diff --git a/mindspore/ccsrc/frontend/parallel/ops_info/ops_utils.h b/mindspore/ccsrc/frontend/parallel/ops_info/ops_utils.h
index 3adf234eeb2..6fa8761d647 100644
--- a/mindspore/ccsrc/frontend/parallel/ops_info/ops_utils.h
+++ b/mindspore/ccsrc/frontend/parallel/ops_info/ops_utils.h
@@ -124,7 +124,6 @@ constexpr char CLONED_INDEX[] = "cloned_index";
 constexpr char BE_CLONED_INDEX[] = "be_cloned_index";
 constexpr char GROUP_RANKS[] = "group_ranks";
 constexpr char IS_IN_FORWARD[] = "is_in_forward";
-constexpr char DEFAULT_INPUT[] = "default_input";
 constexpr char DTYPE[] = "DType";
 constexpr char DEV_NUM[] = "dev_num";
 constexpr char MEAN_FLAG[] = "mean_flag";
diff --git a/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc b/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
index 23b46c604c6..bde634fd84b 100644
--- a/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
+++ b/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
@@ -154,17 +154,17 @@ void ConvertObjectToTensors(const py::dict &dict, TensorOrderMap *const tensors)
     }
     std::shared_ptr<Tensor> tensor;
     std::string name = py::cast<std::string>(item.first);
-    if (py::isinstance<py::float_>(item.second.attr("default_input"))) {
+    if (py::isinstance<py::float_>(item.second.attr("data"))) {
       // convert float to tensor with shape([1])
       tensor = std::make_shared<Tensor>(kNumberTypeFloat32, std::vector<int>({1}));
-      *(static_cast<float *>(tensor->data_c())) = py::cast<float>(item.second.attr("default_input"));
-    } else if (py::isinstance<py::int_>(item.second.attr("default_input"))) {
+      *(static_cast<float *>(tensor->data_c())) = py::cast<float>(item.second.attr("data"));
+    } else if (py::isinstance<py::int_>(item.second.attr("data"))) {
       // convert int to tensor with shape([1])
       tensor = std::make_shared<Tensor>(kNumberTypeInt32, std::vector<int>({1}));
-      *(static_cast<float *>(tensor->data_c())) = py::cast<float>(item.second.attr("default_input"));
-    } else if (py::isinstance<Tensor>(item.second.attr("default_input"))) {
+      *(static_cast<float *>(tensor->data_c())) = py::cast<float>(item.second.attr("data"));
+    } else if (py::isinstance<Tensor>(item.second.attr("data"))) {
       // cast tensor
-      tensor = py::cast<std::shared_ptr<Tensor>>(item.second.attr("default_input"));
+      tensor = py::cast<std::shared_ptr<Tensor>>(item.second.attr("data"));
     }
 
     if (tensor == nullptr) {
diff --git a/mindspore/common/parameter.py b/mindspore/common/parameter.py
index 67c3936a699..d03df71e2e8 100644
--- a/mindspore/common/parameter.py
+++ b/mindspore/common/parameter.py
@@ -49,7 +49,7 @@ class Parameter(MetaTensor):
         Each parameter of Cell is represented by Parameter class.
 
     Args:
-        default_input (Union[Tensor, Initializer, Number]): Parameter data, to be set initialized.
+        set_data (Union[Tensor, Initializer, Number]): Parameter data, to be set initialized.
         name (str): Name of the child parameter.
         requires_grad (bool): True if the parameter requires gradient. Default: True.
         layerwise_parallel (bool): A kind of model parallel mode. When layerwise_parallel is true in parallel mode,
@@ -78,7 +78,7 @@ class Parameter(MetaTensor):
         >>> x = Tensor(np.ones((2,1)))
         >>> net(x)
         [[2.]]
-        >>> net.weight.set_parameter_data(Tensor(np.zeros((1,2))))
+        >>> net.weight.set_data(Tensor(np.zeros((1,2))))
         >>> net(x)
         [[0.]]
     """
@@ -136,7 +136,7 @@ class Parameter(MetaTensor):
 
     @staticmethod
     def _get_parameter_new_args(data):
-        """Set `default_input` of current `Parameter`."""
+        """Set `set_data` of current `Parameter`."""
         if isinstance(data, bool):
             raise ValueError('Parameter data can not be `bool`')
         if isinstance(data, Initializer):
@@ -266,7 +266,7 @@ class Parameter(MetaTensor):
         if init != 'same':
             shape = self.shape
             dtype = self.dtype
-            x.default_input = initializer(init, shape=shape, dtype=dtype)
+            x.set_data(initializer(init, shape=shape, dtype=dtype))
         return x
 
     @property
@@ -292,16 +292,8 @@ class Parameter(MetaTensor):
 
     @property
     def data(self):
-        return self.default_input
-
-    @property
-    def default_input(self):
         return self
 
-    @default_input.setter
-    def default_input(self, data):
-        self.set_parameter_data(data)
-
     def _update_tensor_data(self, data):
         "Update the parameter by a Tensor."
         if isinstance(self, Tensor):
@@ -311,9 +303,9 @@ class Parameter(MetaTensor):
         # create a new tensor
         return Parameter(data, self.name, self.requires_grad)
 
-    def set_parameter_data(self, data, slice_shape=False):
+    def set_data(self, data, slice_shape=False):
         """
-        Set `default_input` of current `Parameter`.
+        Set `set_data` of current `Parameter`.
 
         Args:
             data (Union[Tensor, Initializer, int, float]): new data.
@@ -339,7 +331,7 @@ class Parameter(MetaTensor):
         is_current_tensor = isinstance(self, Tensor)
 
         if is_incoming_tensor and not is_current_tensor:
-            raise TypeError("Parameter is a `MetaTensor` and not initializered, `data` for `set_parameter_data`"
+            raise TypeError("Parameter is a `MetaTensor` and not initializered, `data` for `set_data`"
                             "should be a Initializer. If you want to update it by Tensor, call method"
                             "`init_parameters_data` of `Cell` to init and replace all the Parameter of"
                             "network, then call this method.")
@@ -360,7 +352,7 @@ class Parameter(MetaTensor):
             else:
                 # also update the related inited parameter data
                 if self.inited_param is not None:
-                    self.inited_param.set_parameter_data(data)
+                    self.inited_param.set_data(data)
                 self.init_mode = data
         elif is_incoming_tensor or is_current_tensor:
             self._update_tensor_data(data)
diff --git a/mindspore/nn/cell.py b/mindspore/nn/cell.py
index e30daab5239..89119d9799d 100755
--- a/mindspore/nn/cell.py
+++ b/mindspore/nn/cell.py
@@ -364,7 +364,7 @@ class Cell(Cell_):
             cells[name] = value
         elif params and name in params:
             if isinstance(value, Tensor) and self._params[name] is not None:
-                self._params[name].set_parameter_data(value)
+                self._params[name].set_data(value)
             elif value is not None:
                 raise TypeError("Expected type in (Parameter, ParameterTuple), but got {}.".format(type(value)))
             else:
@@ -425,7 +425,7 @@ class Cell(Cell_):
                     continue
                 layout = self.parameter_layout_dict[key]
                 new_tensor = _load_tensor_by_layout(tensor, layout)
-                params[key].set_parameter_data(new_tensor, True)
+                params[key].set_data(new_tensor, True)
         else:
             raise TypeError('Parameters need OrderedDict type, but got {}'.
                             format(type(params)))
diff --git a/mindspore/nn/probability/distribution/_utils/utils.py b/mindspore/nn/probability/distribution/_utils/utils.py
index da3241122ee..dbc34f79ba2 100644
--- a/mindspore/nn/probability/distribution/_utils/utils.py
+++ b/mindspore/nn/probability/distribution/_utils/utils.py
@@ -138,7 +138,7 @@ def calc_broadcast_shape_from_param(params):
         if value is None:
             return None
         if isinstance(value, Parameter):
-            value_t = value.default_input
+            value_t = value.data
         else:
             value_t = cast_to_tensor(value, mstype.float32)
         broadcast_shape = utils.get_broadcast_shape(
@@ -159,9 +159,9 @@ def check_greater_equal_zero(value, name):
 
