diff --git a/main/xiaozhi-server/core/providers/tts/cozecn.py b/main/xiaozhi-server/core/providers/tts/cozecn.py
index ede08928..6c5d0547 100644
--- a/main/xiaozhi-server/core/providers/tts/cozecn.py
+++ b/main/xiaozhi-server/core/providers/tts/cozecn.py
@@ -11,8 +11,8 @@ class TTSProvider(TTSProviderBase):
             self.voice = config.get("private_voice")
         else:
             self.voice = config.get("voice")
-        self.response_format = config.get("response_format", "mp3")
-        self.audio_file_type = config.get("response_format", "mp3")
+        self.response_format = config.get("response_format", "wav")
+        self.audio_file_type = config.get("response_format", "wav")
         self.host = "api.coze.cn"
         self.api_url = f"https://{self.host}/v1/audio/speech"
 
diff --git a/main/xiaozhi-server/core/utils/wakeup_word.py b/main/xiaozhi-server/core/utils/wakeup_word.py
index 29929081..fe07b41c 100644
--- a/main/xiaozhi-server/core/utils/wakeup_word.py
+++ b/main/xiaozhi-server/core/utils/wakeup_word.py
@@ -1,4 +1,5 @@
 import os
+import re
 import yaml
 import time
 import hashlib
@@ -108,13 +109,16 @@ class WakeupWordsConfig:
     def update_wakeup_response(self, voice: str, file_path: str, text: str):
         """更新唤醒词回复配置"""
         try:
+            # 过滤表情字符
+            filtered_text = re.sub(r'[\U0001F600-\U0001F64F]', '', text)
+            
             config = self._load_config()
             voice_hash = hashlib.md5(voice.encode()).hexdigest()
             config[voice_hash] = {
                 "voice": voice,
                 "file_path": file_path,
                 "time": time.time(),
-                "text": text,
+                "text": filtered_text,
             }
             self._save_config(config)
         except Exception as e: