Update webui.py

webui.py

@@ -60,7 +60,7 @@ def postprocess(speech, top_db=60, hop_length=220, win_length=440):
 def change_instruction(mode_checkbox_group):
     return instruct_dict[mode_checkbox_group]
 
-@spaces.GPU
+@spaces.GPU(duration=300)
 def generate_audio(tts_text, mode_checkbox_group, sft_dropdown, prompt_text, prompt_wav_upload, prompt_wav_record, instruct_text,
                    seed, stream, speed):
     stream=False