Update app.py

app.py

@@ -283,6 +283,10 @@ def build_ui():
                 result = generate_tts_custom(text, lang, speaker, model_size, model_name)
                 return result[0], f"{status}\n{result[1]}"
 
+            else:
+                print(f"{mode} not sopported yet!")
+                raise
+
         # --- 按钮绑定 ---
         def clear_output():
             return None, "⏳ Analysis in progress... deciding mode..."