diff --git a/it0_app/lib/features/agent_call/presentation/pages/voice_test_page.dart b/it0_app/lib/features/agent_call/presentation/pages/voice_test_page.dart
index fd3be39..07724a7 100644
--- a/it0_app/lib/features/agent_call/presentation/pages/voice_test_page.dart
+++ b/it0_app/lib/features/agent_call/presentation/pages/voice_test_page.dart
@@ -1,15 +1,17 @@
 import 'dart:async';
+import 'dart:io';
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:dio/dio.dart';
-import 'package:record/record.dart';
 import 'package:flutter_sound/flutter_sound.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:path/path.dart' as p;
+import 'package:permission_handler/permission_handler.dart';
 import '../../../../core/network/dio_client.dart';
 
 /// Temporary voice I/O test page — TTS + STT + Round-trip.
+/// Uses flutter_sound for both recording and playback.
 class VoiceTestPage extends ConsumerStatefulWidget {
   const VoiceTestPage({super.key});
 
@@ -21,9 +23,10 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
   final _ttsController = TextEditingController(
     text: '你好，我是IT0运维助手。很高兴为您服务！',
   );
-  final _audioPlayer = FlutterSoundPlayer();
-  final _recorder = AudioRecorder();
-  bool _playerInitialized = false;
+  final _player = FlutterSoundPlayer();
+  final _recorder = FlutterSoundRecorder();
+  bool _playerReady = false;
+  bool _recorderReady = false;
 
   String _ttsStatus = '';
   String _sttStatus = '';
@@ -33,8 +36,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
   bool _isRecording = false;
   bool _isSynthesizing = false;
   String _recordMode = ''; // 'stt' or 'rt'
+  String? _recordingPath;
 
-  /// Dio for binary responses (TTS audio).
   Dio get _dioBinary {
     final base = ref.read(dioClientProvider);
     return Dio(BaseOptions(
@@ -46,25 +49,27 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
     ))..interceptors.addAll(base.interceptors);
   }
 
-  /// Dio for JSON responses (STT).
   Dio get _dioJson => ref.read(dioClientProvider);
 
   @override
   void initState() {
     super.initState();
-    _initPlayer();
+    _init();
   }
 
-  Future<void> _initPlayer() async {
-    await _audioPlayer.openPlayer();
-    _playerInitialized = true;
+  Future<void> _init() async {
+    await _player.openPlayer();
+    _playerReady = true;
+    await _recorder.openRecorder();
+    _recorderReady = true;
+    if (mounted) setState(() {});
   }
 
   @override
   void dispose() {
     _ttsController.dispose();
-    if (_playerInitialized) _audioPlayer.closePlayer();
-    _recorder.dispose();
+    if (_playerReady) _player.closePlayer();
+    if (_recorderReady) _recorder.closeRecorder();
     super.dispose();
   }
 
@@ -85,9 +90,10 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
       sw.stop();
       final bytes = resp.data as List<int>;
       setState(() {
-        _ttsStatus = '完成！耗时 ${sw.elapsedMilliseconds}ms，大小 ${(bytes.length / 1024).toStringAsFixed(1)}KB';
+        _ttsStatus =
+            '完成！耗时 ${sw.elapsedMilliseconds}ms，大小 ${(bytes.length / 1024).toStringAsFixed(1)}KB';
       });
-      await _playWavBytes(Uint8List.fromList(bytes));
+      await _playWav(Uint8List.fromList(bytes));
     } catch (e) {
       sw.stop();
       setState(() => _ttsStatus = '错误: $e');
@@ -98,19 +104,26 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
 
   // ---- Recording ----
   Future<void> _startRecording(String mode) async {
-    if (_isRecording) return;
-    final hasPermission = await _recorder.hasPermission();
-    if (!hasPermission) {
+    if (_isRecording || !_recorderReady) return;
+
+    final status = await Permission.microphone.request();
+    if (!status.isGranted) {
       setState(() {
+        final msg = '麦克风权限被拒绝';
         if (mode == 'stt') {
-          _sttStatus = '麦克风权限被拒绝';
+          _sttStatus = msg;
         } else {
-          _rtStatus = '麦克风权限被拒绝';
+          _rtStatus = msg;
         }
       });
       return;
     }
+
+    final dir = await getTemporaryDirectory();
+    _recordingPath = p.join(
+        dir.path, 'voice_test_${DateTime.now().millisecondsSinceEpoch}.wav');
     _recordMode = mode;
+
     setState(() {
       _isRecording = true;
       if (mode == 'stt') {
@@ -121,29 +134,28 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
         _rtResult = '';
       }
     });
-    final dir = await getTemporaryDirectory();
-    final filePath = p.join(dir.path, 'voice_test_${DateTime.now().millisecondsSinceEpoch}.wav');
-    await _recorder.start(
-      const RecordConfig(
-        encoder: AudioEncoder.wav,
-        sampleRate: 16000,
-        numChannels: 1,
-        bitRate: 256000,
-      ),
-      path: filePath,
+
+    await _recorder.startRecorder(
+      toFile: _recordingPath,
+      codec: Codec.pcm16WAV,
+      sampleRate: 16000,
+      numChannels: 1,
     );
   }
 
