diff --git a/mindspore/_extends/builtin_operations.py b/mindspore/_extends/builtin_operations.py
index 087b7047196ee8951b51a44fb8e8dbf3a32367d3..6fea07425e60238c885e69f4045962206af790fe 100644
--- a/mindspore/_extends/builtin_operations.py
+++ b/mindspore/_extends/builtin_operations.py
@@ -125,7 +125,7 @@ def list_len(x):
     return len(x)
 
 
-# only used in PyNative modes
+# only used in PyNative mode
 def partial(*args):
     """Implement `partial`."""
     func = args[0].__call__
@@ -133,10 +133,14 @@ def partial(*args):
     return partial_func
 
 
-# only used in PyNative modes
+# only used in PyNative mode
 def depend(value, expr):
     return value
 
+# only used in PyNative mode
+def make_ref(key, value, ref):
+    return value
+
 
 def scalar_cast(x, t):
     """Implement scalar_cast."""
diff --git a/mindspore/ccsrc/pipeline/pipeline.cc b/mindspore/ccsrc/pipeline/pipeline.cc
index 003d4c15e9963b10addf47e9a1f96c9c710b978e..cd4fe28db9389826c18003de3f11c5f67e09aaac 100644
--- a/mindspore/ccsrc/pipeline/pipeline.cc
+++ b/mindspore/ccsrc/pipeline/pipeline.cc
@@ -616,17 +616,19 @@ py::object ExecutorPy::Run(const py::tuple& args, const py::object& phase) {
     return ExecDFGraph(info_, args, phase_s);
   }
 #else
-  if (backend == "ge") {
-    std::shared_ptr<py::object> ret_val = std::make_shared<py::object>();
+  if (backend == "ms" || backend == "ge") {
+    auto ret_val = std::make_shared<py::object>();
     if (info_.count(phase_s) != 0 && info_[phase_s]->func_graph != nullptr) {
       if (IsGraphOutputValueNodeOrParameter(info_[phase_s]->func_graph->output(), args, ret_val)) {
         return *ret_val;
       }
     }
-    if (args.size() > 0) {
-      return args[0];
+    if (backend == "ge") {
+      if (args.size() > 0) {
+        return args[0];
+      }
+      return args;
     }
-    return args;
   }
 #endif
   std::size_t full_arg_size = ArgListSize(phase_s);
diff --git a/mindspore/ccsrc/pynative/pynative_execute.cc b/mindspore/ccsrc/pynative/pynative_execute.cc
index 4144ad2d6ba0945adda926a63c314628bccc728c..5620634bccaa7d5a8bd6cad53a701b8acc990bba 100644
--- a/mindspore/ccsrc/pynative/pynative_execute.cc
+++ b/mindspore/ccsrc/pynative/pynative_execute.cc
@@ -20,11 +20,13 @@
 #include <map>
 #include <set>
 #include <unordered_set>
+#include <algorithm>
 
 #include "utils/any.h"
 #include "utils/utils.h"
 #include "utils/context/ms_context.h"
 #include "operator/ops.h"
+#include "operator/composite/do_signature.h"
 #include "pipeline/parse/data_converter.h"
 #include "pipeline/static_analysis/prim.h"
 #include "session/session_factory.h"
@@ -50,6 +52,57 @@ inline ValuePtr PyAttrValue(const py::object& obj) {
   return converted_ret;
 }
 
