diff --git a/dashscope/audio/tts_v2/speech_synthesizer.py b/dashscope/audio/tts_v2/speech_synthesizer.py
index 8ef7420..5339d6c 100644
--- a/dashscope/audio/tts_v2/speech_synthesizer.py
+++ b/dashscope/audio/tts_v2/speech_synthesizer.py
@@ -356,6 +356,7 @@ def __init__(  # pylint: disable=redefined-builtin
             workspace,
             url,
             additional_params,
+            self._close_ws_after_use,
             hot_fix,
         )