     """
     if isinstance(value, Parameter):
-        if not isinstance(value.default_input, Tensor):
+        if not isinstance(value.data, Tensor):
             return
-        value = value.default_input
+        value = value.data
     comp = np.less(value.asnumpy(), np.zeros(value.shape))
     if comp.any():
         raise ValueError(f'{name} should be greater than ot equal to zero.')
@@ -182,9 +182,9 @@ def check_greater_zero(value, name):
     if value is None:
         raise ValueError(f'input value cannot be None in check_greater_zero')
     if isinstance(value, Parameter):
-        if not isinstance(value.default_input, Tensor):
+        if not isinstance(value.data, Tensor):
             return
-        value = value.default_input
+        value = value.data
     comp = np.less(np.zeros(value.shape), value.asnumpy())
     if not comp.all():
         raise ValueError(f'{name} should be greater than zero.')
@@ -225,9 +225,9 @@ def check_prob(p):
     if p is None:
         raise ValueError(f'input value cannot be None in check_greater_zero')
     if isinstance(p, Parameter):
-        if not isinstance(p.default_input, Tensor):
+        if not isinstance(p.data, Tensor):
             return
-        p = p.default_input
+        p = p.data
     comp = np.less(np.zeros(p.shape), p.asnumpy())
     if not comp.all():
         raise ValueError('Probabilities should be greater than zero')
diff --git a/mindspore/ops/operations/array_ops.py b/mindspore/ops/operations/array_ops.py
index 8e6fd299f1d..105d8dcf6ca 100644
--- a/mindspore/ops/operations/array_ops.py
+++ b/mindspore/ops/operations/array_ops.py
@@ -251,7 +251,7 @@ class Cast(PrimitiveWithInfer):
             if isinstance(x, numbers.Number):
                 return (True, Tensor(x, dtype=dtype))
             if isinstance(x, Parameter):
-                data = x.default_input
+                data = x.data
                 if data.dtype == dtype:
                     return (True, x)
         return (False, None)
diff --git a/mindspore/train/quant/quant_utils.py b/mindspore/train/quant/quant_utils.py
index e7120d35be2..ef9cbf50c7b 100644
--- a/mindspore/train/quant/quant_utils.py
+++ b/mindspore/train/quant/quant_utils.py
@@ -283,5 +283,5 @@ def load_nonquant_param_into_quant_net(quant_model, params_dict, quant_new_param
             raise ValueError(f"Can't find match parameter in ckpt,param name = {name}")
         value_param = next(iterable_dict[key_name], None)
         if value_param is not None:
-            param.set_parameter_data(value_param[1].data)
+            param.set_data(value_param[1].data)
             print(f'init model param {name} with checkpoint param {value_param[0]}')
diff --git a/mindspore/train/serialization.py b/mindspore/train/serialization.py
index 0b53ad12697..6611a27882f 100644
--- a/mindspore/train/serialization.py
+++ b/mindspore/train/serialization.py
@@ -63,7 +63,7 @@ def _special_process_par(par, new_par):
     if delta_i == delta_len - 1:
         new_val = new_par.data.asnumpy()
         new_val = new_val.reshape(par.data.shape)
-        par.set_parameter_data(Tensor(new_val, par.data.dtype))
+        par.set_data(Tensor(new_val, par.data.dtype))
         return True
     return False
 
@@ -86,7 +86,7 @@ def _update_param(param, new_param):
                 raise RuntimeError(msg)
             return
 
-        param.set_parameter_data(new_param.data)
+        param.set_data(new_param.data)
         return
 
     if isinstance(param.data, Tensor) and not isinstance(new_param.data, Tensor):
@@ -95,7 +95,7 @@ def _update_param(param, new_param):
             msg = ("Net parameters {} shape({}) is not (1,), inconsitent with parameter_dict's(scalar)."
                    .format(param.name, param.data.shape))
             raise RuntimeError(msg)
-        param.set_parameter_data(initializer(new_param.data, param.data.shape, param.data.dtype))
+        param.set_data(initializer(new_param.data, param.data.shape, param.data.dtype))
 
     elif isinstance(new_param.data, Tensor) and not isinstance(param.data, Tensor):
         logger.error("Failed to combine the net and the parameters for param %s.", param.name)
@@ -104,7 +104,7 @@ def _update_param(param, new_param):
         raise RuntimeError(msg)
 
     else:
-        param.set_parameter_data(type(param.data)(new_param.data))
+        param.set_data(type(param.data)(new_param.data))
 
 
 def _exec_save(ckpt_file_name, data_list):
diff --git a/model_zoo/official/cv/inceptionv3/train.py b/model_zoo/official/cv/inceptionv3/train.py
index 4efc558ad35..6b03c3d07c3 100644
--- a/model_zoo/official/cv/inceptionv3/train.py
+++ b/model_zoo/official/cv/inceptionv3/train.py
@@ -90,7 +90,7 @@ if __name__ == '__main__':
     if args_opt.platform == "Ascend":
         for param in net.trainable_params():
             if 'beta' not in param.name and 'gamma' not in param.name and 'bias' not in param.name:
-                param.set_parameter_data(initializer(XavierUniform(), param.data.shape, param.data.dtype))
+                param.set_data(initializer(XavierUniform(), param.data.shape, param.data.dtype))
     group_params = [{'params': decayed_params, 'weight_decay': cfg.weight_decay},
                     {'params': no_decayed_params},
                     {'order_params': net.trainable_params()}]
diff --git a/model_zoo/official/cv/mobilenetv2/src/mobilenetV2.py b/model_zoo/official/cv/mobilenetv2/src/mobilenetV2.py
index a0ecc250349..f0fb36aeb01 100644
--- a/model_zoo/official/cv/mobilenetv2/src/mobilenetV2.py
+++ b/model_zoo/official/cv/mobilenetv2/src/mobilenetV2.py
@@ -260,15 +260,15 @@ class MobileNetV2Backbone(nn.Cell):
         for _, m in self.cells_and_names():
             if isinstance(m, (nn.Conv2d, DepthwiseConv)):
                 n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, np.sqrt(2. / n),
-                                                                    m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, np.sqrt(2. / n),
+                                                          m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.BatchNorm2d):
-                m.gamma.set_parameter_data(
+                m.gamma.set_data(
                     Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
-                m.beta.set_parameter_data(
+                m.beta.set_data(
                     Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
 
     @property
@@ -316,10 +316,10 @@ class MobileNetV2Head(nn.Cell):
         self.init_parameters_data()
         for _, m in self.cells_and_names():
             if isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(
+                m.weight.set_data(Tensor(np.random.normal(
                     0, 0.01, m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
     @property
     def get_head(self):
diff --git a/model_zoo/official/cv/mobilenetv2/src/mobilenetV2_fusion.py b/model_zoo/official/cv/mobilenetv2/src/mobilenetV2_fusion.py
index 715231d8fca..8de440d1a28 100644
--- a/model_zoo/official/cv/mobilenetv2/src/mobilenetV2_fusion.py
+++ b/model_zoo/official/cv/mobilenetv2/src/mobilenetV2_fusion.py
@@ -216,24 +216,24 @@ class mobilenetV2(nn.Cell):
             if isinstance(m, nn.Conv2d):
                 n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
                 w = Tensor(np.random.normal(0, np.sqrt(2. / n), m.weight.data.shape).astype("float32"))
-                m.weight.set_parameter_data(w)
+                m.weight.set_data(w)
                 if m.bias is not None:
-                    m.bias.set_parameter_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
+                    m.bias.set_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.Conv2dBnAct):
                 n = m.conv.kernel_size[0] * m.conv.kernel_size[1] * m.conv.out_channels
                 w = Tensor(np.random.normal(0, np.sqrt(2. / n), m.conv.weight.data.shape).astype("float32"))
-                m.conv.weight.set_parameter_data(w)
+                m.conv.weight.set_data(w)
                 if m.conv.bias is not None:
-                    m.conv.bias.set_parameter_data(Tensor(np.zeros(m.conv.bias.data.shape, dtype="float32")))
+                    m.conv.bias.set_data(Tensor(np.zeros(m.conv.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.BatchNorm2d):
-                m.gamma.set_parameter_data(Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
-                m.beta.set_parameter_data(Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
+                m.gamma.set_data(Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
+                m.beta.set_data(Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
             elif isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
+                    m.bias.set_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.DenseBnAct):
-                m.dense.weight.set_parameter_data(
+                m.dense.weight.set_data(
                     Tensor(np.random.normal(0, 0.01, m.dense.weight.data.shape).astype("float32")))
                 if m.dense.bias is not None:
-                    m.dense.bias.set_parameter_data(Tensor(np.zeros(m.dense.bias.data.shape, dtype="float32")))
+                    m.dense.bias.set_data(Tensor(np.zeros(m.dense.bias.data.shape, dtype="float32")))
diff --git a/model_zoo/official/cv/mobilenetv2_quant/src/mobilenetV2.py b/model_zoo/official/cv/mobilenetv2_quant/src/mobilenetV2.py
index 1b8f0291712..50d5728321e 100644
--- a/model_zoo/official/cv/mobilenetv2_quant/src/mobilenetV2.py
+++ b/model_zoo/official/cv/mobilenetv2_quant/src/mobilenetV2.py
@@ -221,24 +221,24 @@ class mobilenetV2(nn.Cell):
             if isinstance(m, nn.Conv2d):
                 n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
                 w = Tensor(np.random.normal(0, np.sqrt(2. / n), m.weight.data.shape).astype("float32"))
-                m.weight.set_parameter_data(w)
+                m.weight.set_data(w)
                 if m.bias is not None:
-                    m.bias.set_parameter_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
+                    m.bias.set_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.Conv2dBnAct):
                 n = m.conv.kernel_size[0] * m.conv.kernel_size[1] * m.conv.out_channels
                 w = Tensor(np.random.normal(0, np.sqrt(2. / n), m.conv.weight.data.shape).astype("float32"))
-                m.conv.weight.set_parameter_data(w)
+                m.conv.weight.set_data(w)
                 if m.conv.bias is not None:
-                    m.conv.bias.set_parameter_data(Tensor(np.zeros(m.conv.bias.data.shape, dtype="float32")))
+                    m.conv.bias.set_data(Tensor(np.zeros(m.conv.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.BatchNorm2d):
-                m.gamma.set_parameter_data(Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
-                m.beta.set_parameter_data(Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
+                m.gamma.set_data(Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
+                m.beta.set_data(Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
             elif isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
+                    m.bias.set_data(Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.DenseBnAct):
-                m.dense.weight.set_parameter_data(
+                m.dense.weight.set_data(
                     Tensor(np.random.normal(0, 0.01, m.dense.weight.data.shape).astype("float32")))
                 if m.dense.bias is not None:
-                    m.dense.bias.set_parameter_data(Tensor(np.zeros(m.dense.bias.data.shape, dtype="float32")))
+                    m.dense.bias.set_data(Tensor(np.zeros(m.dense.bias.data.shape, dtype="float32")))
diff --git a/model_zoo/official/cv/mobilenetv3/src/mobilenetV3.py b/model_zoo/official/cv/mobilenetv3/src/mobilenetV3.py
index b84cbeb83ca..4ff4e6f8942 100644
--- a/model_zoo/official/cv/mobilenetv3/src/mobilenetV3.py
+++ b/model_zoo/official/cv/mobilenetv3/src/mobilenetV3.py
@@ -323,21 +323,21 @@ class MobileNetV3(nn.Cell):
         for _, m in self.cells_and_names():
             if isinstance(m, (nn.Conv2d)):
                 n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, np.sqrt(2. / n),
-                                                                    m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, np.sqrt(2. / n),
+                                                          m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.BatchNorm2d):
-                m.gamma.set_parameter_data(
+                m.gamma.set_data(
                     Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
-                m.beta.set_parameter_data(
+                m.beta.set_data(
                     Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
             elif isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(
+                m.weight.set_data(Tensor(np.random.normal(
                     0, 0.01, m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
 