+py::tuple ConvertInputs(const PrimitivePyPtr& prim, const py::tuple& py_args) {
+  auto signature = prim->signatures();
+  std::vector<SignatureEnumDType> dtypes;
+  (void)std::transform(signature.begin(), signature.end(), std::back_inserter(dtypes),
+                       [](const Signature& sig) { return sig.dtype; });
+  int empty_dtype_count = std::count(dtypes.begin(), dtypes.end(), SignatureEnumDType::kDTypeEmptyDefaultValue);
+  if (dtypes.size() == 0 || static_cast<int>(dtypes.size()) == empty_dtype_count) {
+    return py_args;
+  }
+  std::map<SignatureEnumDType, std::vector<size_t>> type_indexs;
+  for (size_t i = 0; i < dtypes.size(); ++i) {
+    auto it = type_indexs.find(dtypes[i]);
+    if (it == type_indexs.end()) {
+      (void)type_indexs.insert(std::make_pair(dtypes[i], std::vector<size_t>{i}));
+    } else {
+      it->second.push_back(i);
+    }
+  }
+  std::map<SignatureEnumDType, size_t> dst_type;
+  for (auto it = type_indexs.begin(); it != type_indexs.end(); (void)++it) {
+    auto type = it->first;
+    auto indexs = it->second;
+    if (indexs.size() < 2) {
+      continue;
+    }
+    size_t m_index = indexs[0];
+    for (size_t i = 1; i < indexs.size(); ++i) {
+      if (py::isinstance<tensor::Tensor>(py_args[indexs[i]])) {
+        m_index = indexs[i];
+      }
+    }
+    (void)dst_type.insert(std::make_pair(type, m_index));
+  }
+  py::tuple py_inputs(py_args.size());
+  for (size_t i = 0; i < py_args.size(); ++i) {
+    auto it = dst_type.find(dtypes[i]);
+    if (it != dst_type.end() && it->second != i &&
+        (py::isinstance<py::int_>(py_args[i]) || py::isinstance<py::float_>(py_args[i]))) {
+      auto tensor_ptr = py::cast<tensor::TensorPtr>(py_args[it->second]);
+      if (py::isinstance<py::int_>(py_args[i])) {
+        py_inputs[i] = std::make_shared<tensor::Tensor>(py::cast<py::int_>(py_args[i]), tensor_ptr->Dtype());
+      } else {
+        py_inputs[i] = std::make_shared<tensor::Tensor>(py::cast<py::float_>(py_args[i]), tensor_ptr->Dtype());
+      }
+      continue;
+    }
+    py_inputs[i] = py_args[i];
+  }
+  return py_inputs;
+}
+
 void PynativeInfer(const PrimitivePyPtr& prim, const py::tuple& py_args, OpExecInfo* const op_exec_info) {
   size_t size = py_args.size();
   AbstractBasePtrList args_spec_list;
@@ -73,30 +126,22 @@ OpExecInfoPtr GenerateOpExecInfo(const py::args& args) {
   auto op_exec_info = std::make_shared<OpExecInfo>();
   MS_EXCEPTION_IF_NULL(op_exec_info);
   op_exec_info->op_name = py::cast<std::string>(args[PY_NAME]);
-  if (py::isinstance<py::none>(args[PY_PRIM])) {
-    py::module ops_mod = py::module::import("mindspore.ops.operations");
-    py::object py_primitive = ops_mod.attr(op_exec_info->op_name.c_str())();
-    op_exec_info->py_primitive = py::cast<PrimitivePyPtr>(py_primitive);
-    py::dict none_attrs = py::dict();
-    op_exec_info->op_attrs = none_attrs;
-  } else {
-    PrimitivePyPtr prim = py::cast<PrimitivePyPtr>(args[PY_PRIM]);
-    auto pyobj = prim->GetPyObj();
-    if (pyobj == nullptr) {
-      MS_LOG(EXCEPTION) << "pyobj is empty";
-    }
-    py::tuple py_args = args[PY_INPUTS];
-    // use python infer method
-    if (ignore_infer_prim.find(op_exec_info->op_name) == ignore_infer_prim.end()) {
-      PynativeInfer(prim, py_args, op_exec_info.get());
-    }
-    op_exec_info->py_primitive = prim;
-    op_exec_info->op_attrs = py::getattr(args[PY_PRIM], "attrs");
+  auto prim = py::cast<PrimitivePyPtr>(args[PY_PRIM]);
+  auto pyobj = prim->GetPyObj();
+  if (pyobj == nullptr) {
+    MS_LOG(EXCEPTION) << "pyobj is empty";
+  }
+  py::tuple py_args = ConvertInputs(prim, args[PY_INPUTS]);
+  // use python infer method
+  if (ignore_infer_prim.find(op_exec_info->op_name) == ignore_infer_prim.end()) {
+    PynativeInfer(prim, py_args, op_exec_info.get());
   }
-  op_exec_info->op_inputs = args[PY_INPUTS];
+  op_exec_info->py_primitive = prim;
+  op_exec_info->op_attrs = py::getattr(args[PY_PRIM], "attrs");
+  op_exec_info->op_inputs = py_args;
   op_exec_info->inputs_mask = args[PY_INPUT_MASK];
   if (op_exec_info->op_inputs.size() != op_exec_info->inputs_mask.size()) {
-    MS_LOG(ERROR) << "" << op_exec_info->op_name << " op_inputs size not equal op_mask";
+    MS_LOG(ERROR) << "op:" << op_exec_info->op_name << " inputs size not equal op_mask";
     return nullptr;
   }
   return op_exec_info;
diff --git a/mindspore/common/parameter.py b/mindspore/common/parameter.py
index c8ddf0eac62e12e84953507c91e361d8a67d5fd0..c354bcd235202347f2d345727d9e16a3f55a1df3 100644
--- a/mindspore/common/parameter.py
+++ b/mindspore/common/parameter.py
@@ -14,7 +14,7 @@
 # ============================================================================
 
