diff --git a/main/xiaozhi-server/core/handle/reportHandle.py b/main/xiaozhi-server/core/handle/reportHandle.py
index 09ad0218..cc78a157 100644
--- a/main/xiaozhi-server/core/handle/reportHandle.py
+++ b/main/xiaozhi-server/core/handle/reportHandle.py
@@ -94,9 +94,12 @@ def opus_to_wav(conn, opus_data):
         # 返回完整的WAV数据
         return bytes(wav_header) + pcm_data_bytes
     finally:
-        if decoder:
-            del decoder
-            gc.collect()
+        if decoder is not None:
+            try:
+                del decoder
+                gc.collect()
+            except Exception as e:
+                conn.logger.bind(tag=TAG).debug(f"释放decoder资源时出错: {e}")
 
 
 def enqueue_tts_report(conn, text, opus_data):
diff --git a/main/xiaozhi-server/core/providers/asr/aliyun_stream.py b/main/xiaozhi-server/core/providers/asr/aliyun_stream.py
index 0728f6c6..23999fca 100644
--- a/main/xiaozhi-server/core/providers/asr/aliyun_stream.py
+++ b/main/xiaozhi-server/core/providers/asr/aliyun_stream.py
@@ -349,6 +349,11 @@ class ASRProvider(ASRProviderBase):
     async def close(self):
         """关闭资源"""
         await self._cleanup(None)
-        if hasattr(self, 'decoder'):
-            del self.decoder
-            gc.collect()
+        if hasattr(self, 'decoder') and self.decoder is not None:
+            try:
+                del self.decoder
+                self.decoder = None
+                gc.collect()
+                logger.bind(tag=TAG).debug("Aliyun decoder resources released")
+            except Exception as e:
+                logger.bind(tag=TAG).debug(f"释放Aliyun decoder资源时出错: {e}")
diff --git a/main/xiaozhi-server/core/providers/asr/base.py b/main/xiaozhi-server/core/providers/asr/base.py
index d0a26cf7..2d88ff70 100644
--- a/main/xiaozhi-server/core/providers/asr/base.py
+++ b/main/xiaozhi-server/core/providers/asr/base.py
@@ -268,6 +268,9 @@ class ASRProviderBase(ABC):
             logger.bind(tag=TAG).error(f"音频解码过程发生错误: {e}")
             return []
         finally:
-            if decoder:
-                del decoder
-                gc.collect()
+            if decoder is not None:
+                try:
+                    del decoder
+                    gc.collect()
+                except Exception as e:
+                    logger.bind(tag=TAG).debug(f"释放decoder资源时出错: {e}")
diff --git a/main/xiaozhi-server/core/providers/asr/doubao_stream.py b/main/xiaozhi-server/core/providers/asr/doubao_stream.py
index ed1c0c9d..7d0871a6 100644
--- a/main/xiaozhi-server/core/providers/asr/doubao_stream.py
+++ b/main/xiaozhi-server/core/providers/asr/doubao_stream.py
@@ -373,14 +373,14 @@ class ASRProvider(ASRProviderBase):
         self.is_processing = False
         
         # 显式释放decoder资源
-        if hasattr(self, 'decoder') and self.decoder:
+        if hasattr(self, 'decoder') and self.decoder is not None:
             try:
                 del self.decoder
                 self.decoder = None
                 gc.collect()
-                logger.bind(tag=TAG).info("Doubao decoder resources released")
+                logger.bind(tag=TAG).debug("Doubao decoder resources released")
             except Exception as e:
-                logger.bind(tag=TAG).error(f"Error releasing Doubao decoder: {e}")
+                logger.bind(tag=TAG).debug(f"释放Doubao decoder资源时出错: {e}")
 
         # 清理所有连接的音频缓冲区
         if hasattr(self, '_connections'):
diff --git a/main/xiaozhi-server/core/providers/asr/xunfei_stream.py b/main/xiaozhi-server/core/providers/asr/xunfei_stream.py
index 0022d693..7bd992a9 100644
--- a/main/xiaozhi-server/core/providers/asr/xunfei_stream.py
+++ b/main/xiaozhi-server/core/providers/asr/xunfei_stream.py
@@ -515,14 +515,14 @@ class ASRProvider(ASRProviderBase):
         self.is_processing = False
         
         # 显式释放decoder资源
-        if hasattr(self, 'decoder') and self.decoder:
+        if hasattr(self, 'decoder') and self.decoder is not None:
             try:
                 del self.decoder
                 self.decoder = None
                 gc.collect()
-                logger.bind(tag=TAG).info("Xunfei decoder resources released")
+                logger.bind(tag=TAG).debug("Xunfei decoder resources released")
             except Exception as e:
-                logger.bind(tag=TAG).error(f"Error releasing Xunfei decoder: {e}")
+                logger.bind(tag=TAG).debug(f"释放Xunfei decoder资源时出错: {e}")
 
         # 清理所有连接的音频缓冲区
         if hasattr(self, "_connections"):
diff --git a/main/xiaozhi-server/core/providers/vad/silero.py b/main/xiaozhi-server/core/providers/vad/silero.py
index 738c2646..6fc26291 100644
--- a/main/xiaozhi-server/core/providers/vad/silero.py
+++ b/main/xiaozhi-server/core/providers/vad/silero.py
@@ -38,9 +38,12 @@ class VADProvider(VADProviderBase):
         self.frame_window_threshold = 3
 
     def __del__(self):
-        if hasattr(self, 'decoder'):
-            del self.decoder
-            gc.collect()
+        if hasattr(self, 'decoder') and self.decoder is not None:
+            try:
+                del self.decoder
+                gc.collect()
+            except Exception:
+                pass
 
     def is_vad(self, conn, opus_packet):
         try:
diff --git a/main/xiaozhi-server/core/utils/util.py b/main/xiaozhi-server/core/utils/util.py
index 190c4d6a..9586ace8 100644
--- a/main/xiaozhi-server/core/utils/util.py
+++ b/main/xiaozhi-server/core/utils/util.py
@@ -395,8 +395,12 @@ def opus_datas_to_wav_bytes(opus_datas, sample_rate=16000, channels=1):
             wf.writeframes(pcm_bytes)
         return wav_buffer.getvalue()
     finally:
-        del decoder
-        gc.collect()
+        if decoder is not None:
+            try:
+                del decoder
+                gc.collect()
+            except Exception:
+                pass
 
 
 def check_vad_update(before_config, new_config):