diff --git a/core/duplex_pipeline.py b/core/duplex_pipeline.py
index c81f61b..8ead740 100644
--- a/core/duplex_pipeline.py
+++ b/core/duplex_pipeline.py
@@ -415,7 +415,7 @@ 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