 """Parameter for cell."""
-from copy import copy
+from copy import copy, deepcopy
 import numpy as np
 from .initializer import initializer
 from .tensor import Tensor
@@ -156,16 +156,24 @@ class Parameter:
         return self.default_input
 
     def __add__(self, other):
-        return self.default_input + other
+        res = deepcopy(self)
+        res.default_input = res.default_input + other
+        return res
 
     def __sub__(self, other):
-        return self.default_input - other
+        res = deepcopy(self)
+        res.default_input = res.default_input - other
+        return res
 
     def __mul__(self, other):
-        return self.default_input * other
+        res = deepcopy(self)
+        res.default_input = res.default_input * other
+        return res
 
     def __truediv__(self, other):
-        return self.default_input / other
+        res = deepcopy(self)
+        res.default_input = res.default_input / other
+        return res
 
     def set_parameter_data(self, data):
         if isinstance(data, (Tensor, list, int, float,
diff --git a/mindspore/common/tensor.py b/mindspore/common/tensor.py
index 709b2ae2805ed69a006b71677205b6f9dab223f6..70b8b169ca1466e6632bd80c85e2f4f593ce01e8 100644
--- a/mindspore/common/tensor.py
+++ b/mindspore/common/tensor.py
@@ -70,45 +70,60 @@ class Tensor(Tensor_):
         return str(self.__str__())
 
     def __add__(self, other):
-        if not isinstance(other, Tensor):
-            raise TypeError("input_data must be a tensor")
+        check_type('tensor input_data', other, (Tensor, float, int))
         out = tensor_operator_registry.get('__add__')(self, other)
         return out
 
     def __mul__(self, other):
-        if not isinstance(other, Tensor):
-            raise TypeError("input_data must be a tensor")
+        check_type('tensor input_data', other, (Tensor, float, int))
         out = tensor_operator_registry.get('__mul__')(self, other)
         return out
 
+    def __neg__(self):
+        return Tensor(-self.asnumpy())
+
     def __iadd__(self, other):
         out = self.__add__(other)
         return out
 
+    def __radd__(self, other):
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = tensor_operator_registry.get('__add__')(other, self)
+        return out
+
     def __imul__(self, other):
         out = self.__mul__(other)
         return out
 
+    def __rmul__(self, other):
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = tensor_operator_registry.get('__mul__')(other, self)
+        return out
+
     def __truediv__(self, other):
-        if isinstance(other, (int, float)):
-            other_tensor = Tensor(other, self.dtype())
-        elif isinstance(other, Tensor):
-            other_tensor = other
-        else:
-            raise TypeError("unsupported type for div operation")
-        out = tensor_operator_registry.get('__div__')(self, other_tensor)
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = tensor_operator_registry.get('__div__')(self, other)
+        return out
+
+    def __rtruediv__(self, other):
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = tensor_operator_registry.get('__div__')(other, self)
         return out
 
     def __sub__(self, other):
-        if not isinstance(other, Tensor):
-            raise TypeError("input_data must be a tensor")
-        out = self.__add__(Tensor(-other.asnumpy()))
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = self.__add__(-other)
         return out
 
     def __isub__(self, other):
         out = self.__sub__(other)
         return out
 