 
diff --git a/model_zoo/official/cv/nasnet/src/nasnet_a_mobile.py b/model_zoo/official/cv/nasnet/src/nasnet_a_mobile.py
index 2f95a0dc764..10ef44968a4 100755
--- a/model_zoo/official/cv/nasnet/src/nasnet_a_mobile.py
+++ b/model_zoo/official/cv/nasnet/src/nasnet_a_mobile.py
@@ -821,21 +821,21 @@ class NASNetAMobile(nn.Cell):
         for _, m in self.cells_and_names():
             if isinstance(m, nn.Conv2d):
                 n = m.kernel_size[0]*m.kernel_size[1]*m.out_channels
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, np.sqrt(2./n),
-                                                                    m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, np.sqrt(2./n),
+                                                          m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
             elif isinstance(m, nn.BatchNorm2d):
-                m.gamma.set_parameter_data(
+                m.gamma.set_data(
                     Tensor(np.ones(m.gamma.data.shape, dtype="float32")))
-                m.beta.set_parameter_data(
+                m.beta.set_data(
                     Tensor(np.zeros(m.beta.data.shape, dtype="float32")))
             elif isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(
+                m.weight.set_data(Tensor(np.random.normal(
                     0, 0.01, m.weight.data.shape).astype("float32")))
                 if m.bias is not None:
-                    m.bias.set_parameter_data(
+                    m.bias.set_data(
                         Tensor(np.zeros(m.bias.data.shape, dtype="float32")))
 
     def construct(self, x):
diff --git a/model_zoo/official/cv/resnet/train.py b/model_zoo/official/cv/resnet/train.py
index 0cc619b9bad..d540b6a50b2 100755
--- a/model_zoo/official/cv/resnet/train.py
+++ b/model_zoo/official/cv/resnet/train.py
@@ -108,13 +108,13 @@ if __name__ == '__main__':
     else:
         for _, cell in net.cells_and_names():
             if isinstance(cell, nn.Conv2d):
-                cell.weight.default_input = weight_init.initializer(weight_init.XavierUniform(),
-                                                                    cell.weight.shape,
-                                                                    cell.weight.dtype)
+                cell.weight.set_data(weight_init.initializer(weight_init.XavierUniform(),
+                                                             cell.weight.shape,
+                                                             cell.weight.dtype))
             if isinstance(cell, nn.Dense):
-                cell.weight.default_input = weight_init.initializer(weight_init.TruncatedNormal(),
-                                                                    cell.weight.shape,
-                                                                    cell.weight.dtype)
+                cell.weight.set_data(weight_init.initializer(weight_init.TruncatedNormal(),
+                                                             cell.weight.shape,
+                                                             cell.weight.dtype))
 
     # init lr
     if args_opt.net == "resnet50" or args_opt.net == "se-resnet50":
diff --git a/model_zoo/official/cv/resnet50_quant/train.py b/model_zoo/official/cv/resnet50_quant/train.py
index fa968c7d9a7..c7ee8192ccb 100755
--- a/model_zoo/official/cv/resnet50_quant/train.py
+++ b/model_zoo/official/cv/resnet50_quant/train.py
@@ -93,13 +93,13 @@ if __name__ == '__main__':
     else:
         for _, cell in net.cells_and_names():
             if isinstance(cell, nn.Conv2d):
-                cell.weight.default_input = weight_init.initializer(weight_init.XavierUniform(),
-                                                                    cell.weight.shape,
-                                                                    cell.weight.dtype)
+                cell.weight.set_data(weight_init.initializer(weight_init.XavierUniform(),
+                                                             cell.weight.shape,
+                                                             cell.weight.dtype))
             if isinstance(cell, nn.Dense):
-                cell.weight.default_input = weight_init.initializer(weight_init.TruncatedNormal(),
-                                                                    cell.weight.shape,
-                                                                    cell.weight.dtype)
+                cell.weight.set_data(weight_init.initializer(weight_init.TruncatedNormal(),
+                                                             cell.weight.shape,
+                                                             cell.weight.dtype))
     if not config.use_label_smooth:
         config.label_smooth_factor = 0.0
     loss = CrossEntropy(smooth_factor=config.label_smooth_factor, num_classes=config.class_num)
diff --git a/model_zoo/official/cv/resnext50/src/image_classification.py b/model_zoo/official/cv/resnext50/src/image_classification.py
index 6b12ede3678..fabc4aeeacd 100644
--- a/model_zoo/official/cv/resnext50/src/image_classification.py
+++ b/model_zoo/official/cv/resnext50/src/image_classification.py
@@ -61,21 +61,21 @@ class Resnet(ImageClassificationNetwork):
 
         for cell in self.cells_and_names():
             if isinstance(cell, nn.Conv2d):
-                cell.weight.default_input = init.initializer(
+                cell.weight.set_data(init.initializer(
                     KaimingNormal(a=math.sqrt(5), mode='fan_out', nonlinearity='relu'),
-                    cell.weight.shape, cell.weight.dtype)
+                    cell.weight.shape, cell.weight.dtype))
             elif isinstance(cell, nn.BatchNorm2d):
-                cell.gamma.default_input = init.initializer('ones', cell.gamma.shape)
-                cell.beta.default_input = init.initializer('zeros', cell.beta.shape)
+                cell.gamma.set_data(init.initializer('ones', cell.gamma.shape))
+                cell.beta.set_data(init.initializer('zeros', cell.beta.shape))
 
         # Zero-initialize the last BN in each residual branch,
         # so that the residual branch starts with zeros, and each residual block behaves like an identity.
         # This improves the model by 0.2~0.3% according to https://arxiv.org/abs/1706.02677
         for cell in self.cells_and_names():
             if isinstance(cell, backbones.resnet.Bottleneck):
-                cell.bn3.gamma.default_input = init.initializer('zeros', cell.bn3.gamma.shape)
+                cell.bn3.gamma.set_data(init.initializer('zeros', cell.bn3.gamma.shape))
             elif isinstance(cell, backbones.resnet.BasicBlock):
-                cell.bn2.gamma.default_input = init.initializer('zeros', cell.bn2.gamma.shape)
+                cell.bn2.gamma.set_data(init.initializer('zeros', cell.bn2.gamma.shape))
 
