diff --git a/mindspore/ccsrc/pipeline/jit/static_analysis/prim.cc b/mindspore/ccsrc/pipeline/jit/static_analysis/prim.cc
index 1871b73d32e..19ab6639328 100644
--- a/mindspore/ccsrc/pipeline/jit/static_analysis/prim.cc
+++ b/mindspore/ccsrc/pipeline/jit/static_analysis/prim.cc
@@ -540,6 +540,41 @@ void ConvertAbstractTensorToPython(const AbstractBasePtr &abs_base, bool only_co
   (*dic)[ATTR_DTYPE] = arg_tensor->BuildType();
   (*dic)[ATTR_VALUE] = BuildValue(arg_tensor->BuildValue());
 }
+namespace {
+py::object GetPyObjForPrimitiveAbstract(const PrimitiveAbstractClosurePtr &prim_abs) {
+  auto prim = prim_abs->BuildValue();
+  if (prim == nullptr) {
+    return py::none();
+  }
+  if (prim->isa<prim::DoSignaturePrimitive>()) {
+    auto do_sig_prim = prim->cast<prim::DoSignaturePrimitivePtr>();
+    auto value = do_sig_prim->function();
+    if (!value->isa<PrimitivePy>()) {
+      return py::none();
+    }
+    auto prim_py = value->cast<PrimitivePyPtr>();
+    return prim_py->GetPyObj();
+  }
+  if (prim->isa<PrimitivePy>()) {
+    auto prim_py = prim->cast<PrimitivePyPtr>();
+    return prim_py->GetPyObj();
+  }
+  return py::none();
+}
+
+bool IsCallInstance(const PartialAbstractClosurePtr &partial_abs) {
+  auto fn = partial_abs->fn();
+  if (!fn->isa<PrimitiveAbstractClosure>()) {
+    return false;
+  }
+  auto abs_prim = fn->cast<PrimitiveAbstractClosurePtr>();
+  auto prim = abs_prim->prim();
+  if (prim->name() == prim::kPrimCallInstance->name()) {
+    return true;
+  }
+  return false;
+}
+}  // namespace
 
 void ConvertAbstractFunctionToPython(const AbstractBasePtr &abs_base, py::dict *dic) {
   MS_EXCEPTION_IF_NULL(dic);
@@ -548,16 +583,29 @@ void ConvertAbstractFunctionToPython(const AbstractBasePtr &abs_base, py::dict *
   (*dic)[ATTR_DTYPE] = abs_base->BuildType();
   (*dic)[ATTR_VALUE] = py::none();
   if (abs_base->isa<PartialAbstractClosure>()) {
-    AbstractBasePtrList args = abs_base->cast<PartialAbstractClosurePtr>()->args();
+    auto partial_abs = abs_base->cast<PartialAbstractClosurePtr>();
+    AbstractBasePtrList args = partial_abs->args();
     if (!args.empty()) {
-      MS_EXCEPTION_IF_NULL(args[0]->BuildValue());
-      auto value = args[0]->BuildValue()->cast<parse::ClassTypePtr>();
-      if (value != nullptr) {
+      auto value = args[0]->BuildValue();
+      MS_EXCEPTION_IF_NULL(value);
+      if (IsCallInstance(partial_abs)) {
+        auto value_obj = value->cast<parse::MsClassObjectPtr>();
+        if (value_obj != nullptr) {
+          (*dic)[ATTR_DTYPE] = std::make_shared<MsClassType>();
+          (*dic)[ATTR_VALUE] = value_obj->obj();
+          return;
+        }
+      }
+      auto value_obj = value->cast<parse::ClassTypePtr>();
+      if (value_obj != nullptr) {
         (*dic)[ATTR_DTYPE] = std::make_shared<TypeType>();
-        (*dic)[ATTR_VALUE] = value->obj();
+        (*dic)[ATTR_VALUE] = value_obj->obj();
       }
     }
   }
+  if (abs_base->isa<PrimitiveAbstractClosure>()) {
+    (*dic)[ATTR_VALUE] = GetPyObjForPrimitiveAbstract(abs_base->cast<PrimitiveAbstractClosurePtr>());
+  }
 }
 