+    def __rsub__(self, other):
+        check_type('tensor operation input', other, (Tensor, float, int))
+        out = tensor_operator_registry.get('__add__')(other, Tensor(-self.asnumpy()))
+        return out
+
     def __str__(self):
         if self.dtype() == mstype.type_none:
             return "Unknown Tensor type!"
diff --git a/mindspore/ops/_grad/grad_array_ops.py b/mindspore/ops/_grad/grad_array_ops.py
index abad030ae91362c4d8df851562a9712819b5cb14..35d37b3ada8d9a55354bbc1b52c089760e61ac5d 100644
--- a/mindspore/ops/_grad/grad_array_ops.py
+++ b/mindspore/ops/_grad/grad_array_ops.py
@@ -191,7 +191,7 @@ def get_bprop_concat(self):
 
     def bprop(x, out, dout):
         dx = ()
-        out_offset = P.ConcatOffset(F.tuple_len(x), axis)(x)
+        out_offset = G.ConcatOffset(F.tuple_len(x), axis)(x)
         for i in range(F.tuple_len(x)):
             slice_out = P.Slice()(dout, out_offset[i], shape_op(x[i]))
             dx = dx + (slice_out,)
diff --git a/mindspore/ops/_utils/__init__.py b/mindspore/ops/_utils/__init__.py
index 00ce07453a76a83f8138f17753b14e4d3773fc79..8fe110296847f1620b75a820357fe20530db4f0d 100644
--- a/mindspore/ops/_utils/__init__.py
+++ b/mindspore/ops/_utils/__init__.py
@@ -14,6 +14,6 @@
 # ============================================================================
 
 """ops utils."""
-from .broadcast import _get_broadcast_shape
+from .utils import _get_broadcast_shape, _get_concat_offset
 
-__all__ = ['_get_broadcast_shape']
+__all__ = ['_get_broadcast_shape', '_get_concat_offset']
diff --git a/mindspore/ops/_utils/broadcast.py b/mindspore/ops/_utils/utils.py
similarity index 62%
rename from mindspore/ops/_utils/broadcast.py
rename to mindspore/ops/_utils/utils.py
index c71158de57b1560d1461833887bcaa3015eda4ec..fbd81c4f0d92da6c76d4747ee7a782f7ac7e0469 100644
--- a/mindspore/ops/_utils/broadcast.py
+++ b/mindspore/ops/_utils/utils.py
@@ -13,8 +13,11 @@
 # limitations under the License.
 # ============================================================================
 
-"""broadcast"""
+"""utils for operator"""
 
+from ..._checkparam import ParamValidator as validator
+from ..._checkparam import Rel
+from ...common import dtype as mstype
 
 def _get_broadcast_shape(x_shape, y_shape, prim_name):
     """
@@ -57,3 +60,27 @@ def _get_broadcast_shape(x_shape, y_shape, prim_name):
     broadcast_shape_front = y_shape[0: y_len - length] if length == x_len else x_shape[0: x_len - length]
     broadcast_shape = broadcast_shape_front + broadcast_shape_back
     return broadcast_shape
+
+
+def _get_concat_offset(x_shp, x_type, axis):
+    """for concat and concatoffset check args and compute offset"""
+    validator.check_type("shape", x_shp, [tuple])
+    validator.check_integer("len of input_x shape", len(x_shp), 0, Rel.GT)
+    validator.check_subclass("shape0", x_type[0], mstype.tensor)
+    validator.check_integer("len of input_x0 shape", len(x_shp[0]), 0, Rel.GT)
+    rank_base = len(x_shp[0])
+    validator.check_int_range('axis', axis, -rank_base - 1, rank_base, Rel.INC_BOTH)
+    if axis < 0:
+        axis = axis + rank_base
+    all_shp = x_shp[0][axis]
+    offset = [0,]
+    for i in range(1, len(x_shp)):
+        v = x_shp[i]
+        validator.check('len of x_shp[%d]' % i, len(v), 'len of base', len(x_shp[0]))
+        validator.check('x_type[%d]' % i, x_type[i], 'base', x_type[0])
+        for j in range(rank_base):
+            if j != axis and v[j] != x_shp[0][j]:
+                raise ValueError("Concat evaluator element %d shape in input can not concat with first element" % i)
+        offset.append(all_shp)
+        all_shp += v[axis]
+    return offset, all_shp, axis
diff --git a/mindspore/ops/operations/__init__.py b/mindspore/ops/operations/__init__.py
index 492ebae444633885fe9df269c78cbe75ad5e011e..e1dd8e36c5e8044275dfbeb22f12ae6b09bdba50 100644
--- a/mindspore/ops/operations/__init__.py
+++ b/mindspore/ops/operations/__init__.py
@@ -19,7 +19,7 @@ Primitive operator classes.
 A collection of operators to build nerual networks or computing functions.
 """
 
