ui fix

src/webui.py

@@ -261,9 +261,10 @@ if __name__ == '__main__':
             
             with gr.Row():
                 ai_vocals =gr.Audio(label='ai_vocals', show_share_button=False)
+                generate_btn_vocal_only = gr.Button("Generate Vocal Only", variant='primary')
             ref_btn.click(update_models_list, None, outputs=rvc_model)
             is_webui = gr.Number(value=1, visible=False)
-            generate_btn.click(vocal_only_pipeline,
+            generate_btn_vocal_only.click(vocal_only_pipeline,
                                inputs=[song_input, rvc_model, pitch, is_webui, index_rate, filter_radius, rms_mix_rate, f0_method, crepe_hop_length,
                                        protect, pitch_all, reverb_rm_size, reverb_wet, reverb_dry, reverb_damping],
                                outputs=[ai_vocals])