diff --git a/main/xiaozhi-server/core/handle/sendAudioHandle.py b/main/xiaozhi-server/core/handle/sendAudioHandle.py
index 3d60d253..d2b24f28 100644
--- a/main/xiaozhi-server/core/handle/sendAudioHandle.py
+++ b/main/xiaozhi-server/core/handle/sendAudioHandle.py
@@ -280,8 +280,9 @@ async def send_tts_message(conn: "ConnectionHandler", state, text=None):
             await sendAudio(conn, audios)
         # 等待所有音频包发送完成
         await _wait_for_audio_completion(conn)
-        # 停止音频发送循环
-        conn.audio_rate_controller.stop_sending()
+        # 停止音频发送循环（仅在流控器已初始化时调用）
+        if hasattr(conn, "audio_rate_controller") and conn.audio_rate_controller:
+            conn.audio_rate_controller.stop_sending()
         # 清除服务端讲话状态
         conn.clearSpeakStatus()