diff --git a/energy_based_recorder.py b/energy_based_recorder.py
index d5358ef..96d438f 100644
--- a/energy_based_recorder.py
+++ b/energy_based_recorder.py
@@ -169,6 +169,17 @@ class EnergyBasedRecorder:
     def play_audio(self, filename):
         """播放音频文件"""
         try:
+            # 立即停止当前录音并清空缓冲区
+            if self.recording:
+                print("🔇 播放开始，停止当前录音")
+                self.recording = False
+                self.recorded_frames = []
+                self.recording_start_time = None
+                self.last_sound_time = None
+            
+            # 清空预录音缓冲区，避免录制播放的音频
+            self.pre_record_buffer = []
+            
             # 设置播放状态
             self.is_playing = True
             
@@ -198,6 +209,7 @@ class EnergyBasedRecorder:
             )
             
             print(f"🔊 开始播放: {filename}")
+            print("🚫 暂停录音处理，避免回声")
             
             # 分块播放音频
             for chunk in frames:
@@ -207,6 +219,7 @@ class EnergyBasedRecorder:
             playback_stream.close()
             
             print("✅ 播放完成")
+            print("🔄 恢复录音监听")
             
         except Exception as e:
             print(f"❌ 播放失败: {e}")
@@ -214,6 +227,8 @@ class EnergyBasedRecorder:
         finally:
             # 恢复播放状态
             self.is_playing = False
+            # 重置状态，准备重新监听
+            self.energy_history = []
     
     def play_with_system_player(self, filename):
         """使用系统播放器播放音频"""
@@ -332,7 +347,7 @@ class EnergyBasedRecorder:
                 if len(data) == 0:
                     continue
                 
-                # 如果正在播放，跳过音频处理
+                # 如果正在播放，完全跳过音频处理
                 if self.is_playing:
                     # 显示播放状态
                     status = "🔊 播放中... 跳过录音处理"