1. add 2K ComfyUI support and work-flow json;

2. update README.md;

Signed-off-by: lawrence-cj <cjs1020440147@icloud.com>

README.md

@@ -36,7 +36,8 @@ As a result, Sana-0.6B is very competitive with modern giant diffusion model (e.
 
 ## 🔥🔥 News
 
-- (🔥 New) \[2024/12/20\] 1.6B 2K resolution [Sana models](asset/docs/model_zoo.md) are released: [\[BF16 pth\]](https://huggingface.co/Efficient-Large-Model/Sana_1600M_2Kpx_BF16) or [\[BF16 diffusers\]](https://huggingface.co/Efficient-Large-Model/Sana_1600M_2Kpx_BF16_diffusers). 🚀 Get your 2K resolution images within 4 seconds! Find more samples in [Sana page](https://nvlabs.github.io/Sana/).
+- (🔥 New) \[2025/1/2\] 2K resolution [Sana models](asset/docs/model_zoo.md) is supported in [Sana-ComfyUI](https://github.com/Efficient-Large-Model/ComfyUI_ExtraModels) and [work flow](asset/docs/ComfyUI/Sana_FlowEuler_2K.json) is also prepared.
+- (🔥 New) \[2024/12/20\] 1.6B 2K resolution [Sana models](asset/docs/model_zoo.md) are released: [\[BF16 pth\]](https://huggingface.co/Efficient-Large-Model/Sana_1600M_2Kpx_BF16) or [\[BF16 diffusers\]](https://huggingface.co/Efficient-Large-Model/Sana_1600M_2Kpx_BF16_diffusers). 🚀 Get your 2K resolution images within 4 seconds! Find more samples in [Sana page](https://nvlabs.github.io/Sana/). Thanks [SUPIR](https://github.com/Fanghua-Yu/SUPIR) for their wonderful work and support.
 - (🔥 New) \[2024/12/18\] `diffusers` supports Sana-LoRA fine-tuning! Sana-LoRA's training and convergence speed is supper fast. [\[Guidance\]](asset/docs/sana_lora_dreambooth.md) or  [\[diffusers docs\]](https://github.com/huggingface/diffusers/blob/main/examples/dreambooth/README_sana.md).
 - (🔥 New) \[2024/12/13\] `diffusers` has Sana! [All Sana models in diffusers safetensors](https://huggingface.co/collections/Efficient-Large-Model/sana-673efba2a57ed99843f11f9e) are released and diffusers pipeline `SanaPipeline`, `SanaPAGPipeline`, `DPMSolverMultistepScheduler(with FlowMatching)` are all supported now. We prepare a [Model Card](asset/docs/model_zoo.md) for you to choose.
 - (🔥 New) \[2024/12/10\] 1.6B BF16 [Sana model](https://huggingface.co/Efficient-Large-Model/Sana_1600M_1024px_BF16) is released for stable fine-tuning.
@@ -334,8 +335,7 @@ We will try our best to release
 
 - Thanks to [PixArt-α](https://github.com/PixArt-alpha/PixArt-alpha), [PixArt-Σ](https://github.com/PixArt-alpha/PixArt-sigma),
   [Efficient-ViT](https://github.com/mit-han-lab/efficientvit),
-  [ComfyUI_ExtraModels](https://github.com/city96/ComfyUI_ExtraModels),
-  [SUPIR](https://github.com/Fanghua-Yu/SUPIR) and
+  [ComfyUI_ExtraModels](https://github.com/city96/ComfyUI_ExtraModels) and
   [diffusers](https://github.com/huggingface/diffusers)
   for their wonderful work and codebase!