   Future<void> _stopRecording() async {
-    if (!_isRecording) return;
-    final path = await _recorder.stop();
+    if (!_isRecording || !_recorderReady) return;
+    final path = await _recorder.stopRecorder();
     setState(() => _isRecording = false);
-    if (path == null || path.isEmpty) return;
+
+    final filePath = path ?? _recordingPath;
+    if (filePath == null || filePath.isEmpty) return;
+    if (!File(filePath).existsSync()) return;
 
     if (_recordMode == 'stt') {
-      _doSTT(path);
+      _doSTT(filePath);
     } else {
-      _doRoundTrip(path);
+      _doRoundTrip(filePath);
     }
   }
 
@@ -153,14 +165,17 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
     final sw = Stopwatch()..start();
     try {
       final formData = FormData.fromMap({
-        'audio': await MultipartFile.fromFile(audioPath, filename: 'recording.wav'),
+        'audio':
+            await MultipartFile.fromFile(audioPath, filename: 'recording.wav'),
       });
-      final resp = await _dioJson.post('/api/v1/test/stt/transcribe', data: formData);
+      final resp =
+          await _dioJson.post('/api/v1/test/stt/transcribe', data: formData);
       sw.stop();
       final data = resp.data as Map<String, dynamic>;
       setState(() {
         _sttResult = data['text'] ?? '(empty)';
-        _sttStatus = '完成！耗时 ${sw.elapsedMilliseconds}ms，时长 ${data['duration'] ?? 0}s';
+        _sttStatus =
+            '完成！耗时 ${sw.elapsedMilliseconds}ms，时长 ${data['duration'] ?? 0}s';
       });
     } catch (e) {
       sw.stop();
@@ -168,6 +183,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
         _sttStatus = '错误: $e';
         _sttResult = '';
       });
+    } finally {
+      _cleanupFile(audioPath);
     }
   }
 
@@ -179,9 +196,11 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
       // 1. STT
       final sttSw = Stopwatch()..start();
       final formData = FormData.fromMap({
-        'audio': await MultipartFile.fromFile(audioPath, filename: 'recording.wav'),
+        'audio':
+            await MultipartFile.fromFile(audioPath, filename: 'recording.wav'),
       });
-      final sttResp = await _dioJson.post('/api/v1/test/stt/transcribe', data: formData);
+      final sttResp =
+          await _dioJson.post('/api/v1/test/stt/transcribe', data: formData);
       sttSw.stop();
       final sttData = sttResp.data as Map<String, dynamic>;
       final text = sttData['text'] ?? '';
@@ -204,28 +223,35 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
       totalSw.stop();
       final audioBytes = ttsResp.data as List<int>;
       setState(() {
-        _rtResult += '\nTTS (${ttsSw.elapsedMilliseconds}ms): ${(audioBytes.length / 1024).toStringAsFixed(1)}KB';
-        _rtStatus = '完成！STT=${sttSw.elapsedMilliseconds}ms + TTS=${ttsSw.elapsedMilliseconds}ms = ${totalSw.elapsedMilliseconds}ms';
+        _rtResult +=
+            '\nTTS (${ttsSw.elapsedMilliseconds}ms): ${(audioBytes.length / 1024).toStringAsFixed(1)}KB';
+        _rtStatus =
+            '完成！STT=${sttSw.elapsedMilliseconds}ms + TTS=${ttsSw.elapsedMilliseconds}ms = ${totalSw.elapsedMilliseconds}ms';
       });
-      await _playWavBytes(Uint8List.fromList(audioBytes));
+      await _playWav(Uint8List.fromList(audioBytes));
     } catch (e) {
       totalSw.stop();
-      setState(() {
-        _rtStatus = '错误: $e';
-      });
+      setState(() => _rtStatus = '错误: $e');
+    } finally {
+      _cleanupFile(audioPath);
     }
   }
 
