Update frontend.py

Fix potential issues caused by ending with a Chinese comma

cosyvoice/cli/frontend.py

@@ -118,10 +118,10 @@ class CosyVoiceFrontEnd:
             text = text.replace("\n", "")
             text = replace_blank(text)
             text = replace_corner_mark(text)
-            text = text.replace(".", "、")
+            text = text.replace(".", "。")
             text = text.replace(" - ", "，")
             text = remove_bracket(text)
-            text = re.sub(r'[，,]+$', '。', text)
+            text = re.sub(r'[，,、]+$', '。', text)
             texts = list(split_paragraph(text, partial(self.tokenizer.encode, allowed_special=self.allowed_special), "zh", token_max_n=80,
                                          token_min_n=60, merge_len=20, comma_split=False))
         else: