diff --git a/.github/workflows/unitest.yml b/.github/workflows/unitest.yml
index 407f6ec99..89565c9e1 100644
--- a/.github/workflows/unitest.yml
+++ b/.github/workflows/unitest.yml
@@ -21,6 +21,9 @@ jobs:
       - name: Test Install
         run: pip install .
 
+      - name: Install Dependencies
+        run: pip install -r requirements.txt
+
       - name: Run Test
         run: |
           echo "TODO"
diff --git a/ChatTTS/core.py b/ChatTTS/core.py
index b74310fe9..d5d11244f 100644
--- a/ChatTTS/core.py
+++ b/ChatTTS/core.py
@@ -307,6 +307,11 @@ def _load(
             tokenizer = torch.load(tokenizer_path, map_location=device, mmap=True)
             tokenizer.padding_side = "left"
             self.pretrain_models["tokenizer"] = tokenizer
+            self.tokenizer_len = len(tokenizer)
+            self.tokenizer_spk_emb_ids: torch.Tensor = tokenizer.convert_tokens_to_ids("[spk_emb]")
+            self.tokenizer_eos_token: torch.Tensor = torch.tensor(
+                tokenizer.convert_tokens_to_ids("[Ebreak]"), device=gpt.device_gpt
+            ).unsqueeze_(0)
             self.logger.log(logging.INFO, "tokenizer loaded.")
 
         self.coef = coef
@@ -342,38 +347,40 @@ def _infer(
             for t in text
         ]
 
-        if not skip_refine_text:
-            refined = self._refine_text(
+        with torch.no_grad():
+
+            if not skip_refine_text:
+                refined = self._refine_text(
+                    text,
+                    self.device,
+                    params_refine_text,
+                )
+                text_tokens = refined.ids
+                text_tokens = [
+                    i[
+                        i
+                        < self.pretrain_models["tokenizer"].convert_tokens_to_ids(
+                            "[break_0]"
+                        )
+                    ]
+                    for i in text_tokens
+                ]
+                text = self.pretrain_models["tokenizer"].batch_decode(text_tokens)
+                refined.destroy()
+                if refine_text_only:
+                    yield text
+                    return
+
+            length = [0 for _ in range(len(text))]
+            for result in self._infer_code(
                 text,
+                stream,
                 self.device,
-                params_refine_text,
-            )
-            text_tokens = refined.ids
-            text_tokens = [
-                i[
-                    i
-                    < self.pretrain_models["tokenizer"].convert_tokens_to_ids(
-                        "[break_0]"
-                    )
-                ]
-                for i in text_tokens
-            ]
-            text = self.pretrain_models["tokenizer"].batch_decode(text_tokens)
-            refined.destroy()
-            if refine_text_only:
-                yield text
-                return
-
-        length = [0 for _ in range(len(text))]
-        for result in self._infer_code(
-            text,
-            stream,
-            self.device,
-            use_decoder,
-            params_infer_code,
-        ):
-            wav = self._decode_to_wavs(result, length, use_decoder)
-            yield wav
+                use_decoder,
+                params_infer_code,
+            ):
+                wav = self._decode_to_wavs(result, length, use_decoder)
+                yield wav
 
     def _decode_to_wavs(
         self, result: GPT.GenerationOutputs, start_seeks: List[int], use_decoder: bool
@@ -397,7 +404,7 @@ def _decode_to_wavs(
         del_all(x)
         return wavs
 
-    def _gen_gpt_inputs(self, text: str, device="cpu"):
+    def _text_to_token(self, text: str, device="cpu") -> Tuple[torch.Tensor, torch.Tensor, torch.Tensor]:
 
         gpt = self.gpt
         tokenizer = self.pretrain_models["tokenizer"]
@@ -407,10 +414,14 @@ def _gen_gpt_inputs(self, text: str, device="cpu"):
         )
         text_token = text_token_tmp.to(device)
         del text_token_tmp
-        input_ids = text_token["input_ids"][..., None].expand(-1, -1, gpt.num_vq)
+
+        input_ids = text_token["input_ids"].unsqueeze(-1).expand(-1, -1, gpt.num_vq)
         text_mask = torch.ones(text_token["input_ids"].shape, dtype=bool, device=device)
+        attention_mask = text_token["attention_mask"]
+
+        del_all(text_token)
 
