diff --git a/README.md b/README.md
index c420d31..c2977ec 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 
 Update
 -----
-* Need 64RAM+8VRAM 
+* Support gguf now, use less memory / 支持gguf，内存占用更少，模型在hg或者夸克云
 
 
 1.Installation  
@@ -29,14 +29,16 @@ pip install -r requirements.txt
 3.checkpoints 
 ----
 
-* transformers/vae/clip  [links](https://huggingface.co/jdopensource/JoyAI-Image-Edit) 
-* or [aliyun](https://pan.quark.cn/s/e20f511c921c)
+* transformers/gguf/vae/clip  [links](https://huggingface.co/jdopensource/JoyAI-Image-Edit) 
+* or [夸克云](https://pan.quark.cn/s/e20f511c921c)
 * or [hg](https://huggingface.co/smthem/JoyAI-Image-Edit-merge-dit-gguf)
 
 ```
 ├── ComfyUI/models/
 |     ├── diffusion_models/
-|        ├──joy_image_transformer.safetensors
+|        ├──joy_image_transformer.safetensors # optional
+|     ├── gguf/
+|        ├──joy_image_transformer-Q8_0.gguf # optional
 |     ├── vae/
 |        ├──Wan2.1_VAE.pth
 |     ├── clips
@@ -49,12 +51,14 @@ pip install -r requirements.txt
 ![](https://github.com/smthemex/ComfyUI_JoyAI_Image/blob/main/example_workflows/example.png)
 ![](https://github.com/smthemex/ComfyUI_JoyAI_Image/blob/main/example_workflows/example2.png)
 ![](https://github.com/smthemex/ComfyUI_JoyAI_Image/blob/main/example_workflows/example3.png)
+* GGUF
+![](https://github.com/smthemex/ComfyUI_JoyAI_Image/blob/main/example_workflows/example_q.png)
 
 5.Citation
 ----
 
 ```
-@article{JoyAI2023,}
+@jd-opensource
 
 ```
 
diff --git a/example_workflows/example_q.png b/example_workflows/example_q.png
new file mode 100644
index 0000000..74a85a4
Binary files /dev/null and b/example_workflows/example_q.png differ
diff --git a/src/modules/models/__init__.py b/src/modules/models/__init__.py
index 5cec519..4ca85c4 100644
--- a/src/modules/models/__init__.py
+++ b/src/modules/models/__init__.py
@@ -129,11 +129,11 @@ def load_dit(cfg, device: torch.device) -> torch.nn.Module:
 
     # Ensure consistent dtype
     param_dtypes = {param.dtype for param in model.parameters()}
-    if len(param_dtypes) > 1:
+    if len(param_dtypes) > 1 and not use_gguf:
         logger.warning(
             f"Model has mixed dtypes: {param_dtypes}. Converting to {dtype}")
         model = model.to(dtype)
-
+    model.use_gguf=use_gguf
     return model.eval()
 
 def load_gguf_checkpoint(gguf_checkpoint_path):
diff --git a/src/modules/models/mmdit/dit/models.py b/src/modules/models/mmdit/dit/models.py
index ff074ff..5a9c235 100644
--- a/src/modules/models/mmdit/dit/models.py
+++ b/src/modules/models/mmdit/dit/models.py
@@ -30,6 +30,7 @@ class BlockGPUManager:
         self._original_block_ref = None
         self._num_groups = 0  # 总批次数
         self._group_loaded: list[bool] = [] 
+        self.use_gguf = False
         
 
     def setup_for_inference(self, transformer_model):
@@ -41,6 +42,7 @@ class BlockGPUManager:
     def _collect_managed_modules(self, transformer_model):
         self.submodule = []
         self._original_model_ref = transformer_model
+        self.use_gguf = getattr(transformer_model, "use_gguf", False)
         self._original_block_ref = transformer_model.double_blocks
 
         self._num_groups = (len(self._original_block_ref) + self.block_group_size - 1) // self.block_group_size
@@ -64,10 +66,14 @@ class BlockGPUManager:
         group = nn.ModuleList()
         for layer in self._original_block_ref[start_idx:end_idx]:
             # 深拷贝当前层
-            cpu_layer = copy.deepcopy(layer)
+            if not self.use_gguf:
+                layer = copy.deepcopy(layer)
+            else:
+                # 记录原始设备以便后续恢复
+                layer._original_device = next(layer.parameters()).device
             # 移动到目标设备
-            cpu_layer.to(self.device)
-            group.append(cpu_layer)
+            layer.to(self.device)
+            group.append(layer)
         
         self.managed_modules[group_index] = group
         self._group_loaded[group_index] = True
@@ -78,6 +84,12 @@ class BlockGPUManager:
             return
         
         group = self.managed_modules[group_index]
+        if self.use_gguf:
+            # 将层移回原始设备
+            for layer in group:
+                if hasattr(layer, '_original_device'):
+                    layer.to(layer._original_device)
+                    delattr(layer, '_original_device')
         self.managed_modules[group_index] = None
         self._group_loaded[group_index] = False