update text postprocess

funasr/utils/postprocess_utils.py

@@ -5,7 +5,7 @@ from typing import Any, List, Union
 
 
 def isChinese(ch: str):
-    if '\u4e00' <= ch <= '\u9fff':
+    if '\u4e00' <= ch <= '\u9fff' or '\u0030' <= ch <= '\u0039':
         return True
     return False