diff --git a/inference.py b/inference.py
index 8387e7f..24a9fd7 100644
--- a/inference.py
+++ b/inference.py
@@ -1,5 +1,6 @@
 # coding: utf-8
 
+import os.path as osp
 import tyro
 from src.config.argument_config import ArgumentConfig
 from src.config.inference_config import InferenceConfig
@@ -11,11 +12,21 @@ def partial_fields(target_class, kwargs):
     return target_class(**{k: v for k, v in kwargs.items() if hasattr(target_class, k)})
 
 
+def fast_check_args(args: ArgumentConfig):
+    if not osp.exists(args.source_image):
+        raise FileNotFoundError(f"source image not found: {args.source_image}")
+    if not osp.exists(args.driving_info):
+        raise FileNotFoundError(f"driving info not found: {args.driving_info}")
+
+
 def main():
     # set tyro theme
     tyro.extras.set_accent_color("bright_cyan")
     args = tyro.cli(ArgumentConfig)
 
+    # fast check the args
+    fast_check_args(args)
+
     # specify configs for inference
     inference_cfg = partial_fields(InferenceConfig, args.__dict__)  # use attribute of args to initial InferenceConfig
     crop_cfg = partial_fields(CropConfig, args.__dict__)  # use attribute of args to initial CropConfig