 
 
diff --git a/model_zoo/official/cv/resnext50/src/utils/var_init.py b/model_zoo/official/cv/resnext50/src/utils/var_init.py
index 53fde61d533..3357a656d65 100644
--- a/model_zoo/official/cv/resnext50/src/utils/var_init.py
+++ b/model_zoo/official/cv/resnext50/src/utils/var_init.py
@@ -187,24 +187,24 @@ def default_recurisive_init(custom_cell):
     """default_recurisive_init"""
     for _, cell in custom_cell.cells_and_names():
         if isinstance(cell, nn.Conv2d):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_in_and_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, nn.Dense):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_in_and_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, (nn.BatchNorm2d, nn.BatchNorm1d)):
             pass
diff --git a/model_zoo/official/cv/shufflenetv2/src/shufflenetv2.py b/model_zoo/official/cv/shufflenetv2/src/shufflenetv2.py
index 1245d94798a..349d62a91fb 100644
--- a/model_zoo/official/cv/shufflenetv2/src/shufflenetv2.py
+++ b/model_zoo/official/cv/shufflenetv2/src/shufflenetv2.py
@@ -163,11 +163,11 @@ class ShuffleNetV2(nn.Cell):
         for name, m in self.cells_and_names():
             if isinstance(m, nn.Conv2d):
                 if 'first' in name:
-                    m.weight.set_parameter_data(Tensor(np.random.normal(0, 0.01,
-                                                                        m.weight.data.shape).astype("float32")))
+                    m.weight.set_data(Tensor(np.random.normal(0, 0.01,
+                                                              m.weight.data.shape).astype("float32")))
                 else:
-                    m.weight.set_parameter_data(Tensor(np.random.normal(0, 1.0/m.weight.data.shape[1],
-                                                                        m.weight.data.shape).astype("float32")))
+                    m.weight.set_data(Tensor(np.random.normal(0, 1.0/m.weight.data.shape[1],
+                                                              m.weight.data.shape).astype("float32")))
 
             if isinstance(m, nn.Dense):
-                m.weight.set_parameter_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
+                m.weight.set_data(Tensor(np.random.normal(0, 0.01, m.weight.data.shape).astype("float32")))
diff --git a/model_zoo/official/cv/ssd/src/init_params.py b/model_zoo/official/cv/ssd/src/init_params.py
index 30ceb92697a..6527706fbbe 100644
--- a/model_zoo/official/cv/ssd/src/init_params.py
+++ b/model_zoo/official/cv/ssd/src/init_params.py
@@ -22,9 +22,9 @@ def init_net_param(network, initialize_mode='TruncatedNormal'):
     for p in params:
         if 'beta' not in p.name and 'gamma' not in p.name and 'bias' not in p.name:
             if initialize_mode == 'TruncatedNormal':
-                p.set_parameter_data(initializer(TruncatedNormal(), p.data.shape, p.data.dtype))
+                p.set_data(initializer(TruncatedNormal(), p.data.shape, p.data.dtype))
             else:
-                p.set_parameter_data(initialize_mode, p.data.shape, p.data.dtype)
+                p.set_data(initialize_mode, p.data.shape, p.data.dtype)
 
 
 def load_backbone_params(network, param_dict):
@@ -37,7 +37,7 @@ def load_backbone_params(network, param_dict):
         if 'features_2' in param_name:
             param_name = '.'.join(['features', str(int(name_split[1]) + 14)] + name_split[2:])
         if param_name in param_dict:
-            param.set_parameter_data(param_dict[param_name].data)
+            param.set_data(param_dict[param_name].data)
 
 def filter_checkpoint_parameter(param_dict):
     """remove useless parameters"""
diff --git a/model_zoo/official/cv/vgg16/src/utils/var_init.py b/model_zoo/official/cv/vgg16/src/utils/var_init.py
index 53fde61d533..3357a656d65 100644
--- a/model_zoo/official/cv/vgg16/src/utils/var_init.py
+++ b/model_zoo/official/cv/vgg16/src/utils/var_init.py
@@ -187,24 +187,24 @@ def default_recurisive_init(custom_cell):
     """default_recurisive_init"""
     for _, cell in custom_cell.cells_and_names():
         if isinstance(cell, nn.Conv2d):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_in_and_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, nn.Dense):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_in_and_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, (nn.BatchNorm2d, nn.BatchNorm1d)):
             pass
diff --git a/model_zoo/official/cv/vgg16/src/vgg.py b/model_zoo/official/cv/vgg16/src/vgg.py
index 19ca7e0dcfd..51c27e41624 100644
--- a/model_zoo/official/cv/vgg16/src/vgg.py
+++ b/model_zoo/official/cv/vgg16/src/vgg.py
@@ -101,18 +101,18 @@ class Vgg(nn.Cell):
         """
         for _, cell in self.cells_and_names():
             if isinstance(cell, nn.Conv2d):
-                cell.weight.default_input = init.initializer(
+                cell.weight.set_data(init.initializer(
                     KaimingNormal(a=math.sqrt(5), mode='fan_out', nonlinearity='relu'),
-                    cell.weight.shape, cell.weight.dtype)
+                    cell.weight.shape, cell.weight.dtype))
                 if cell.bias is not None:
-                    cell.bias.default_input = init.initializer(
-                        'zeros', cell.bias.shape, cell.bias.dtype)
+                    cell.bias.set_data(init.initializer(
+                        'zeros', cell.bias.shape, cell.bias.dtype))
             elif isinstance(cell, nn.Dense):
-                cell.weight.default_input = init.initializer(
-                    init.Normal(0.01), cell.weight.shape, cell.weight.dtype)
+                cell.weight.set_data(init.initializer(
+                    init.Normal(0.01), cell.weight.shape, cell.weight.dtype))
                 if cell.bias is not None:
-                    cell.bias.default_input = init.initializer(
-                        'zeros', cell.bias.shape, cell.bias.dtype)
+                    cell.bias.set_data(init.initializer(
+                        'zeros', cell.bias.shape, cell.bias.dtype))
 
