Update zh_frontend.py

paddlespeech/t2s/frontend/zh_frontend.py

@@ -133,9 +133,7 @@ class Frontend():
                     phones.append('sp')
                 if v and v not in self.punc:
                     phones.append(v)
-            # add sp between sentence (replace the last punc with sp)
-            if initials[-1] in self.punc:
-                phones.append('sp')
+
             phones_list.append(phones)
         if merge_sentences:
             merge_list = sum(phones_list, [])