Update app.py

app.py

@@ -209,7 +209,7 @@ def tts_streaming(text: str, voice: str = "af_heart", speed: float = 1.0, format
             print(final_token)
 
             # Use the number of tokens to select the appropriate style vector.
-            style_index = len(chunk_tokens) + 1
+            style_index = len(chunk_tokens) + 2
             if style_index >= len(voices):
                 style_index = len(voices) - 1  # Fallback if index is out-of-bounds.
             ref_s = voices[style_index]