diff --git a/mindspore/ccsrc/pipeline/jit/parse/function_block.cc b/mindspore/ccsrc/pipeline/jit/parse/function_block.cc
index 588c099082dac086b27f2e93cbb9fcda6db460a9..9ccaa46fed15e77d7becaeab6929007dad98ec6c 100644
--- a/mindspore/ccsrc/pipeline/jit/parse/function_block.cc
+++ b/mindspore/ccsrc/pipeline/jit/parse/function_block.cc
@@ -99,7 +99,7 @@ AnfNodePtr FunctionBlock::MakeResolveAstOp(const py::object &op) {
 }
 
 // Resolve class member, two possible: method, member variable
-AnfNodePtr FunctionBlock::MakeResolveClassMember(std::string attr) {
+AnfNodePtr FunctionBlock::MakeResolveClassMember(const std::string &attr) {
   py::object namespace_var =
     parser_.ast()->CallParseModFunction(PYTHON_MOD_GET_MEMBER_NAMESPACE_SYMBOL, parser_.ast()->obj());
   NameSpacePtr name_space = std::make_shared<NameSpace>(RESOLVE_NAMESPACE_NAME_CLASS_MEMBER, namespace_var);
diff --git a/mindspore/ccsrc/pipeline/jit/parse/function_block.h b/mindspore/ccsrc/pipeline/jit/parse/function_block.h
index 2029531db4c2d29ffb59c7d524b9673abdf522a2..e598790cd4595aeac5130718c57bdc5b0150013c 100644
--- a/mindspore/ccsrc/pipeline/jit/parse/function_block.h
+++ b/mindspore/ccsrc/pipeline/jit/parse/function_block.h
@@ -68,7 +68,7 @@ class FunctionBlock : public std::enable_shared_from_this<FunctionBlock> {
   void AddGlobalVar(const std::string &var_name) { (void)global_vars_.insert(var_name); }
   bool IsGlobalVar(const std::string &var_name) { return global_vars_.find(var_name) != global_vars_.end(); }
   AnfNodePtr MakeResolveAstOp(const py::object &op);
-  AnfNodePtr MakeResolveClassMember(std::string attr);
+  AnfNodePtr MakeResolveClassMember(const std::string &attr);
   AnfNodePtr MakeResolveSymbol(const std::string &value);
   AnfNodePtr MakeResolveOperation(const std::string &value);
   AnfNodePtr MakeResolve(const std::shared_ptr<NameSpace> &name_space, const std::shared_ptr<Symbol> &resolve_symbol);
diff --git a/mindspore/ccsrc/pipeline/pynative/pynative_execute.cc b/mindspore/ccsrc/pipeline/pynative/pynative_execute.cc
index fd5c8f1965bc07b99e2c99e246464598c6cefdc8..a39a931b294d85f0897390737ee1bd0d1b459130 100644
--- a/mindspore/ccsrc/pipeline/pynative/pynative_execute.cc
+++ b/mindspore/ccsrc/pipeline/pynative/pynative_execute.cc
@@ -268,6 +268,12 @@ py::tuple ConvertInputs(const PrimitivePyPtr &prim, const py::list &args, py::tu
                                                TypeIdToMsTypeStr(it->second));
       }
     }
+    if (!py::isinstance<tensor::Tensor>(py_args[i]) && !py::isinstance<py::int_>(py_args[i]) &&
+        !py::isinstance<py::float_>(py_args[i])) {
+      MS_EXCEPTION(TypeError) << "For '" << prim->name() << "', the " << i << "th input is a not support type: "
+                              << py::cast<std::string>(py_args[1].attr("__class__").attr("__name__"))
+                              << ", and the value is " << py::cast<py::str>(py_args[i]) << ".";
+    }
     py::object cast_output = DoAutoCast(py_args[i], it->second);
     (*out_args)[i] = cast_output;
     (*out_args_list)[i] = cast_output;
diff --git a/tests/ut/python/pynative_mode/test_implicit_conversion.py b/tests/ut/python/pynative_mode/test_implicit_conversion.py
index ecaffd87f26100b9b206de8f355c48b650dabc49..3a19732462c0a31f246730a75dff496d1365f7ce 100644
--- a/tests/ut/python/pynative_mode/test_implicit_conversion.py
+++ b/tests/ut/python/pynative_mode/test_implicit_conversion.py
@@ -14,6 +14,7 @@
 # ============================================================================
 """ test implicit conversion """
 import numpy as np
+import pytest
 
 from mindspore import Tensor, nn
 from mindspore.ops import composite as C
@@ -90,6 +91,30 @@ def test_float_tensor_and_bool_tensors_add():
     assert (ret_actual.asnumpy() == ret_expect.asnumpy()).all()
 
 
+def test_float_tensor_and_str_add():
+    x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
+    y = "ok"
+    with pytest.raises(TypeError) as er:
+        ret = x + y
+    assert "For 'TensorAdd', the 1th input is a not support type: str" in str(er.value)
+
+
+def test_float_tensor_and_tuple_add():
+    x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
+    y = (1, 2, 3)
+    with pytest.raises(TypeError) as er:
+        ret = x + y
+    assert "For 'TensorAdd', the 1th input is a not support type: tuple" in str(er.value)
+
+
+def test_float_tensor_and_list_add():
+    x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
+    y = [1, 2, 3]
+    with pytest.raises(TypeError) as er:
+        ret = x + y
+    assert "For 'TensorAdd', the 1th input is a not support type: list" in str(er.value)
+
+
 def test_float_tensor_and_bool_tensors_add_grad():
     class Net(nn.Cell):
         def __init__(self):
@@ -104,7 +129,6 @@ def test_float_tensor_and_bool_tensors_add_grad():
             self.net = net
 
         def construct(self, x, y, sens):
-
             return C.grad_all_with_sens(self.net)(x, y, sens)
 
     x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
@@ -133,7 +157,6 @@ def test_float_tensor_and_int_tensors_sub_grad():
             self.net = net
 
         def construct(self, x, y, sens):
-
             return C.grad_all_with_sens(self.net)(x, y, sens)
 
     x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.float32))
@@ -163,7 +186,6 @@ def test_float16_tensor_and_float32_tensors_sub_grad():
             self.net = net
 
         def construct(self, x, y, sens):
-
             return C.grad_all_with_sens(self.net)(x, y, sens)
 
     x = Tensor(np.array([[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]], dtype=np.int32))