-from .array_ops import (Argmax, Argmin, Cast, ConcatOffset, Concat, Pack, Unpack,
+from .array_ops import (Argmax, Argmin, Cast, Concat, Pack, Unpack,
                         Diag, DiagPart, DType, ExpandDims, Eye,
                         Fill, GatherNd, GatherV2, InvertPermutation,
                         IsInstance, IsSubClass, ArgMaxWithValue, OnesLike, ZerosLike,
@@ -200,7 +200,6 @@ __all__ = [
     'LogicalOr',
     'Size',
     'DepthwiseConv2dNative',
-    'ConcatOffset',
     'UnsortedSegmentSum',
     "AllGather",
     "AllReduce",
diff --git a/mindspore/ops/operations/_grad_ops.py b/mindspore/ops/operations/_grad_ops.py
index 6143f9d0a05b14192abd7de5e2062cd2480752c1..48d1a2a89ca3112d65a0fa64ffd34572b1103499 100644
--- a/mindspore/ops/operations/_grad_ops.py
+++ b/mindspore/ops/operations/_grad_ops.py
@@ -20,6 +20,7 @@ from ..._c_expression import signature_kind as sig_kind
 from ..primitive import Primitive, PrimitiveWithInfer, prim_attr_register
 from ..._checkparam import ParamValidator as validator
 from ..._checkparam import Rel, check_int_positive, check_bool
+from .._utils import _get_concat_offset
 from ...common import dtype as mstype
 
 
@@ -107,6 +108,33 @@ class BinaryCrossEntropyGrad(PrimitiveWithInfer):
             validator.check_two_types_same('x_type', x_type, 'weight_type', weight_type)
         return x_type
 
+class ConcatOffset(PrimitiveWithInfer):
+    """primitive for computing Concat's gradient."""
+
+    @prim_attr_register
+    def __init__(self, N=2, axis=0):
+        """init ConcatOffset"""
+
+    def __infer__(self, input_x):
+        axis = self.axis
+        x_shp = input_x['shape']
+        x_type = input_x['dtype']
+        offset, _, axis = _get_concat_offset(x_shp, x_type, axis)
+        self.add_prim_attr('T', x_type[0].element_type())
+        offset_values = []
+        for i in range(len(x_shp)):
+            values = []
+            for j in range(len(x_shp[0])):
+                value = 0
+                if j == axis:
+                    value = offset[i]
+                values.append(value)
+            offset_values.append(tuple(values))
+        out = {'shape': None,
+               'dtype': None,
+               'value': tuple(offset_values)}
+        return out
+
 
 class Conv2DBackpropFilter(PrimitiveWithInfer):
     """
diff --git a/mindspore/ops/operations/array_ops.py b/mindspore/ops/operations/array_ops.py
index a7c3f5044048909580eacecba4b0d717b3fd2055..da16a2ab297b1bd63b34c974d650cfa96358e4ec 100644
--- a/mindspore/ops/operations/array_ops.py
+++ b/mindspore/ops/operations/array_ops.py
@@ -29,6 +29,7 @@ from ..._checkparam import Rel
 from ...common import dtype as mstype
 from ...common.tensor import Tensor
 from ..operations.math_ops import _infer_shape_reduce
+from .._utils import _get_concat_offset
 from ..primitive import Primitive, PrimitiveWithInfer, prim_attr_register
 
 def _check_infer_attr_reduce(axis, keep_dims):
@@ -1275,30 +1276,6 @@ class UnsortedSegmentSum(PrimitiveWithInfer):
         return out
 
 
-def _get_concat_offset(x_shp, x_type, axis):
-    """for concat and concatoffset check args and compute offset"""
-    validator.check_type("shape", x_shp, [tuple])
-    validator.check_integer("len of input_x shape", len(x_shp), 0, Rel.GT)
-    validator.check_subclass("shape0", x_type[0], mstype.tensor)
-    validator.check_integer("len of input_x0 shape", len(x_shp[0]), 0, Rel.GT)
-    rank_base = len(x_shp[0])
-    validator.check_int_range('axis', axis, -rank_base - 1, rank_base, Rel.INC_BOTH)
-    if axis < 0:
-        axis = axis + rank_base
-    all_shp = x_shp[0][axis]
-    offset = [0,]
-    for i in range(1, len(x_shp)):
-        v = x_shp[i]
-        validator.check('len of x_shp[%d]' % i, len(v), 'len of base', len(x_shp[0]))
-        validator.check('x_type[%d]' % i, x_type[i], 'base', x_type[0])
-        for j in range(rank_base):
-            if j != axis and v[j] != x_shp[0][j]:
-                raise ValueError("Concat evaluator element %d shape in input can not concat with first element" % i)
-        offset.append(all_shp)
-        all_shp += v[axis]
-    return offset, all_shp, axis
-
-
 class Concat(PrimitiveWithInfer):
     r"""
     Concat tensor in specified axis.
@@ -1531,34 +1508,6 @@ class Slice(PrimitiveWithInfer):
                 'value': None}
 