 
 cfg = {
diff --git a/model_zoo/official/cv/yolov3_darknet53/src/initializer.py b/model_zoo/official/cv/yolov3_darknet53/src/initializer.py
index 347fc9010a8..bcc635123e6 100644
--- a/model_zoo/official/cv/yolov3_darknet53/src/initializer.py
+++ b/model_zoo/official/cv/yolov3_darknet53/src/initializer.py
@@ -155,24 +155,24 @@ def default_recurisive_init(custom_cell):
     """Initialize parameter."""
     for _, cell in custom_cell.cells_and_names():
         if isinstance(cell, nn.Conv2d):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, nn.Dense):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.shape,
-                                                         cell.weight.dtype)
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.shape,
+                                                  cell.weight.dtype))
             if cell.bias is not None:
                 fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight)
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = init.initializer(init.Uniform(bound),
-                                                           cell.bias.shape,
-                                                           cell.bias.dtype)
+                cell.bias.set_data(init.initializer(init.Uniform(bound),
+                                                    cell.bias.shape,
+                                                    cell.bias.dtype))
         elif isinstance(cell, (nn.BatchNorm2d, nn.BatchNorm1d)):
             pass
diff --git a/model_zoo/official/cv/yolov3_darknet53/src/util.py b/model_zoo/official/cv/yolov3_darknet53/src/util.py
index 315662bf133..c2776a39591 100644
--- a/model_zoo/official/cv/yolov3_darknet53/src/util.py
+++ b/model_zoo/official/cv/yolov3_darknet53/src/util.py
@@ -69,12 +69,12 @@ def load_backbone(net, ckpt_path, args):
                 darknet_weight = '{}.weight'.format(name)
                 darknet_bias = '{}.bias'.format(name)
                 if darknet_weight in param_dict:
-                    cell.weight.default_input = param_dict[darknet_weight].data
+                    cell.weight.set_data(param_dict[darknet_weight].data)
                     find_param.append(darknet_weight)
                 else:
                     not_found_param.append(darknet_weight)
                 if darknet_bias in param_dict:
-                    cell.bias.default_input = param_dict[darknet_bias].data
+                    cell.bias.set_data(param_dict[darknet_bias].data)
                     find_param.append(darknet_bias)
                 else:
                     not_found_param.append(darknet_bias)
@@ -84,22 +84,22 @@ def load_backbone(net, ckpt_path, args):
                 darknet_gamma = '{}.gamma'.format(name)
                 darknet_beta = '{}.beta'.format(name)
                 if darknet_moving_mean in param_dict:
-                    cell.moving_mean.default_input = param_dict[darknet_moving_mean].data
+                    cell.moving_mean.set_data(param_dict[darknet_moving_mean].data)
                     find_param.append(darknet_moving_mean)
                 else:
                     not_found_param.append(darknet_moving_mean)
                 if darknet_moving_variance in param_dict:
-                    cell.moving_variance.default_input = param_dict[darknet_moving_variance].data
+                    cell.moving_variance.set_data(param_dict[darknet_moving_variance].data)
                     find_param.append(darknet_moving_variance)
                 else:
                     not_found_param.append(darknet_moving_variance)
                 if darknet_gamma in param_dict:
-                    cell.gamma.default_input = param_dict[darknet_gamma].data
+                    cell.gamma.set_data(param_dict[darknet_gamma].data)
                     find_param.append(darknet_gamma)
                 else:
                     not_found_param.append(darknet_gamma)
                 if darknet_beta in param_dict:
-                    cell.beta.default_input = param_dict[darknet_beta].data
+                    cell.beta.set_data(param_dict[darknet_beta].data)
                     find_param.append(darknet_beta)
                 else:
                     not_found_param.append(darknet_beta)
diff --git a/model_zoo/official/cv/yolov3_darknet53_quant/src/initializer.py b/model_zoo/official/cv/yolov3_darknet53_quant/src/initializer.py
index 6f8134961a9..b23e5ec2f05 100644
--- a/model_zoo/official/cv/yolov3_darknet53_quant/src/initializer.py
+++ b/model_zoo/official/cv/yolov3_darknet53_quant/src/initializer.py
@@ -155,22 +155,22 @@ def default_recurisive_init(custom_cell):
     """Initialize parameter."""
     for _, cell in custom_cell.cells_and_names():
         if isinstance(cell, nn.Conv2d):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.default_input.shape,
-                                                         cell.weight.default_input.dtype).to_tensor()
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.data.shape,
+                                                  cell.weight.data.dtype).to_tensor())
             if cell.bias is not None:
-                fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight.default_input.asnumpy())
+                fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight.data.asnumpy())
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = Tensor(np.random.uniform(-bound, bound, cell.bias.default_input.shape),
-                                                 cell.bias.default_input.dtype)
+                cell.bias.set_data(Tensor(np.random.uniform(-bound, bound, cell.bias.data.shape),
+                                          cell.bias.data.dtype))
         elif isinstance(cell, nn.Dense):
-            cell.weight.default_input = init.initializer(KaimingUniform(a=math.sqrt(5)),
-                                                         cell.weight.default_input.shape,
-                                                         cell.weight.default_input.dtype).to_tensor()
+            cell.weight.set_data(init.initializer(KaimingUniform(a=math.sqrt(5)),
+                                                  cell.weight.data.shape,
+                                                  cell.weight.data.dtype).to_tensor())
             if cell.bias is not None:
-                fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight.default_input.asnumpy())
+                fan_in, _ = _calculate_fan_in_and_fan_out(cell.weight.data.asnumpy())
                 bound = 1 / math.sqrt(fan_in)
-                cell.bias.default_input = Tensor(np.random.uniform(-bound, bound, cell.bias.default_input.shape),
-                                                 cell.bias.default_input.dtype)
+                cell.bias.set_data(Tensor(np.random.uniform(-bound, bound, cell.bias.data.shape),
+                                          cell.bias.data.dtype))
         elif isinstance(cell, (nn.BatchNorm2d, nn.BatchNorm1d)):
             pass
diff --git a/model_zoo/official/cv/yolov3_darknet53_quant/src/util.py b/model_zoo/official/cv/yolov3_darknet53_quant/src/util.py
index 1a3da991815..fa609c6ced8 100644
--- a/model_zoo/official/cv/yolov3_darknet53_quant/src/util.py
+++ b/model_zoo/official/cv/yolov3_darknet53_quant/src/util.py
@@ -66,12 +66,12 @@ def load_backbone(net, ckpt_path, args):
                 darknet_weight = '{}.weight'.format(name)
                 darknet_bias = '{}.bias'.format(name)
                 if darknet_weight in param_dict:
-                    cell.weight.default_input = param_dict[darknet_weight].data
+                    cell.weight.set_data(param_dict[darknet_weight].data)
                     find_param.append(darknet_weight)
                 else:
                     not_found_param.append(darknet_weight)
                 if darknet_bias in param_dict:
-                    cell.bias.default_input = param_dict[darknet_bias].data
+                    cell.bias.set_data(param_dict[darknet_bias].data)
                     find_param.append(darknet_bias)
                 else:
                     not_found_param.append(darknet_bias)
@@ -81,22 +81,22 @@ def load_backbone(net, ckpt_path, args):
                 darknet_gamma = '{}.gamma'.format(name)
                 darknet_beta = '{}.beta'.format(name)
                 if darknet_moving_mean in param_dict:
-                    cell.moving_mean.default_input = param_dict[darknet_moving_mean].data
+                    cell.moving_mean.set_data(param_dict[darknet_moving_mean].data)
                     find_param.append(darknet_moving_mean)
                 else:
                     not_found_param.append(darknet_moving_mean)
                 if darknet_moving_variance in param_dict:
-                    cell.moving_variance.default_input = param_dict[darknet_moving_variance].data
+                    cell.moving_variance.set_data(param_dict[darknet_moving_variance].data)
                     find_param.append(darknet_moving_variance)
                 else:
                     not_found_param.append(darknet_moving_variance)
                 if darknet_gamma in param_dict:
-                    cell.gamma.default_input = param_dict[darknet_gamma].data
+                    cell.gamma.set_data(param_dict[darknet_gamma].data)
                     find_param.append(darknet_gamma)
                 else:
                     not_found_param.append(darknet_gamma)
                 if darknet_beta in param_dict:
-                    cell.beta.default_input = param_dict[darknet_beta].data
+                    cell.beta.set_data(param_dict[darknet_beta].data)
                     find_param.append(darknet_beta)
                 else:
                     not_found_param.append(darknet_beta)
diff --git a/model_zoo/official/cv/yolov3_resnet18/train.py b/model_zoo/official/cv/yolov3_resnet18/train.py
index 19ba0c20d7d..f87f062028e 100644
--- a/model_zoo/official/cv/yolov3_resnet18/train.py
+++ b/model_zoo/official/cv/yolov3_resnet18/train.py
@@ -60,7 +60,7 @@ def init_net_param(network, init_value='ones'):
     params = network.trainable_params()
     for p in params:
         if isinstance(p.data, Tensor) and 'beta' not in p.name and 'gamma' not in p.name and 'bias' not in p.name:
-            p.set_parameter_data(initializer(init_value, p.data.shape, p.data.dtype))
+            p.set_data(initializer(init_value, p.data.shape, p.data.dtype))
 
 
 def main():
diff --git a/model_zoo/official/nlp/mass/src/transformer/infer_mass.py b/model_zoo/official/nlp/mass/src/transformer/infer_mass.py
index b887e3a7b54..6fe829c4e96 100644
--- a/model_zoo/official/nlp/mass/src/transformer/infer_mass.py
+++ b/model_zoo/official/nlp/mass/src/transformer/infer_mass.py
@@ -81,7 +81,7 @@ def transformer_infer(config, dataset):
     weights = load_infer_weights(config)
 
     for param in params:
-        value = param.default_input
+        value = param.data
         name = param.name
         if name not in weights:
             raise ValueError(f"{name} is not found in weights.")
@@ -93,7 +93,7 @@ def transformer_infer(config, dataset):
                 print(name, value.asnumpy().shape)
                 if weights_name in weights:
                     assert weights_name in weights
-                    param.default_input = Tensor(weights[weights_name], mstype.float32)
+                    param.set_data(Tensor(weights[weights_name], mstype.float32))
                 else:
                     raise ValueError(f"{weights_name} is not found in checkpoint.")
             else:
diff --git a/model_zoo/official/nlp/mass/train.py b/model_zoo/official/nlp/mass/train.py
index 80ed331b54f..a2cfa548627 100644
--- a/model_zoo/official/nlp/mass/train.py
+++ b/model_zoo/official/nlp/mass/train.py
@@ -128,24 +128,24 @@ def _build_training_pipeline(config: TransformerConfig,
                 raise ValueError(f"Param {weights_name} is not found in ckpt file.")
 
             if isinstance(weights[weights_name], Parameter):
-                param.default_input = weights[weights_name].default_input
+                param.set_data(weights[weights_name].data)
             elif isinstance(weights[weights_name], Tensor):
-                param.default_input = Tensor(weights[weights_name].asnumpy(), config.dtype)
+                param.set_data(Tensor(weights[weights_name].asnumpy(), config.dtype))
             elif isinstance(weights[weights_name], np.ndarray):
-                param.default_input = Tensor(weights[weights_name], config.dtype)
+                param.set_data(Tensor(weights[weights_name], config.dtype))
             else:
-                param.default_input = weights[weights_name]
+                param.set_data(weights[weights_name])
     else:
         for param in net_with_loss.trainable_params():
             name = param.name
-            value = param.default_input
+            value = param.data
             if isinstance(value, Tensor):
                 if name.endswith(".gamma"):
-                    param.default_input = one_weight(value.asnumpy().shape)
+                    param.set_data(one_weight(value.asnumpy().shape))
                 elif name.endswith(".beta") or name.endswith(".bias"):
-                    param.default_input = zero_weight(value.asnumpy().shape)
+                    param.set_data(zero_weight(value.asnumpy().shape))
                 else:
-                    param.default_input = weight_variable(value.asnumpy().shape)
+                    param.set_data(weight_variable(value.asnumpy().shape))
 
     dataset = pre_training_dataset if pre_training_dataset is not None \
         else fine_tune_dataset
diff --git a/tests/mindspore_test_framework/utils/block_util.py b/tests/mindspore_test_framework/utils/block_util.py
index 0ecfd066dc4..d6f4f609787 100644
--- a/tests/mindspore_test_framework/utils/block_util.py
+++ b/tests/mindspore_test_framework/utils/block_util.py
@@ -39,7 +39,7 @@ def set_block_param_with_rand(net, rand_func=None):
         return
     net.init_parameters_data()
     for param in net.trainable_params():
-        param.default_input = Tensor(rand_func(param.default_input.asnumpy().shape))
+        param.set_data(Tensor(rand_func(param.data.asnumpy().shape)))
 