-        return input_ids, text_token, text_mask
+        return input_ids, attention_mask, text_mask
 
     def _apply_spk_emb(
         self,
@@ -419,14 +430,12 @@ def _apply_spk_emb(
         input_ids: torch.Tensor,
         text_len: int,
     ):
-
-        tokenizer = self.pretrain_models["tokenizer"]
-
         n = F.normalize(
-            spk_emb.to(emb.dtype)[None].expand(text_len, -1), p=2.0, dim=1, eps=1e-12
-        ).to(self.gpt.device_gpt)
-        emb[input_ids[..., 0] == tokenizer.convert_tokens_to_ids("[spk_emb]")] = n
-        del n
+            spk_emb.unsqueeze(0).expand(text_len, -1), p=2.0, dim=1, eps=1e-12
+        ).to(self.gpt.device_gpt).expand(emb.shape)
+        cond = input_ids.narrow(-1, 0, 1).eq(self.tokenizer_spk_emb_ids).expand(emb.shape)
+        torch.where(cond, n, emb, out=emb)
+        del cond, n
 
     def _infer_code(
         self,
@@ -457,7 +466,7 @@ def _infer_code(
         else:
             text = [f"[Stts][empty_spk]{i}[Ptts]" for i in text]
 
-        input_ids, text_token, text_mask = self._gen_gpt_inputs(text, gpt.device_gpt)
+        input_ids, attention_mask, text_mask = self._text_to_token(text, gpt.device_gpt)
 
         emb = gpt(input_ids, text_mask)
         del text_mask
@@ -479,7 +488,7 @@ def _infer_code(
             input_ids,
             temperature=torch.tensor(temperature, device=device),
             eos_token=num_code,
-            attention_mask=text_token["attention_mask"],
+            attention_mask=attention_mask,
             max_new_token=params.max_new_token,
             min_new_token=params.min_new_token,
             logits_warpers=logits_warpers,
@@ -490,8 +499,7 @@ def _infer_code(
             context=self.context,
         )
 
-        del_all(text_token)
-        del emb, text_token, input_ids
+        del emb, input_ids
         del_all(logits_warpers)
         del_all(logits_processors)
 
@@ -505,17 +513,16 @@ def _refine_text(
     ):
 
         gpt = self.gpt
-        tokenizer = self.pretrain_models["tokenizer"]
 
         if not isinstance(text, list):
             text = [text]
 
         text = [f"[Sbreak]{i}[Pbreak]{params.prompt}" for i in text]
 
-        input_ids, text_token, text_mask = self._gen_gpt_inputs(text, gpt.device_gpt)
+        input_ids, attention_mask, text_mask = self._text_to_token(text, gpt.device_gpt)
 
         logits_warpers, logits_processors = gen_logits(
-            num_code=len(tokenizer),
+            num_code=self.tokenizer_len,
             top_P=params.top_P,
             top_K=params.top_K,
             repetition_penalty=params.repetition_penalty,
@@ -528,10 +535,8 @@ def _refine_text(
             emb,
             input_ids,
             temperature=torch.tensor([params.temperature], device=device),
-            eos_token=torch.tensor(
-                tokenizer.convert_tokens_to_ids("[Ebreak]"), device=gpt.device_gpt
-            )[None],
-            attention_mask=text_token["attention_mask"],
+            eos_token=self.tokenizer_eos_token,
+            attention_mask=attention_mask,
             max_new_token=params.max_new_token,
             min_new_token=params.min_new_token,
             logits_warpers=logits_warpers,
@@ -541,8 +546,7 @@ def _refine_text(
             context=self.context,
         )
 
