Fix No Prompt

inference_webui.py

@@ -544,7 +544,7 @@ def get_tts_wav(
                 t2s_request = T2SRequest(
                     [all_phoneme_ids.squeeze(0)],
                     all_phoneme_len,
-                    torch.zeros((1, 0)) if ref_free else prompt,
+                    all_phoneme_ids.new_zeros((1, 0)) if ref_free else prompt,
                     [bert.squeeze(0)],
                     valid_length=1,
                     top_k=top_k,