diff --git a/paddlespeech/server/engine/tts/paddleinference/tts_engine.py b/paddlespeech/server/engine/tts/paddleinference/tts_engine.py
index 97c6744f1..2cc16454d 100644
--- a/paddlespeech/server/engine/tts/paddleinference/tts_engine.py
+++ b/paddlespeech/server/engine/tts/paddleinference/tts_engine.py
@@ -22,7 +22,7 @@ import librosa
 import numpy as np
 import paddle
 import soundfile as sf
-from scipy.io import wavfile
+# from scipy.io import wavfile
 
 from paddlespeech.cli.log import logger
 from paddlespeech.cli.tts.infer import TTSExecutor
diff --git a/paddlespeech/server/engine/tts/python/tts_engine.py b/paddlespeech/server/engine/tts/python/tts_engine.py
index 5031519e6..3d525a4ea 100644
--- a/paddlespeech/server/engine/tts/python/tts_engine.py
+++ b/paddlespeech/server/engine/tts/python/tts_engine.py
@@ -20,7 +20,7 @@ import librosa
 import numpy as np
 import paddle
 import soundfile as sf
-from scipy.io import wavfile
+# from scipy.io import wavfile
 
 from paddlespeech.cli.log import logger
 from paddlespeech.cli.tts.infer import TTSExecutor