 
-class ConcatOffset(PrimitiveWithInfer):
-    """primitive for computing Concat's gradient."""
-
-    @prim_attr_register
-    def __init__(self, N=2, axis=0):
-        """init ConcatOffset"""
-
-    def __infer__(self, input_x):
-        axis = self.axis
-        x_shp = input_x['shape']
-        x_type = input_x['dtype']
-        offset, _, axis = _get_concat_offset(x_shp, x_type, axis)
-        self.add_prim_attr('T', x_type[0].element_type())
-        offset_values = []
-        for i in range(len(x_shp)):
-            values = []
-            for j in range(len(x_shp[0])):
-                value = 0
-                if j == axis:
-                    value = offset[i]
-                values.append(value)
-            offset_values.append(tuple(values))
-        out = {'shape': None,
-               'dtype': None,
-               'value': tuple(offset_values)}
-        return out
-
-
 class Select(PrimitiveWithInfer):
     r"""
 
diff --git a/mindspore/ops/operations/other_ops.py b/mindspore/ops/operations/other_ops.py
index b6182f0476bb9676ff6619c504e72dc1c74f4f93..ff66e80972507dd19f3a106dab2ce9cdf9460852 100644
--- a/mindspore/ops/operations/other_ops.py
+++ b/mindspore/ops/operations/other_ops.py
@@ -271,3 +271,6 @@ class MakeRefKey(Primitive):
     @prim_attr_register
     def __init__(self, tag):
         validator.check_type('tag', tag, (str,))
+
+    def __call__(self):
+        pass
diff --git a/tests/ut/python/ir/test_tensor.py b/tests/ut/python/ir/test_tensor.py
index 1757567db5ecb8c9868ddeed54273f62ab370616..b7bf1bebf5e9dccc3653d6069096b9aa12618a24 100644
--- a/tests/ut/python/ir/test_tensor.py
+++ b/tests/ut/python/ir/test_tensor.py
@@ -24,6 +24,7 @@ import pytest
 import mindspore as ms
 import mindspore.common.api as me
 import mindspore.nn as nn
+from mindspore import Tensor
 from mindspore.common.parameter import Parameter
 from mindspore.common.initializer import initializer
 from ..ut_filter import non_graph_engine
@@ -396,3 +397,24 @@ def test_tensor_dtype_fp32_to_bool():
         input = ms.Tensor(input)
         input_me = ms.Tensor(input, dtype=ms.bool_)
 
+
+def test_tensor_operation():
+    x = Tensor(np.ones((3,3)) * 4)
+    res = x + 1
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 5)
+    res = 1 + x
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 5)
+    res = x - 2
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 2)
+    res = 6 - x
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 2)
+    res = x * 3
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 12)
+    res = 3 * x
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 12)
+    res = x / 2
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 2)
+    res = 8 / x
+    assert np.all(res.asnumpy() == np.ones((3, 3)) * 2)
+    with pytest.raises(TypeError):
+        res = x * (2, 3)
diff --git a/tests/vm_impl/array_ops_vm_impl.py b/tests/vm_impl/array_ops_vm_impl.py
index 4258dadc62fc56787f126f8467ff0309d1876dda..38c613012e86a69afab27741431dec706d369387 100644
--- a/tests/vm_impl/array_ops_vm_impl.py
+++ b/tests/vm_impl/array_ops_vm_impl.py
@@ -190,7 +190,7 @@ def vm_impl_slice(self):
     return vm_impl
 
 
-@vm_impl_getters.register(P.ConcatOffset)
+@vm_impl_getters.register(P._grad_ops.ConcatOffset)
 def vm_impl_concatOffset(self):
     """Generate vm_impl function for ConcatOffset"""
     def vm_impl(x):