diff --git a/paddlespeech/t2s/frontend/polyphonic.yaml b/paddlespeech/t2s/frontend/polyphonic.yaml
index 2c7cf33fb..51b76f23f 100644
--- a/paddlespeech/t2s/frontend/polyphonic.yaml
+++ b/paddlespeech/t2s/frontend/polyphonic.yaml
@@ -42,3 +42,8 @@ polyphonic:
     咖喱: ['ga1','li5']
     时分: ['shi2','fen1']
     蚌埠: ['beng4','bu4']
+    驯服: ['xun4','fu2']
+    幸免于难: ['xing4','mian3','yu2','nan4']
+    恶行: ['e4','xing2']
+    唉: ['ai4']
+