Update app.py

app.py

@@ -171,7 +171,7 @@ def chunk_text(text, max_chars):
     current_chunk = ""
     
     # Split the text into sentences based on punctuation followed by whitespace
-    sentences = re.split(r"(?<=[;:,.!?])\s+|(?<=[；：，。！？])", text)
+    sentences = re.split(r"(?<=[;:,.。、!?])\s+|(?<=[；：,.。、！？])", text)
 
     for sentence in sentences:
         # If adding this sentence doesn't exceed max_chars, append it to the current chunk