diff --git a/examples/face_adversarial_attack/example/AFR.py b/examples/face_adversarial_attack/example/AFR.py
index 3a82fad..6267c87 100644
--- a/examples/face_adversarial_attack/example/AFR.py
+++ b/examples/face_adversarial_attack/example/AFR.py
@@ -25,7 +25,7 @@ from mindspore.dataset.vision.py_transforms import ToPIL as ToPILImage
 from mindspore import Parameter, ops, nn, Tensor
 from mindspore.dataset.vision.py_transforms import ToTensor
 import mindspore.dataset.vision.py_transforms as P
-from loss_design import TrainOneStepCell,MyWithLossCell, FaceLossTargeTattack,FaceLossNoTargetAttack
+from loss_design import TrainOneStepCell, MyWithLossCell, FaceLossTargeTattack, FaceLossNoTargetAttack
 from FaceRecognition.eval import get_net
 
 class Attack(object):