-  /// Play WAV bytes through flutter_sound player.
-  Future<void> _playWavBytes(Uint8List wavBytes) async {
-    if (!_playerInitialized) return;
-    await _audioPlayer.startPlayer(
+  Future<void> _playWav(Uint8List wavBytes) async {
+    if (!_playerReady) return;
+    await _player.startPlayer(
       fromDataBuffer: wavBytes,
       codec: Codec.pcm16WAV,
       whenFinished: () {},
     );
   }
 
+  void _cleanupFile(String path) {
+    try {
+      File(path).deleteSync();
+    } catch (_) {}
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -233,7 +259,6 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
       body: ListView(
         padding: const EdgeInsets.all(16),
         children: [
-          // TTS Section
           _buildSection(
             title: 'TTS (文本转语音)',
             child: Column(
@@ -251,21 +276,23 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
                 ElevatedButton.icon(
                   onPressed: _isSynthesizing ? null : _doTTS,
                   icon: _isSynthesizing
-                      ? const SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2))
+                      ? const SizedBox(
+                          width: 16,
+                          height: 16,
+                          child: CircularProgressIndicator(strokeWidth: 2))
                       : const Icon(Icons.volume_up),
                   label: Text(_isSynthesizing ? '合成中...' : '合成语音'),
                 ),
                 if (_ttsStatus.isNotEmpty)
                   Padding(
                     padding: const EdgeInsets.only(top: 8),
-                    child: Text(_ttsStatus, style: TextStyle(color: Colors.grey[600], fontSize: 13)),
+                    child: Text(_ttsStatus,
+                        style: TextStyle(color: Colors.grey[600], fontSize: 13)),
                   ),
               ],
             ),
           ),
           const SizedBox(height: 16),
-
-          // STT Section
           _buildSection(
             title: 'STT (语音转文本)',
             child: Column(
@@ -277,9 +304,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
                   child: ElevatedButton.icon(
                     onPressed: () {},
                     style: ElevatedButton.styleFrom(
-                      backgroundColor: _isRecording && _recordMode == 'stt'
-                          ? Colors.red
-                          : null,
+                      backgroundColor:
+                          _isRecording && _recordMode == 'stt' ? Colors.red : null,
                     ),
                     icon: Icon(_isRecording && _recordMode == 'stt'
                         ? Icons.mic
@@ -292,7 +318,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
                 if (_sttStatus.isNotEmpty)
                   Padding(
                     padding: const EdgeInsets.only(top: 8),
-                    child: Text(_sttStatus, style: TextStyle(color: Colors.grey[600], fontSize: 13)),
+                    child: Text(_sttStatus,
+                        style: TextStyle(color: Colors.grey[600], fontSize: 13)),
                   ),
                 if (_sttResult.isNotEmpty)
                   Container(
@@ -309,8 +336,6 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
             ),
           ),
           const SizedBox(height: 16),
-
-          // Round-trip Section
           _buildSection(
             title: 'Round-trip (STT + TTS)',
             subtitle: '录音 → 识别文本 → 合成语音播放',
@@ -323,9 +348,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
                   child: ElevatedButton.icon(
                     onPressed: () {},
                     style: ElevatedButton.styleFrom(
-                      backgroundColor: _isRecording && _recordMode == 'rt'
-                          ? Colors.red
-                          : null,
+                      backgroundColor:
+                          _isRecording && _recordMode == 'rt' ? Colors.red : null,
                     ),
                     icon: Icon(_isRecording && _recordMode == 'rt'
                         ? Icons.mic
@@ -338,7 +362,8 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
                 if (_rtStatus.isNotEmpty)
                   Padding(
                     padding: const EdgeInsets.only(top: 8),
-                    child: Text(_rtStatus, style: TextStyle(color: Colors.grey[600], fontSize: 13)),
+                    child: Text(_rtStatus,
+                        style: TextStyle(color: Colors.grey[600], fontSize: 13)),
                   ),
                 if (_rtResult.isNotEmpty)
                   Container(
@@ -370,11 +395,14 @@ class _VoiceTestPageState extends ConsumerState<VoiceTestPage> {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Text(title, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
+            Text(title,
+                style:
+                    const TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
             if (subtitle != null)
               Padding(
                 padding: const EdgeInsets.only(top: 4),
-                child: Text(subtitle, style: TextStyle(fontSize: 12, color: Colors.grey[500])),
+                child: Text(subtitle,
+                    style: TextStyle(fontSize: 12, color: Colors.grey[500])),
               ),
             const SizedBox(height: 12),
             child,