diff --git a/DiffRhythmNode.py b/DiffRhythmNode.py
index c04e7e9..8d91b88 100644
--- a/DiffRhythmNode.py
+++ b/DiffRhythmNode.py
@@ -164,6 +164,7 @@ class DiffRhythmRun:
         self.cfm = None
         self.vae = None
         self.muq = None
+        self.tokenizer = None
     @classmethod
     def INPUT_TYPES(cls):
                
@@ -213,9 +214,9 @@ class DiffRhythmRun:
             max_frames = 6144
 
         if self.cfm is None:
-            self.cfm, tokenizer, self.muq, self.vae = self.prepare_model(model, self.device)
+            self.cfm, self.tokenizer, self.muq, self.vae = self.prepare_model(model, self.device)
 
-        lrc_prompt, start_time = get_lrc_token(max_frames, lyrics_prompt, tokenizer, self.device)
+        lrc_prompt, start_time = get_lrc_token(max_frames, lyrics_prompt, self.tokenizer, self.device)
 
         vocal_flag = False
         if style_audio:
@@ -256,6 +257,7 @@ class DiffRhythmRun:
             self.cfm = None
             self.muq = None
             self.vae = None
+            self.tokenizer = None
             gc.collect()
             torch.cuda.empty_cache()
 
diff --git a/pyproject.toml b/pyproject.toml
index c10ba2a..6bec0c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "diffrhythm_mw"
 description = "Blazingly Fast and Embarrassingly Simple End-to-End Full-Length Song Generation. A node for ComfyUI."
-version = "2.1.4"
+version = "2.1.5"
 license = {file = "LICENSE"}
 dependencies = ["# accelerate==1.4.0", "# torchdiffeq==0.2.5", "# torchaudio==2.6.0", "# transformers==4.49.0", "# librosa==0.10.2.post1", "# pyarrow==19.0.1", "# pandas==2.2.3", "# bitsandbytes", "# jieba==0.42.1", "# cn2an==0.5.23", "# pypinyin==0.53.0", "# onnxruntime", "LangSegment", "x-transformers", "pylance", "ema-pytorch", "prefigure", "muq", "mutagen", "pyopenjtalk", "pykakasi", "Unidecode", "phonemizer"]