-        del_all(text_token)
-        del emb, text_token, input_ids
+        del emb, input_ids
         del_all(logits_warpers)
         del_all(logits_processors)
 
diff --git a/ChatTTS/model/gpt.py b/ChatTTS/model/gpt.py
index ee9467867..69d104326 100644
--- a/ChatTTS/model/gpt.py
+++ b/ChatTTS/model/gpt.py
@@ -240,7 +240,7 @@ def _prepare_generation_inputs(
         if attention_mask is not None and position_ids is None:
             # create position_ids on the fly for batch generation
             position_ids = attention_mask.long().cumsum(-1) - 1
-            position_ids.masked_fill_(attention_mask == 0, 1)
+            position_ids.masked_fill_(attention_mask.eq(0), 1)
             if past_key_values:
                 position_ids = position_ids.narrow(1, -input_ids.shape[1], input_ids.shape[1])
 
@@ -321,7 +321,7 @@ def generate(
         inputs_ids: torch.Tensor,
         temperature: torch.Tensor,
         eos_token: Union[int, torch.Tensor],
-        attention_mask=None,
+        attention_mask: Optional[torch.Tensor]=None,
         max_new_token=2048,
         min_new_token=0,
         logits_warpers: List[LogitsWarper] = [],
@@ -469,14 +469,14 @@ def generate(
                     if not infer_text:
                         # idx_next = rearrange(idx_next, "(b n) 1 -> b n", n=self.num_vq)
                         idx_next = idx_next.view(-1, self.num_vq)
-                        finish_or = (idx_next == eos_token).any(1)
+                        finish_or = idx_next.eq(eos_token).any(1)
                         finish.logical_or_(finish_or)
                         del finish_or
                         inputs_ids_tmp = torch.cat(
                             [inputs_ids, idx_next.unsqueeze_(1)], 1
                         )
                     else:
-                        finish_or = (idx_next == eos_token).any(1)
+                        finish_or = idx_next.eq(eos_token).any(1)
                         finish.logical_or_(finish_or)
                         del finish_or
                         inputs_ids_tmp = torch.cat(
@@ -497,7 +497,7 @@ def generate(
                     if stream:
                         if (
                             end_idx.all()
-                            and (end_idx % 24 == 0).any()
+                            and end_idx.fmod(24).eq(0).any()
                             and minus_prev_end_index.add_(end_idx).any()
                         ):
                             self.logger.debug("yield stream result, end: %d", end_idx)
diff --git a/examples/ipynb/colab.ipynb b/examples/ipynb/colab.ipynb
index 5a3900d55..ab11fec72 100644
--- a/examples/ipynb/colab.ipynb
+++ b/examples/ipynb/colab.ipynb
@@ -310,7 +310,6 @@
     "\n",
     "wav = chat.infer(\n",
     "    \"四川美食确实以辣闻名，但也有不辣的选择。比如甜水面、赖汤圆、蛋烘糕、叶儿粑等，这些小吃口味温和，甜而不腻，也很受欢迎。\",\n",
-    "    params_refine_text=params_refine_text,\n",
     "    params_infer_code=params_infer_code,\n",
     ")"
    ]
diff --git a/examples/ipynb/example.ipynb b/examples/ipynb/example.ipynb
index 7c53ef87e..20e4e316a 100644
--- a/examples/ipynb/example.ipynb
+++ b/examples/ipynb/example.ipynb
@@ -253,7 +253,6 @@
     "\n",
     "wav = chat.infer(\n",
     "    \"四川美食确实以辣闻名，但也有不辣的选择。比如甜水面、赖汤圆、蛋烘糕、叶儿粑等，这些小吃口味温和，甜而不腻，也很受欢迎。\",\n",
-    "    params_refine_text=params_refine_text,\n",
     "    params_infer_code=params_infer_code,\n",
     ")"
    ]
diff --git a/examples/web/funcs.py b/examples/web/funcs.py
index dcff4f5fe..4e2c2152d 100644
--- a/examples/web/funcs.py
+++ b/examples/web/funcs.py
@@ -95,23 +95,20 @@ def reload_chat(coef: Optional[str]) -> str:
     return chat.coef
 
