Update app.py

app.py

@@ -78,9 +78,9 @@ def generate(
     if is_tts:
         # Extract the number after @tts
         tts_part = message.strip().lower().split()[0]  # Get the @ttsX part
-        if len(tts_part) > 4:  # Check if it's @ttsX (e.g., @tts1, @tts2, etc.)
+        if len(tts_part) > 8:  # Check if it's @ttsX (e.g., @tts1, @tts2, etc.)
             try:
-                tts_index = int(tts_part[4:]) - 1  # Convert to 0-based index
+                tts_index = int(tts_part[8:]) - 1  # Convert to 0-based index
                 if tts_index < 0 or tts_index >= len(voices):
                     gr.Warning(f"Invalid TTS voice index. Using default voice.")
                     tts_index = 0