diff --git a/README.md b/README.md
index aaffc4f..5fd76b2 100644
--- a/README.md
+++ b/README.md
@@ -32,9 +32,9 @@ HF spases: [https://huggingface.co/spaces/MCG-NJU/DDT](https://huggingface.co/sp
 To host the local gradio demo(default 512 resolution), run the following command:
 ```bash
 # default 512 resolution
-python app.py --config configs/repa_improved_ddt_xlen22de6_512.yaml --resolution 512 --ckpt_path=XXX256.ckpt
+python app.py --config configs/repa_improved_ddt_xlen22de6_512.yaml --resolution 512 --ckpt_path=XXX512.ckpt
 # for 256 resolution 
-python app.py --config configs/repa_improved_ddt_xlen22de6_256.yaml --resolution 256 --ckpt_path=XXX512.ckpt
+python app.py --config configs/repa_improved_ddt_xlen22de6_256.yaml --resolution 256 --ckpt_path=XXX256.ckpt
 ```
 
 ## Usages