diff --git a/mindarmour/privacy/sup_privacy/mask_monitor/masker.py b/mindarmour/privacy/sup_privacy/mask_monitor/masker.py
index 1a54ae9..786097d 100644
--- a/mindarmour/privacy/sup_privacy/mask_monitor/masker.py
+++ b/mindarmour/privacy/sup_privacy/mask_monitor/masker.py
@@ -23,6 +23,7 @@ from mindarmour.privacy.sup_privacy.sup_ctrl.conctrl import SuppressCtrl
 LOGGER = LogUtil.get_instance()
 TAG = 'suppress masker'
 
+
 class SuppressMasker(Callback):
     """
     Periodicity check suppress privacy function status and toggle suppress operation.
diff --git a/mindarmour/privacy/sup_privacy/train/model.py b/mindarmour/privacy/sup_privacy/train/model.py
index ac49434..5b1a34f 100644
--- a/mindarmour/privacy/sup_privacy/train/model.py
+++ b/mindarmour/privacy/sup_privacy/train/model.py
@@ -186,6 +186,7 @@ class _TupleAdd(nn.Cell):
         out = self.hyper_map(self.add, input1, input2)
         return out
 
+
 class _TupleMul(nn.Cell):
     """
     Mul two tuple of data.
@@ -200,6 +201,7 @@ class _TupleMul(nn.Cell):
         out = self.hyper_map(self.mul, input1, input2)
         return out
 
+
 # come from nn.cell_wrapper.TrainOneStepCell
 class TrainOneStepCell(Cell):
     r"""