diff --git a/indextts/utils/front.py b/indextts/utils/front.py
index cf5a7e9..a43d4cc 100644
--- a/indextts/utils/front.py
+++ b/indextts/utils/front.py
@@ -70,8 +70,8 @@ class TextNormalizer:
         else:
             from tn.chinese.normalizer import Normalizer as NormalizerZh
             from tn.english.normalizer import Normalizer as NormalizerEn
-            self.zh_normalizer = NormalizerZh(remove_interjections=False, remove_erhua=False,overwrite_cache=True)
-            self.en_normalizer = NormalizerEn(overwrite_cache=True)
+            self.zh_normalizer = NormalizerZh(remove_interjections=False, remove_erhua=False,overwrite_cache=False)
+            self.en_normalizer = NormalizerEn(overwrite_cache=False)
 
     def infer(self, text):
         pattern = re.compile("|".join(re.escape(p) for p in self.char_rep_map.keys()))
@@ -163,4 +163,4 @@ class TextNormalizer:
 if __name__ == '__main__':
     # 测试程序
     text_normalizer = TextNormalizer()
-    print(text_normalizer.infer("2.5平方电线"))
\ No newline at end of file
+    print(text_normalizer.infer("2.5平方电线"))