update readme

cosyvoice/cli/frontend.py

@@ -109,6 +109,10 @@ class CosyVoiceFrontEnd:
 
     def text_normalize(self, text, split=True):
         text = text.strip()
+        # NOTE(lyuxiang.lx) move this judgement into ttsfrd in the future
+        for token in self.tokenizer.special_tokens['additional_special_tokens']:
+            if token in text:
+                return text if split is False else [text]
         if contains_chinese(text):
             if self.use_ttsfrd:
                 texts = [i["text"] for i in json.loads(self.frd.do_voicegen_frd(text))["sentences"]]