 
-def set_generate_buttons(generate_button, interrupt_button, is_reset=False):
+def _set_generate_buttons(generate_button, interrupt_button, is_reset=False):
     return gr.update(
         value=generate_button, visible=is_reset, interactive=is_reset
     ), gr.update(value=interrupt_button, visible=not is_reset, interactive=not is_reset)
 
 
 def refine_text(
-    text, text_seed_input, refine_text_flag, generate_button, interrupt_button
+    text, text_seed_input, refine_text_flag,
 ):
-    global chat, has_interrupted
-    has_interrupted = False
+    global chat
 
     if not refine_text_flag:
         sleep(1) # to skip fast answer of loading mark
-        return text, *set_generate_buttons(
-            generate_button, interrupt_button, is_reset=True
-        )
+        return text
 
     with TorchSeedContext(text_seed_input):
         text = chat.infer(
@@ -119,19 +116,13 @@ def refine_text(
             skip_refine_text=False,
             refine_text_only=True,
         )
-    return text[0] if isinstance(text, list) else text, *set_generate_buttons(
-        generate_button, interrupt_button, is_reset=True
-    )
-
-
-def text_output_listener(generate_button, interrupt_button):
-    return set_generate_buttons(generate_button, interrupt_button)
 
+    return text[0] if isinstance(text, list) else text
 
 def generate_audio(text, temperature, top_P, top_K, audio_seed_input, stream):
     global chat, has_interrupted
 
-    if not text or text == "𝕃𝕠𝕒𝕕𝕚𝕟𝕘..." or has_interrupted:
+    if not text or has_interrupted:
         return None
 
     with TorchSeedContext(audio_seed_input):
@@ -157,9 +148,8 @@ def generate_audio(text, temperature, top_P, top_K, audio_seed_input, stream):
                 if audio is not None and len(audio) > 0:
                     yield 24000, unsafe_float_to_int16(audio[0])
                     del audio
-            return
-
-    yield 24000, unsafe_float_to_int16(np.array(wav[0]).flatten())
+        else:
+            yield 24000, unsafe_float_to_int16(np.array(wav[0]).flatten())
 
 
 def interrupt_generate():
@@ -168,11 +158,20 @@ def interrupt_generate():
     has_interrupted = True
     chat.interrupt()
 
+def set_buttons_before_generate(generate_button, interrupt_button):
+    global has_interrupted
+
+    has_interrupted = False
+
+    return _set_generate_buttons(
+        generate_button,
+        interrupt_button,
+    )
 
 def set_buttons_after_generate(generate_button, interrupt_button, audio_output):
     global has_interrupted
 
-    return set_generate_buttons(
+    return _set_generate_buttons(
         generate_button,
         interrupt_button,
         audio_output is not None or has_interrupted,
diff --git a/examples/web/webui.py b/examples/web/webui.py
index af7f43f92..7d2023653 100644
--- a/examples/web/webui.py
+++ b/examples/web/webui.py
@@ -96,19 +96,6 @@ def main():
             reload_chat, inputs=dvae_coef_text, outputs=dvae_coef_text
         )
 
-        generate_button.click(fn=lambda: "𝕃𝕠𝕒𝕕𝕚𝕟𝕘...", outputs=text_output)
-        generate_button.click(
-            refine_text,
-            inputs=[
-                text_input,
-                text_seed_input,
-                refine_text_checkbox,
-                generate_button,
-                interrupt_button,
-            ],
-            outputs=[text_output, generate_button, interrupt_button],
-        )
-
         interrupt_button.click(interrupt_generate)
 
         @gr.render(inputs=[auto_play_checkbox, stream_mode_checkbox])
@@ -122,12 +109,15 @@ def make_audio(autoplay, stream):
                 show_label=True,
                 format="mp3",
             )
-            text_output.change(
-                text_output_listener,
-                inputs=[generate_button, interrupt_button],
-                outputs=[generate_button, interrupt_button],
-            )
-            text_output.change(
+            generate_button.click(fn=set_buttons_before_generate, inputs=[generate_button, interrupt_button], outputs=[generate_button, interrupt_button]).then(
+                refine_text,
+                inputs=[
+                    text_input,
+                    text_seed_input,
+                    refine_text_checkbox,
+                ],
+                outputs=text_output,
+            ).then(
                 generate_audio,
                 inputs=[
                     text_output,