diff --git a/src/models/ocr_model/utils/transforms.py b/src/models/ocr_model/utils/transforms.py
index 1982cc3..7c014ae 100644
--- a/src/models/ocr_model/utils/transforms.py
+++ b/src/models/ocr_model/utils/transforms.py
@@ -187,7 +187,6 @@ def train_transform(images: List[Image.Image]) -> List[torch.Tensor]:
 
 def inference_transform(images: List[np.ndarray]) -> List[torch.Tensor]:
     assert IMG_CHANNELS == 1 , "Only support grayscale images for now"
-    images = [np.array(img.convert('RGB')) for img in images]
     # 裁剪掉白边
     images = [trim_white_border(image) for image in images]
     # general transform pipeline
diff --git a/src/start_web.sh b/src/start_web.sh
index 450dff2..7475147 100755
--- a/src/start_web.sh
+++ b/src/start_web.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 set -exu
 
-export CHECKPOINT_DIR="default"
-export TOKENIZER_DIR="default"
-export USE_CUDA=False  # True or False (case-sensitive)
-export NUM_BEAM=1
+export CHECKPOINT_DIR="/home/lhy/code/TexTeller/src/models/ocr_model/model/ckpt"
+export TOKENIZER_DIR="/home/lhy/code/TexTeller/src/models/tokenizer/roberta-tokenizer-7Mformulas"
+export USE_CUDA=True  # True or False (case-sensitive)
+export NUM_BEAM=3
 
 streamlit run web.py