 bool CheckType(const TypePtr &expected_type, const TypePtr &x) {
diff --git a/mindspore/ccsrc/pybind_api/ir/dtype_py.cc b/mindspore/ccsrc/pybind_api/ir/dtype_py.cc
index 3ffc2ceedf6..259760f8185 100644
--- a/mindspore/ccsrc/pybind_api/ir/dtype_py.cc
+++ b/mindspore/ccsrc/pybind_api/ir/dtype_py.cc
@@ -176,5 +176,6 @@ REGISTER_PYBIND_DEFINE(
     (void)py::class_<TypeAnything, Type, std::shared_ptr<TypeAnything>>(m_sub, "TypeAnything").def(py::init());
     (void)py::class_<Slice, Type, std::shared_ptr<Slice>>(m_sub, "Slice").def(py::init());
     (void)py::class_<TypeEllipsis, Type, std::shared_ptr<TypeEllipsis>>(m_sub, "TypeEllipsis").def(py::init());
+    (void)py::class_<MsClassType, Type, std::shared_ptr<MsClassType>>(m_sub, "TypeMsClassType").def(py::init());
   }));
 }  // namespace mindspore
diff --git a/mindspore/core/abstract/abstract_function.cc b/mindspore/core/abstract/abstract_function.cc
index ca8dff5e5a3..081df1c8cdf 100644
--- a/mindspore/core/abstract/abstract_function.cc
+++ b/mindspore/core/abstract/abstract_function.cc
@@ -18,6 +18,7 @@
 
 #include <vector>
 #include "utils/hashing.h"
+#include "ops/core_ops.h"
 
 namespace mindspore {
 namespace abstract {
diff --git a/mindspore/python/mindspore/common/dtype.py b/mindspore/python/mindspore/common/dtype.py
index 46c7e2d0843..e7d95448a95 100644
--- a/mindspore/python/mindspore/common/dtype.py
+++ b/mindspore/python/mindspore/common/dtype.py
@@ -113,6 +113,7 @@ Dict = typing.Dict
 Slice = typing.Slice
 function_type = typing.Function
 Ellipsis_ = typing.TypeEllipsis
+MsClassType = typing.TypeMsClassType
 none_type = typing.TypeNone
 env_type_type = typing.EnvType
 tensor_type = typing.TensorType
diff --git a/tests/ut/python/fallback/test_graph_fallback_str_format.py b/tests/ut/python/fallback/test_graph_fallback_str_format.py
index 3c5f38c0b56..d3081c4dddf 100644
--- a/tests/ut/python/fallback/test_graph_fallback_str_format.py
+++ b/tests/ut/python/fallback/test_graph_fallback_str_format.py
@@ -14,7 +14,9 @@
 # ============================================================================
 """ test graph fallback """
 import pytest
-from mindspore import ms_function, Tensor
+from mindspore import ms_function, Tensor, ms_class, context
+from mindspore.ops import prim_attr_register, Primitive
+from mindspore.nn import Cell
 
 
 def test_str_format_single_input():
@@ -126,12 +128,13 @@ def test_format_with_key_input():
 
     @ms_function
     def foo():
-        ms_str = "hello {name2},It's me,{name1}"
+        ms_str = "hello {name2},It's me, {name1}"
         ms_format_str = ms_str.format(name2="Mind", name1="Spore")
         return ms_format_str
 
     with pytest.raises(TypeError) as ex:
-        foo()
+        result_st = foo()
+        assert result_st == "hello Mind,It's me, Spore"
     assert "Unsupported parameter type for python primitive," \
            " the parameter value is KeywordArg[key : name2, value : Mind]" in str(ex.value)
 
@@ -154,8 +157,6 @@ def test_format_with_list_index():
     assert result_st == "hello Spore,It's me Mind"
 
