diff --git a/lib/src/yx_asr_service.dart b/lib/src/yx_asr_service.dart
index 02e232d..5c7b560 100644
--- a/lib/src/yx_asr_service.dart
+++ b/lib/src/yx_asr_service.dart
@@ -221,6 +221,7 @@ class YxAsrService implements SpeechRecognitionService {
   bool _isStartingRecording = false; // 防抖保护：防止重复启动录音
   bool _isInitialized = false;
   String _currentModelPath = '';
+  String _lastRecognizedText = ''; // 记录上次识别的文本，避免重复发送
 
   // 识别速度配置
   RecognitionSpeed _recognitionSpeed = RecognitionSpeed.fast;
@@ -513,6 +514,7 @@ class YxAsrService implements SpeechRecognitionService {
         await _startAudioRecording(_sampleRate.hz);
 
         _isListening = true;
+        _lastRecognizedText = ''; // 重置上次识别的文本
         _statusController.add(true);
 
         // 开始识别循环处理
@@ -740,13 +742,20 @@ class YxAsrService implements SpeechRecognitionService {
           final result = _recognizer!.getResult(_stream!);
           debugPrint('🔍 [YxAsr] 获取识别结果: "${result.text}"');
 
-          if (result.text.isNotEmpty && partialResults) {
+          // 只有当识别结果不为空、启用了部分结果、且与上次结果不同时才发送
+          if (result.text.isNotEmpty &&
+              partialResults &&
+              result.text != _lastRecognizedText) {
             debugPrint('🎤 [YxAsr] 发送实时识别结果: ${result.text}');
+            _lastRecognizedText = result.text; // 更新最后识别的文本
             _sendResult(
               recognizedWords: result.text,
               confidence: 0.8,
               alternatives: [],
             );
+          } else if (result.text.isNotEmpty &&
+              result.text == _lastRecognizedText) {
+            debugPrint('🔄 [YxAsr] 跳过重复识别结果: "${result.text}"');
           }
 
           // 端点检测已禁用，由用户手动控制录音结束