diff --git a/core/duplex_pipeline.py b/core/duplex_pipeline.py
index ec67d4b..299f8aa 100644
--- a/core/duplex_pipeline.py
+++ b/core/duplex_pipeline.py
@@ -417,7 +417,7 @@ class DuplexPipeline:
             
             # Sentence buffer for streaming TTS
             sentence_buffer = ""
-            sentence_ends = {'.', '!', '?', '。', '！', '？', '；', '\n'}
+            sentence_ends = {'，', '。', '！', '？', '\n'}
             first_audio_sent = False
             
             # Stream LLM response and TTS sentence by sentence