 
-@pytest.mark.skip("Need to support kwargs input of primitive "
-                  "operations same as test_format_with_key_input")
 def test_format_with_map():
     """
     Feature: JIT Fallback
@@ -169,9 +170,12 @@ def test_format_with_map():
         names = {"name1": "Mind", "name2": "Spore"}
         ms_format_str = ms_str.format(names)
         return ms_format_str
+    with pytest.raises(TypeError) as ex:
+        result_st = foo()
+        assert result_st == "hello Spore,It's me Mind"
+    assert "Unsupported parameter type for python primitive," \
+           " the parameter value is dict: {keys: (name1, name2), values: (Mind, Spore)}" in str(ex.value)
 
-    result_st = foo()
-    assert result_st == "hello Spore,It's me Mind"
 
 
 def test_format_as_function():
@@ -249,3 +253,147 @@ def test_format_padding():
     correct_str = ("05", "5xxx", "x10x", "        13", "13        ", "    13    ")
     result_str = foo()
     assert result_str == correct_str
+
+
+def test_str_format_using_ms_class():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    @ms_class
+    class TestClass:
+        def __init__(self, value):
+            self.value = value
+
+    @ms_function
+    def test_func():
+        test_obj = TestClass(123)
+        format_str = "value is {0.value}".format(test_obj)
+        return format_str
+    format_str = test_func()
+    assert format_str == "value is 123"
+
+
+def test_str_format_using_ms_class_in_init():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    context.set_context(mode=context.GRAPH_MODE)
+
+    @ms_class
+    class TestClass:
+        def __init__(self, value):
+            self.value = value
+
+    class TestCell(Cell):
+        def __init__(self):
+            super(TestCell, self).__init__()
+            self.obj = TestClass(123)
+        def construct(self):
+            format_str = "value is {0.value}".format(self.obj)
+            return format_str
+
+    test_cell = TestCell()
+    format_str = test_cell()
+    assert format_str == "value is 123"
+
+
+def test_str_format_using_primitive():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    class TestPrim(Primitive):
+        @prim_attr_register
+        def __init__(self, x):
+            self.x = x
+
+    @ms_function
+    def test_func():
+        test_obj = TestPrim(123)
+        format_str = "value is {0.x}".format(test_obj)
+        return format_str
+    format_str = test_func()
+    assert format_str == "value is 123"
+
+
+def test_str_format_using_primitive_in_init():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    class TestPrim(Primitive):
+        @prim_attr_register
+        def __init__(self, x):
+            self.x = x
+
+    class TestCell(Cell):
+        def __init__(self):
+            super(TestCell, self).__init__()
+            self.prim = TestPrim(123)
+        def construct(self):
+            format_str = "value is {0.x}".format(self.prim)
+            return format_str
+
+    test_cell = TestCell()
+    format_str = test_cell()
+    assert format_str == "value is 123"
+
+
+@pytest.mark.skip("Not support yet")
+def test_str_format_using_cell():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    class TestSubCell(Cell):
+        def __init__(self, x):
+            super(TestSubCell, self).__init__()
+            self.x = x
+
+    class TestCell(Cell):
+        def construct(self):
+            test_obj = TestSubCell(123)
+            format_str = "value is {0.x}".format(test_obj)
+            return format_str
+
+    test_obj = TestCell()
+    format_str = test_obj()
+    assert format_str == "value is 123"
+
+
+@pytest.mark.skip("Not support yet")
+def test_str_format_using_cell_in_init():
+    """
+    Feature: JIT Fallback
+    Description: Test str.format() in graph mode.
+    Expectation: No exception.git
+    """
+
+    class TestSubCell(Cell):
+        def __init__(self, x):
+            super(TestSubCell, self).__init__()
+            self.x = x
+
+    class TestCell(Cell):
+        def __init__(self):
+            super(TestCell, self).__init__()
+            self.test_sub_cell = TestSubCell(123)
+        def construct(self):
+            format_str = "value is {0.x}".format(self.test_sub_cell)
+            return format_str
+
+    test_cell = TestCell()
+    format_str = test_cell()
+    assert format_str == "value is 123"