diff --git a/mindarmour/privacy/sup_privacy/sup_ctrl/conctrl.py b/mindarmour/privacy/sup_privacy/sup_ctrl/conctrl.py
index 7244ee0..3f87e25 100644
--- a/mindarmour/privacy/sup_privacy/sup_ctrl/conctrl.py
+++ b/mindarmour/privacy/sup_privacy/sup_ctrl/conctrl.py
@@ -121,7 +121,7 @@ class SuppressCtrl(Cell):
         self.sparse_vibra = 0.02  # the sparsity may have certain range of variations
         self.sparse_valid_max_weight = 0.20  # if max network weight is less than this value, suppress operation stop temporarily
         self.add_noise_thd = 0.50  # if network weight is more than this value, noise is forced
-        self.noise_volume = 0.01  # noise volume 0.01
+        self.noise_volume = 0.1  # noise volume 0.1
         self.base_ground_thd = 0.0000001  # if network weight is less than this value, will be considered as 0
         self.model = None  # SuppressModel instance
         self.grads_mask_list = []  # list for Grad Mask Matrix tensor
diff --git a/mindarmour/utils/_check_param.py b/mindarmour/utils/_check_param.py
index d4147c1..139f173 100644
--- a/mindarmour/utils/_check_param.py
+++ b/mindarmour/utils/_check_param.py
@@ -212,8 +212,8 @@ def check_equal_shape(para_name1, value1, para_name2, value2):
     if value1.shape != value2.shape:
         msg = 'The shape of {0} must equal to the ' \
               '{1}, but got {0} is {2}, ' \
-              '{1} is {3}'.format(para_name1, para_name2, value1.shape[0],
-                                  value2.shape[0])
+              '{1} is {3}'.format(para_name1, para_name2, value1.shape,
+                                  value2.shape)
         LOGGER.error(TAG, msg)
         raise ValueError(msg)
     return value1, value2