 
 def compile_block(net, *inputs, rand_func=None, training=True):
diff --git a/tests/mindspore_test_framework/utils/check_gradient.py b/tests/mindspore_test_framework/utils/check_gradient.py
index c11a7db5de5..61ce116d031 100644
--- a/tests/mindspore_test_framework/utils/check_gradient.py
+++ b/tests/mindspore_test_framework/utils/check_gradient.py
@@ -192,7 +192,7 @@ class _GradChecker:
 
     def check_against_numeric_one_step(self, args, index, out_index):
         if isinstance(args, ParameterTuple):
-            x = args[index].default_input.asnumpy()
+            x = args[index].data.asnumpy()
         else:
             x = args[index]
         x_shape = x.shape
@@ -239,7 +239,7 @@ class _GradChecker:
 
     def check_against_numeric_jacobian_one_step(self, args, index, out_index):
         if isinstance(args, ParameterTuple):
-            x = args[index].default_input.asnumpy()
+            x = args[index].data.asnumpy()
         else:
             x = args[index]
         x_shape = x.shape
diff --git a/tests/st/model_zoo_tests/yolov3/test_yolov3.py b/tests/st/model_zoo_tests/yolov3/test_yolov3.py
index ed45f02a987..3457f718ea5 100644
--- a/tests/st/model_zoo_tests/yolov3/test_yolov3.py
+++ b/tests/st/model_zoo_tests/yolov3/test_yolov3.py
@@ -55,7 +55,7 @@ def init_net_param(network, init_value='ones'):
     params = network.trainable_params()
     for p in params:
         if isinstance(p.data, Tensor) and 'beta' not in p.name and 'gamma' not in p.name and 'bias' not in p.name:
-            p.set_parameter_data(initializer(init_value, p.data.shape, p.data.dtype))
+            p.set_data(initializer(init_value, p.data.shape, p.data.dtype))
 
 class ModelCallback(Callback):
     def __init__(self):
diff --git a/tests/st/networks/models/bert/bert_performance/test_bert_tdt_lossscale.py b/tests/st/networks/models/bert/bert_performance/test_bert_tdt_lossscale.py
index f44fd64074b..ab169e975ef 100644
--- a/tests/st/networks/models/bert/bert_performance/test_bert_tdt_lossscale.py
+++ b/tests/st/networks/models/bert/bert_performance/test_bert_tdt_lossscale.py
@@ -211,22 +211,22 @@ def test_bert_performance():
     callback = ModelCallback()
     params = netwithloss.trainable_params()
     for param in params:
-        value = param.default_input
+        value = param.data
         name = param.name
         if isinstance(value, Tensor):
             if name.split('.')[-1] in ['weight']:
                 if name.split('.')[-3] in ['cls2']:
                     logger.info("***************** BERT param name is 1 {}".format(name))
-                    param.default_input = weight_variable(value.asnumpy().shape)
+                    param.set_data(weight_variable(value.asnumpy().shape))
                 else:
                     logger.info("***************** BERT param name is 2 {}".format(name))
                     tempshape = value.asnumpy().shape
                     shape = (tempshape[1], tempshape[0])
                     weight_value = weight_variable(shape).asnumpy()
-                    param.default_input = Tensor(np.transpose(weight_value, [1, 0]))
+                    param.set_data(Tensor(np.transpose(weight_value, [1, 0])))
             else:
                 logger.info("***************** BERT param name is 3 {}".format(name))
-                param.default_input = weight_variable(value.asnumpy().shape)
+                param.set_data(weight_variable(value.asnumpy().shape))
     time_monitor_callback = TimeMonitor(sink_size)
     model.train(new_repeat_count, ds, callbacks=[time_monitor_callback, callback],
                 dataset_sink_mode=True, sink_size=sink_size)
diff --git a/tests/st/networks/models/bert/bert_precision/test_bert_tdt_lossscale.py b/tests/st/networks/models/bert/bert_precision/test_bert_tdt_lossscale.py
index 3501b9a5341..ad904e5e8ab 100644
--- a/tests/st/networks/models/bert/bert_precision/test_bert_tdt_lossscale.py
+++ b/tests/st/networks/models/bert/bert_precision/test_bert_tdt_lossscale.py
@@ -208,22 +208,22 @@ def test_bert_percision():
     callback = ModelCallback()
     params = netwithloss.trainable_params()
     for param in params:
-        value = param.default_input
+        value = param.data
         name = param.name
         if isinstance(value, Tensor):
             if name.split('.')[-1] in ['weight']:
                 if name.split('.')[-3] in ['cls2']:
                     logger.info("***************** BERT param name is 1 {}".format(name))
-                    param.default_input = weight_variable(value.asnumpy().shape)
+                    param.set_data(weight_variable(value.asnumpy().shape))
                 else:
                     logger.info("***************** BERT param name is 2 {}".format(name))
                     tempshape = value.asnumpy().shape
                     shape = (tempshape[1], tempshape[0])
                     weight_value = weight_variable(shape).asnumpy()
-                    param.default_input = Tensor(np.transpose(weight_value, [1, 0]))
+                    param.set_data(Tensor(np.transpose(weight_value, [1, 0])))
             else:
                 logger.info("***************** BERT param name is 3 {}".format(name))
-                param.default_input = weight_variable(value.asnumpy().shape)
+                param.set_data(weight_variable(value.asnumpy().shape))
     model.train(new_repeat_count, ds, callbacks=callback, dataset_sink_mode=False)
 
     # assertion occurs while the loss value, overflow state or loss_scale value is wrong
diff --git a/tests/st/networks/models/bert/test_bert_graph_kernel.py b/tests/st/networks/models/bert/test_bert_graph_kernel.py
index 23075ddcbdc..469871a7774 100644
--- a/tests/st/networks/models/bert/test_bert_graph_kernel.py
+++ b/tests/st/networks/models/bert/test_bert_graph_kernel.py
@@ -173,22 +173,22 @@ def test_bert_tdt():
     netwithloss.init_parameters_data()
     params = netwithloss.trainable_params()
     for param in params:
-        value = param.default_input
+        value = param.data
         name = param.name
         if isinstance(value, Tensor):
             if name.split('.')[-1] in ['weight']:
                 if name.split('.')[-3] in ['cls2']:
                     logger.info("***************** BERT param name is 1 {}".format(name))
-                    param.default_input = weight_variable(value.asnumpy().shape)
+                    param.set_data(weight_variable(value.asnumpy().shape))
                 else:
                     logger.info("***************** BERT param name is 2 {}".format(name))
                     tempshape = value.asnumpy().shape
                     shape = (tempshape[1], tempshape[0])
                     weight_value = weight_variable(shape).asnumpy()
-                    param.default_input = Tensor(np.transpose(weight_value, [1, 0]))
+                    param.set_data(Tensor(np.transpose(weight_value, [1, 0])))
             else:
                 logger.info("***************** BERT param name is 3 {}".format(name))
-                param.default_input = weight_variable(value.asnumpy().shape)
+                param.set_data(weight_variable(value.asnumpy().shape))
     model.train(1, ds, callbacks=callback, dataset_sink_mode=False)
 
     # assertion occurs while the loss value, overflow state or loss_scale value is wrong
diff --git a/tests/st/networks/models/deeplabv3/test_deeplabv3.py b/tests/st/networks/models/deeplabv3/test_deeplabv3.py
index 8ee6000eeeb..5a5fab107ac 100644
--- a/tests/st/networks/models/deeplabv3/test_deeplabv3.py
+++ b/tests/st/networks/models/deeplabv3/test_deeplabv3.py
@@ -65,7 +65,7 @@ class LossCallBack(Callback):
 def model_fine_tune(train_net, fix_weight_layer):
     train_net.init_parameters_data()
     for para in train_net.trainable_params():
-        para.set_parameter_data(Tensor(np.ones(para.data.shape).astype(np.float32) * 0.02))
+        para.set_data(Tensor(np.ones(para.data.shape).astype(np.float32) * 0.02))
         if fix_weight_layer in para.name:
             para.requires_grad = False
 
