diff --git a/Trainer_finetune.py b/Trainer_finetune.py
index 421fcff..b291922 100644
--- a/Trainer_finetune.py
+++ b/Trainer_finetune.py
@@ -42,22 +42,29 @@ def load_model(self, name=None, rank=0, real=False):
             print(f"loading {name} ckpt")
             self.net.load_state_dict(convert(torch.load(f'ckpt/{name}.pkl')), strict=True)
 
-    def from_pretrained(self, model_name):
+    @classmethod
+    def from_pretrained(cls, model_id, local_rank=-1):
         try:
             from huggingface_hub import hf_hub_download
-            assert model_name in ["VFIMamba", "VFIMamba_S"], "Please select a valid model name from ['VFIMamba', 'VFIMamba_S']"
-
-            ckpt_path = hf_hub_download(
-                repo_id=f"MCG-NJU/{model_name}", filename=model_name + ".pkl"
+        except ImportError:
+            raise ImportError(
+                "Model is hosted on the Hugging Face Hub. "
+                "Please install huggingface_hub by running `pip install huggingface_hub` to load the weights correctly."
             )
-            checkpoint = torch.load(ckpt_path)
-        except:
-            # In case the model is not hosted on huggingface
-            # or the user cannot import huggingface_hub correctly, model_name option: VFIMamba, VFIMamba_S
-            _VFIMAMBA_URL = f"https://huggingface.co/MCG-NJU/{model_name}/resolve/main/{model_name}.pkl"
-            checkpoint = torch.hub.load_state_dict_from_url(_VFIMAMBA_URL)
-
-        self.net.load_state_dict(convert(checkpoint), strict=True)
+        if "/" not in model_id:
+            model_id = "MCG-NJU/" + model_id
+        ckpt_path = hf_hub_download(repo_id=model_id, filename="model.pkl")
+        print(f"loading {model_id} ckpt")
+        checkpoint = torch.load(ckpt_path)
+        from transformers import PretrainedConfig
+        cfg = PretrainedConfig.from_pretrained(model_id)
+        MODEL_CONFIG['MODEL_ARCH'] = init_model_config(
+            F=cfg.F,
+            depth=cfg.depth,
+        )
+        model = cls(local_rank)
+        model.net.load_state_dict(convert(checkpoint), strict=True)
+        return model
 
     @torch.no_grad()
     def hr_inference(self, img0, img1, local, TTA = False, down_scale = 1.0, timestep = 0.5, fast_TTA = False):
diff --git a/hf_demo_2x.py b/hf_demo_2x.py
index 60eca50..f19866d 100644
--- a/hf_demo_2x.py
+++ b/hf_demo_2x.py
@@ -8,12 +8,11 @@
 
 '''==========import from our code=========='''
 sys.path.append('.')
-import config as cfg
 from Trainer_finetune import Model
 from benchmark.utils.padder import InputPadder
 
 parser = argparse.ArgumentParser()
-parser.add_argument('--model', default='VFIMamba_S', type=str)
+parser.add_argument('--model', default='VFIMamba', type=str)
 parser.add_argument('--scale', default=0, type=float)
 
 args = parser.parse_args()
@@ -22,15 +21,7 @@
 
 '''==========Model setting=========='''
 TTA = False
-if args.model == 'VFIMamba':
-    TTA = True
-    cfg.MODEL_CONFIG['LOGNAME'] = 'VFIMamba'
-    cfg.MODEL_CONFIG['MODEL_ARCH'] = cfg.init_model_config(
-        F = 32,
-        depth = [2, 2, 2, 3, 3]
-    )
-model = Model(-1)
-model.from_pretrained(args.model)
+model = Model.from_pretrained(args.model)
 model.eval()
 model.device()