture != null) {
+                    await _startTtsFuture;
+                    _isFirstData = false;
+                  }
+                  print("----------------------Send text: " + completeText);
+                  completeText += isChinese ? '，' : ',';
+                  TtsUtil.send(completeText);
+                }
+                tempText = tempText.substring(endIndex).trim();
                 responseText += textChunk;
-                // tempText += textChunk;
-                // int endIndex = _getCompleteTextEndIndex(tempText);
-                // final completeText = tempText.substring(0, endIndex).trim();
-                // tempText = tempText.substring(endIndex).trim();
-                onStreamResponse(messageId, responseText, "completeText", false);
+                onStreamResponse(messageId, responseText, false);
               }
             } catch (e) {
               print('解析 SSE 数据出错: $e, 原始数据: $jsonStr');
@@ -100,15 +106,22 @@ class ChatSseService {
     } catch (e) {
       // todo
     } finally {
-      isTtsStarted = false;
       resetRequest();
     }
   }
 
+  Future<void> startTts(bool isChinese) async {
+    print("----------------------TTS Start");
+    if (!_isTtsStarted) {
+      if (await TtsUtil.start(isChinese) == true) {
+        _isTtsStarted = true;
+      }
+    }
+  }
+
   Future<void> abort() async {
     _isAborted = true;
-    _channel.invokeMethod("stopTts");
-    isTtsStarted = false;
+    TtsUtil.stopTts();
     resetRequest();
   }
 
@@ -119,11 +132,13 @@ class ChatSseService {
     _currentClient?.close(force: true);
     _currentClient = null;
     _currentResponse = null;
+    _isFirstData = true;
+    _isTtsStarted = false;
   }
 
   int _getCompleteTextEndIndex(String buffer) {
     // 支持句号、问号、感叹号和换行符作为分割依据
-    final sentenceEnders = RegExp(r'[。！？\n]');
+    final sentenceEnders = RegExp(r'[,!?:，。！？：\n]');
     final matches = sentenceEnders.allMatches(buffer);
     return matches.isEmpty ? 0 : matches.last.end;
   }
diff --git a/lib/services/message_service.dart b/lib/services/message_service.dart
index 5d1627f..6ab5331 100644
--- a/lib/services/message_service.dart
+++ b/lib/services/message_service.dart
@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:ai_chat_assistant/utils/common_util.dart';
+import 'package:ai_chat_assistant/utils/tts_util.dart';
 import 'package:basic_intl/intl.dart';
 import 'package:flutter/foundation.dart';
 import 'package:permission_handler/permission_handler.dart';
@@ -15,7 +16,6 @@ import '../services/classification_service.dart';
 import '../services/control_recognition_service.dart';
 import '../services/audio_recorder_service.dart';
 import '../services/voice_recognition_service.dart';
-import '../services/tts_service.dart';
 import 'command_service.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 
@@ -213,10 +213,11 @@ class MessageService extends ChangeNotifier {
           id: _latestAssistantMessageId!,
           text: vehicleCommandResponse.tips!,
           status: MessageStatus.executing);
-      // if (!_isReplyAborted) {
-      //   _ttsService.pushTextForStreamTTS(vehicleCommandResponse.tips!);
-      //   _ttsService.markSSEStreamCompleted();
-      // }
+      if (!_isReplyAborted) {
+        if (await TtsUtil.start(isChinese) == true) {
+          TtsUtil.send(vehicleCommandResponse.tips!);
+        }
+      }
       bool containOpenAC = false;
       for (var command in vehicleCommandResponse.commands) {
         if (_isReplyAborted) {
@@ -309,6 +310,7 @@ class MessageService extends ChangeNotifier {
     _chatSseService.request(
       messageId: _latestAssistantMessageId!,
       text: text,
+      isChinese: isChinese,
       onStreamResponse: handleStreamResponse,
     );
   }
@@ -325,26 +327,18 @@ class MessageService extends ChangeNotifier {
         status: MessageStatus.normal);
   }
 
-  void handleStreamResponse(String messageId, String responseText,
-      String completeText, bool isComplete) {
+  void handleStreamResponse(String messageId, String responseText, bool isComplete) {
     if (_isReplyAborted) {
       return;
     }
     try {
       if (isComplete) {
-        // if (completeText.isNotEmpty) {
-        //   _ttsService.pushTextForStreamTTS(completeText);
-        // }
-        // _ttsService.markSSEStreamCompleted();
         replaceMessage(
           id: messageId,
           text: responseText,
           status: MessageStatus.completed,
         );
       } else {
-        // if (completeText.isNotEmpty) {
-        //   _ttsService.pushTextForStreamTTS(completeText);
-        // }
         replaceMessage(
             id: messageId, text: responseText, status: MessageStatus.thinking);
       }
@@ -355,7 +349,6 @@ class MessageService extends ChangeNotifier {
 
   Future<void> abortReply() async {
     _isReplyAborted = true;
-    // _ttsService.stop();
     _chatSseService.abort();
     int index = findMessageIndexById(_latestAssistantMessageId);
     if (index == -1 || messages[index].status != MessageStatus.thinking) {
diff --git a/lib/utils/tts_util.dart b/lib/utils/tts_util.dart
new file mode 100644
index 0000000..ba4d842
--- /dev/null
+++ b/lib/utils/tts_util.dart
@@ -0,0 +1,23 @@
+import 'package:flutter/services.dart';
+
+class TtsUtil {
+  static const MethodChannel _channel =
+      MethodChannel('com.example.ai_chat_assistant/tts');
+
+  static Future<T?> execute<T>(String method,
+      [Map<Object, Object>? arguments]) {
+    return _channel.invokeMethod(method, arguments);
+  }
+
+  static Future<bool> start(bool isChinese) async {
+    return await execute('start', {'isChinese': isChinese});
+  }
+
+  static Future<void> send(String text) async {
+    await execute('send', {'text': text});
+  }
+
+  static Future<void> stopTts() async {
+    await execute('stop');
+  }
+}