diff --git a/paddlers/transforms/operators.py b/paddlers/transforms/operators.py
index a902d74..388e8df 100644
--- a/paddlers/transforms/operators.py
+++ b/paddlers/transforms/operators.py
@@ -1943,8 +1943,9 @@ class RandomSwap(Transform):
 
 class ReloadMask(Transform):
     def apply(self, sample):
-        sample['mask'] = F.decode_seg_mask(sample['mask_ori'])
-        if 'aux_masks' in sample:
+        if 'mask' in sample or 'mask_ori' in sample:
+            sample['mask'] = F.decode_seg_mask(sample['mask_ori'])
+        if 'aux_masks' in sample or 'aux_masks_ori' in sample:
             sample['aux_masks'] = list(
                 map(F.decode_seg_mask, sample['aux_masks_ori']))
         return sample