Update demo.py

demo.py

@@ -14,7 +14,7 @@ with gr.Blocks(title="🔊", theme=gr.themes.Base(primary_hue="blue", neutral_hu
     with gr.Tabs():
         with gr.Tab("Inference"):
             with gr.Row():
-                voice_model = gr.Dropdown(label="Model Voice", choices=[], value="", interactive=True)
+                voice_model = gr.Dropdown(label="Model Voice", choices=sorted(names), value=lambda:sorted(names)[0] if len(sorted(names)) > 0 else '', interactive=True)
                 refresh_button = gr.Button("Refresh", variant="primary")
                 spk_item = gr.Slider(
                     minimum=0,