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_adam.py b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_adam.py
index 1edfd088a56..3f52ad27b31 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_adam.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_adam.py
@@ -48,6 +48,6 @@ def test_net():
     net = Net()
     output = net(gradient, indices)
     print(output)
-    print(net.var.default_input)
-    print(net.m.default_input)
-    print(net.v.default_input)
+    print(net.var.data)
+    print(net.m.data)
+    print(net.v.data)
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_ftrl.py b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_ftrl.py
index 6b35406c6f7..f48235fbcab 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_ftrl.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_ftrl.py
@@ -45,6 +45,6 @@ def test_net():
     net = Net()
     output = net(gradient, indices)
     print(output)
-    print(net.var.default_input)
-    print(net.accum.default_input)
-    print(net.linear.default_input)
+    print(net.var.data)
+    print(net.accum.data)
+    print(net.linear.data)
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_lazy_adam.py b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_lazy_adam.py
index 43b28710a14..f9221a397ce 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_lazy_adam.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_lazy_adam.py
@@ -48,6 +48,6 @@ def test_net():
     net = Net()
     output = net(gradient, indices)
     print(output)
-    print(net.var.default_input)
-    print(net.m.default_input)
-    print(net.v.default_input)
+    print(net.var.data)
+    print(net.m.data)
+    print(net.v.data)
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_proximal_adagrad.py b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_proximal_adagrad.py
index b5d837a2edb..8acc6112124 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_proximal_adagrad.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_fused_sparse_proximal_adagrad.py
@@ -43,5 +43,5 @@ def test_net():
     net = Net()
     output = net(gradient, indices)
     print(output)
-    print(net.var.default_input)
-    print(net.accum.default_input)
+    print(net.var.data)
+    print(net.accum.data)
diff --git a/tests/st/ops/cpu/test_scatter_nd_update_op.py b/tests/st/ops/cpu/test_scatter_nd_update_op.py
index 4e0fbf54088..6791284dae6 100644
--- a/tests/st/ops/cpu/test_scatter_nd_update_op.py
+++ b/tests/st/ops/cpu/test_scatter_nd_update_op.py
@@ -65,9 +65,9 @@ def test_op1():
 
     scatter_nd_update = ScatterNdUpdate1()
     scatter_nd_update(indices, update)
-    print("x:\n", scatter_nd_update.x.default_input)
+    print("x:\n", scatter_nd_update.x.data)
     expect = [[1.0, 0.3, 3.6], [0.4, 2.2, -3.2]]
-    assert np.allclose(scatter_nd_update.x.default_input.asnumpy(), np.array(expect, np.float))
+    assert np.allclose(scatter_nd_update.x.data.asnumpy(), np.array(expect, np.float))
 
 
 @pytest.mark.level0
@@ -79,9 +79,9 @@ def test_op2():
 
     scatter_nd_update = ScatterNdUpdate2()
     scatter_nd_update(indices, update)
-    print("x:\n", scatter_nd_update.x.default_input)
+    print("x:\n", scatter_nd_update.x.data)
     expect = [1, 11, 3, 10, 9, 6, 7, 12]
-    assert np.allclose(scatter_nd_update.x.default_input.asnumpy(), np.array(expect, dtype=float))
+    assert np.allclose(scatter_nd_update.x.data.asnumpy(), np.array(expect, dtype=float))
 
 
 @pytest.mark.level0
@@ -96,9 +96,9 @@ def test_op3():
 
     scatter_nd_update = ScatterNdUpdate3()
     scatter_nd_update(indices, update)
-    print("x:\n", scatter_nd_update.x.default_input)
+    print("x:\n", scatter_nd_update.x.data)
     expect = [[[5, 5, 5, 5], [6, 6, 6, 6], [7, 7, 7, 7], [8, 8, 8, 8]],
               [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
               [[5, 5, 5, 5], [6, 6, 6, 6], [7, 7, 7, 7], [8, 8, 8, 8]],
               [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]]
-    assert np.allclose(scatter_nd_update.x.default_input.asnumpy(), np.array(expect, dtype=float))
+    assert np.allclose(scatter_nd_update.x.data.asnumpy(), np.array(expect, dtype=float))
diff --git a/tests/st/ops/cpu/test_sparse_apply_adam_op.py b/tests/st/ops/cpu/test_sparse_apply_adam_op.py
index e57b8b515d5..473fb4e17cb 100644
--- a/tests/st/ops/cpu/test_sparse_apply_adam_op.py
+++ b/tests/st/ops/cpu/test_sparse_apply_adam_op.py
@@ -54,7 +54,7 @@ def test_net():
     context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
     sparse_apply_adam = Net()
     sparse_apply_adam(gradient, indices)
-    print(sparse_apply_adam.var.default_input)
+    print(sparse_apply_adam.var.data)
     expect_var = np.array([[[0.9996838, 0.9996838, 0.9996838],
                             [0.9996838, 0.9996838, 0.9996838],
                             [0.9996838, 0.9996838, 0.9996838]],
@@ -64,4 +64,4 @@ def test_net():
                            [[0.9996838, 0.9996838, 0.9996838],
                             [0.9996838, 0.9996838, 0.9996838],
                             [0.9996838, 0.9996838, 0.9996838]]]).astype(np.float32)
-    assert np.all(sparse_apply_adam.var.default_input.asnumpy() == expect_var)
+    assert np.all(sparse_apply_adam.var.data.asnumpy() == expect_var)
diff --git a/tests/st/ops/cpu/test_sparse_apply_ftrl_op.py b/tests/st/ops/cpu/test_sparse_apply_ftrl_op.py
index 31826b3fab6..4c20a28536a 100644
--- a/tests/st/ops/cpu/test_sparse_apply_ftrl_op.py
+++ b/tests/st/ops/cpu/test_sparse_apply_ftrl_op.py
@@ -46,7 +46,7 @@ def test_net():
     context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
     sparse_apply_ftrl = Net()
     sparse_apply_ftrl(gradient, indices)
-    print(sparse_apply_ftrl.var.default_input)
+    print(sparse_apply_ftrl.var.data)
     expect_var = np.array([[[0.291479, 0.291479, 0.291479],
                             [0.291479, 0.291479, 0.291479],
                             [0.291479, 0.291479, 0.291479]],
@@ -56,4 +56,4 @@ def test_net():
                            [[0.291479, 0.291479, 0.291479],
                             [0.291479, 0.291479, 0.291479],
                             [0.291479, 0.291479, 0.291479]]]).astype(np.float32)
-    assert np.all(sparse_apply_ftrl.var.default_input.asnumpy() == expect_var)
+    assert np.all(sparse_apply_ftrl.var.data.asnumpy() == expect_var)
diff --git a/tests/st/ops/cpu/test_sparse_apply_proximal_adagrad_op.py b/tests/st/ops/cpu/test_sparse_apply_proximal_adagrad_op.py
index 696f3bf0169..929c6317631 100644
--- a/tests/st/ops/cpu/test_sparse_apply_proximal_adagrad_op.py
+++ b/tests/st/ops/cpu/test_sparse_apply_proximal_adagrad_op.py
@@ -48,7 +48,7 @@ def test_net():
     context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
     sparse_apply_proximal_adagrad = Net()
     sparse_apply_proximal_adagrad(gradient, indices)
-    print(sparse_apply_proximal_adagrad.var.default_input)
+    print(sparse_apply_proximal_adagrad.var.data)
     expect_var = np.array([[[0.9929289, 0.9929289, 0.9929289],
                             [0.9929289, 0.9929289, 0.9929289],
                             [0.9929289, 0.9929289, 0.9929289]],
@@ -58,4 +58,4 @@ def test_net():
                            [[0.9929289, 0.9929289, 0.9929289],
                             [0.9929289, 0.9929289, 0.9929289],
                             [0.9929289, 0.9929289, 0.9929289]]]).astype(np.float32)
-    assert np.all(sparse_apply_proximal_adagrad.var.default_input.asnumpy() == expect_var)
+    assert np.all(sparse_apply_proximal_adagrad.var.data.asnumpy() == expect_var)
diff --git a/tests/st/ops/gpu/test_assign_op.py b/tests/st/ops/gpu/test_assign_op.py
index 5beccde8fd6..251d07ca934 100644
--- a/tests/st/ops/gpu/test_assign_op.py
+++ b/tests/st/ops/gpu/test_assign_op.py
@@ -47,7 +47,7 @@ def test_assign():
 
     error = np.ones(shape=[2, 2]) * 1.0e-6
     diff1 = output.asnumpy() - value
-    diff2 = assign.var.default_input.asnumpy() - value
+    diff2 = assign.var.data.asnumpy() - value
     assert np.all(diff1 < error)
     assert np.all(-diff1 < error)
     assert np.all(diff2 < error)
diff --git a/tests/ut/python/nn/test_parameter.py b/tests/ut/python/nn/test_parameter.py
index d0fd60599a0..69719a5b280 100644
--- a/tests/ut/python/nn/test_parameter.py
+++ b/tests/ut/python/nn/test_parameter.py
@@ -158,15 +158,15 @@ def test_parameter_compute():
 def test_scalar_parameter_update():
     # float
     fp = Parameter(0.5, 'fp')
-    fp.default_input = 0.8
-    assert np.array_equal(fp.default_input.asnumpy(), np.array(0.8, np.float32))
-    fp.default_input = 1
-    assert np.array_equal(fp.default_input.asnumpy(), np.array(1.0, np.float32))
+    fp.set_data(0.8)
+    assert np.array_equal(fp.data.asnumpy(), np.array(0.8, np.float32))
+    fp.set_data(1)
+    assert np.array_equal(fp.data.asnumpy(), np.array(1.0, np.float32))
     int_ = Parameter(1, 'fp')
-    int_.default_input = 2
-    assert np.array_equal(int_.default_input.asnumpy(), np.array(2, np.int32))
+    int_.set_data(2)
+    assert np.array_equal(int_.data.asnumpy(), np.array(2, np.int32))
     with pytest.raises(TypeError):
-        int_.default_input = 1.2
+        int_.set_data(1.2)
     # Tensor
     fp32 = Tensor(0.5, mstype.float32)
     int32 = Tensor(2, mstype.int32)
@@ -175,59 +175,59 @@ def test_scalar_parameter_update():
     bool_ = Tensor(np.array(True, dtype=np.bool_))
     # updata_by_tensor
     fp32_p = Parameter(fp32, 'fp32')
-    fp32_p.default_input = 0.8
-    fp32_p.default_input = 1
-    fp32_p.default_input = int32
-    fp32_p.default_input = fp32
-    fp32_p.default_input = int16
-    fp32_p.default_input = fp16
-    fp32_p.default_input = bool_
+    fp32_p.set_data(0.8)
+    fp32_p.set_data(1)
+    fp32_p.set_data(int32)
+    fp32_p.set_data(fp32)
+    fp32_p.set_data(int16)
+    fp32_p.set_data(fp16)
+    fp32_p.set_data(bool_)
 
