diff --git a/demo/demo_vllm.py b/demo/demo_vllm.py
index dc3a73d..3b6f4f8 100755
--- a/demo/demo_vllm.py
+++ b/demo/demo_vllm.py
@@ -10,7 +10,7 @@ from dots_ocr.model.inference import inference_with_vllm
 parser = argparse.ArgumentParser()
 parser.add_argument("--ip", type=str, default="localhost")
 parser.add_argument("--port", type=str, default="8000")
-parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr")
+parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr-1.5")
 parser.add_argument("--image_path", type=str, default="demo/demo_image1.jpg")
 parser.add_argument("--prompt_mode", type=str, default="prompt_layout_all_en",help=(
         "Choose a task prompt: "
diff --git a/demo/demo_vllm_general.py b/demo/demo_vllm_general.py
index 773e2c3..d230c57 100755
--- a/demo/demo_vllm_general.py
+++ b/demo/demo_vllm_general.py
@@ -10,7 +10,7 @@ from dots_ocr.model.inference import inference_with_vllm
 parser = argparse.ArgumentParser()
 parser.add_argument("--ip", type=str, default="localhost")
 parser.add_argument("--port", type=str, default="8000")
-parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr")
+parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr-1.5")
 parser.add_argument("--custom_prompt", type=str, default="Please describe the content of this image.")
 
 args = parser.parse_args()
diff --git a/demo/demo_vllm_svg.py b/demo/demo_vllm_svg.py
index 83104ad..e7719b6 100755
--- a/demo/demo_vllm_svg.py
+++ b/demo/demo_vllm_svg.py
@@ -10,7 +10,7 @@ from dots_ocr.model.inference import inference_with_vllm
 parser = argparse.ArgumentParser()
 parser.add_argument("--ip", type=str, default="localhost")
 parser.add_argument("--port", type=str, default="8000")
-parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr")
+parser.add_argument("--model_name", type=str, default="rednote-hilab/dots.ocr-1.5-svg")
 parser.add_argument("--prompt_mode", type=str, default="prompt_image_to_svg")
 
 args = parser.parse_args()