diff --git a/datasets/SUSTech1K/pretreatment_SUSTech1K.py b/datasets/SUSTech1K/pretreatment_SUSTech1K.py
index e379ffd..3f2e192 100644
--- a/datasets/SUSTech1K/pretreatment_SUSTech1K.py
+++ b/datasets/SUSTech1K/pretreatment_SUSTech1K.py
@@ -54,8 +54,8 @@ def imgs2pickle(img_groups: Tuple, output_path: Path, img_size: int = 64, verbos
             HWs =  [img.shape[:2] for img in imgs]
             # transpose to (C, H W)
             data = [cv2.resize(img, (img_size, img_size), interpolation=cv2.INTER_CUBIC) for img in imgs]
-            imgs = [img.transpose(2, 0, 1) for img in imgs]
-            data = np.asarray(data)
+            imgs = [img.transpose(2, 0, 1) for img in data]
+            data = np.asarray(imgs)
             HWs = np.asarray(HWs)
         elif modality == 'Sils_raw':
             sils = [cv2.imread(sil, cv2.IMREAD_GRAYSCALE) for sil in data_files]
@@ -218,4 +218,4 @@ if __name__ == '__main__':
         for k, v in args.__dict__.items():
             logging.debug(f'{k}: {v}')
 
-    pretreat(input_path=Path(args.input_path), output_path=Path(args.output_path), img_size=args.img_size, workers=args.n_workers, verbose=args.verbose, dataset=args.dataset)
\ No newline at end of file
+    pretreat(input_path=Path(args.input_path), output_path=Path(args.output_path), img_size=args.img_size, workers=args.n_workers, verbose=args.verbose, dataset=args.dataset)