     # updata_by_tensor
     fp16_p = Parameter(fp16, 'fp16')
     with pytest.raises(TypeError):
-        fp16_p.default_input = fp32
+        fp16_p.set_data(fp32)
 
 
 def test_parameter_lazy_init():
     # support lazy init in SEMI_AUTO_PARALLEL mode
     context.reset_auto_parallel_context()
     context.set_auto_parallel_context(parallel_mode="semi_auto_parallel", device_num=8)
-    # Call init_data() without set default_input.
+    # Call init_data() without set set_data.
     para = Parameter(initializer('ones', [1, 2, 3], mstype.float32), 'test1')
-    assert not isinstance(para.default_input, Tensor)
+    assert not isinstance(para.data, Tensor)
     para = para.init_data()
-    assert isinstance(para.default_input, Tensor)
-    assert np.array_equal(para.default_input.asnumpy(), np.ones((1, 2, 3)))
+    assert isinstance(para.data, Tensor)
+    assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
 
-    # Call init_data() after default_input is set.
+    # Call init_data() after set_data is set.
     para = Parameter(initializer('ones', [1, 2, 3], mstype.float32), 'test2')
-    assert not isinstance(para.default_input, Tensor)
+    assert not isinstance(para.data, Tensor)
     # expect type error when not init
     with pytest.raises(TypeError):
-        para.default_input = Tensor(np.zeros((1, 2, 3)))
+        para.set_data(Tensor(np.zeros((1, 2, 3))))
     # init then assign
     para = para.init_data()
     # check the type
     with pytest.raises(TypeError):
-        para.default_input = Tensor(np.zeros((1, 2, 3)))
+        para.set_data(Tensor(np.zeros((1, 2, 3))))
     # check the shape
     with pytest.raises(ValueError):
-        para.default_input = Tensor(np.zeros((1, 2)))
+        para.set_data(Tensor(np.zeros((1, 2))))
     # expect change ok
-    para.default_input = Tensor(np.zeros((1, 2, 3)).astype(np.float32))
-    assert np.array_equal(para.default_input.asnumpy(), np.zeros((1, 2, 3)))
-    para.default_input = initializer('ones', [1, 2, 3], mstype.float32)
-    assert isinstance(para.default_input, Tensor)
+    para.set_data(Tensor(np.zeros((1, 2, 3)).astype(np.float32)))
+    assert np.array_equal(para.data.asnumpy(), np.zeros((1, 2, 3)))
+    para.set_data(initializer('ones', [1, 2, 3], mstype.float32))
+    assert isinstance(para.data, Tensor)
     # same object and has inited
-    assert np.array_equal(para.default_input.asnumpy(), np.ones((1, 2, 3)))
+    assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
     # expect no effect.
     para.init_data()
-    assert np.array_equal(para.default_input.asnumpy(), np.ones((1, 2, 3)))
-    para.set_parameter_data(Tensor(np.zeros((1, 2)).astype(np.float32)), slice_shape=True)
-    assert np.array_equal(para.default_input.asnumpy(), np.zeros((1, 2)))
-    para.set_parameter_data(initializer('ones', [1, 2], mstype.float32), slice_shape=True)
-    assert np.array_equal(para.default_input.asnumpy(), np.ones((1, 2)))
+    assert np.array_equal(para.data.asnumpy(), np.ones((1, 2, 3)))
+    para.set_data(Tensor(np.zeros((1, 2)).astype(np.float32)), slice_shape=True)
+    assert np.array_equal(para.data.asnumpy(), np.zeros((1, 2)))
+    para.set_data(initializer('ones', [1, 2], mstype.float32), slice_shape=True)
+    assert np.array_equal(para.data.asnumpy(), np.ones((1, 2)))
     context.reset_auto_parallel_context()
 
 
@@ -243,7 +243,7 @@ def test_parameter_as_output():
             self.updated = updated
             self.p = Parameter(self.initial, name="weight")
             self.new_p = self.p.init_data()
-            self.new_p.set_parameter_data(self.updated)
+            self.new_p.set_data(self.updated)
         def construct(self):
             return self.new_p
 
diff --git a/tests/ut/python/onnx/test_onnx.py b/tests/ut/python/onnx/test_onnx.py
index 019ecfe9c20..73dea6b6ffa 100644
--- a/tests/ut/python/onnx/test_onnx.py
+++ b/tests/ut/python/onnx/test_onnx.py
@@ -217,7 +217,7 @@ def test_onnx_export_load_run(name, net, inp):
     print(outputs[0])
     # overwrite default weight to run model
     for item in net.trainable_params():
-        default_value = item.default_input.asnumpy()
+        default_value = item.data.asnumpy()
         input_map[item.name] = np.ones(default_value.shape, dtype=default_value.dtype)
     outputs = ort_session.run(None, input_map)
     print(outputs[0])
diff --git a/tests/ut/python/utils/test_callback.py b/tests/ut/python/utils/test_callback.py
index d733361258e..0fc79a5eab5 100644
--- a/tests/ut/python/utils/test_callback.py
+++ b/tests/ut/python/utils/test_callback.py
@@ -201,7 +201,7 @@ def test_checkpoint_cb_for_save_op_update_net():
     net = Net()
     _set_cur_net(net)
     _checkpoint_cb_for_save_op(parameter_list)
-    assert net.conv.weight.default_input.asnumpy()[0][0][0][0] == 1
+    assert net.conv.weight.data.asnumpy()[0][0][0][0] == 1
 
 
 def test_internal_callback_param():
diff --git a/tests/ut/python/utils/test_serialize.py b/tests/ut/python/utils/test_serialize.py
index ae17e479574..214c2dcc3e1 100644
--- a/tests/ut/python/utils/test_serialize.py
+++ b/tests/ut/python/utils/test_serialize.py
@@ -203,7 +203,7 @@ def test_load_param_into_net_error_dict():
 def test_load_param_into_net_erro_dict_param():
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = ''
@@ -216,7 +216,7 @@ def test_load_param_into_net_has_more_param():
     """ test_load_param_into_net_has_more_param """
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = Parameter(Tensor(np.ones(shape=(64, 3, 7, 7)), dtype=mstype.float32),
@@ -226,13 +226,13 @@ def test_load_param_into_net_has_more_param():
                           name="conv1.weight")
     parameter_dict["conv1.w"] = two_param
     load_param_into_net(net, parameter_dict)
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 1
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 1
 
 
 def test_load_param_into_net_param_type_and_shape_error():
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = Parameter(Tensor(np.ones(shape=(64, 3, 7, 7))), name="conv1.weight")
@@ -244,7 +244,7 @@ def test_load_param_into_net_param_type_and_shape_error():
 def test_load_param_into_net_param_type_error():
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = Parameter(Tensor(np.ones(shape=(64, 3, 7, 7)), dtype=mstype.int32),
@@ -257,7 +257,7 @@ def test_load_param_into_net_param_type_error():
 def test_load_param_into_net_param_shape_error():
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = Parameter(Tensor(np.ones(shape=(64, 3, 7,)), dtype=mstype.int32),
@@ -270,14 +270,14 @@ def test_load_param_into_net_param_shape_error():
 def test_load_param_into_net():
     net = Net(10)
     net.init_parameters_data()
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 0
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 0
 
     parameter_dict = {}
     one_param = Parameter(Tensor(np.ones(shape=(64, 3, 7, 7)), dtype=mstype.float32),
                           name="conv1.weight")
     parameter_dict["conv1.weight"] = one_param
     load_param_into_net(net, parameter_dict)
-    assert net.conv1.weight.default_input.asnumpy()[0][0][0][0] == 1
+    assert net.conv1.weight.data.asnumpy()[0][0][0][0] == 1
 
 
 def test_save_checkpoint_for_network():