diff --git a/debug/accuracy_tools/msprobe/mindspore/api_accuracy_checker/api_info.py b/debug/accuracy_tools/msprobe/mindspore/api_accuracy_checker/api_info.py
index b355fac9bc319039c2523d967b70de443f27f6b9..e6776a539bd242f41109e08eb5a2de1eb5a74020 100644
--- a/debug/accuracy_tools/msprobe/mindspore/api_accuracy_checker/api_info.py
+++ b/debug/accuracy_tools/msprobe/mindspore/api_accuracy_checker/api_info.py
@@ -66,8 +66,8 @@ class ApiInfo:
                 err_msg = "ApiInfo.get_kwargs failed: compute_element_dict key is not a string"
                 logger.error_log_with_exp(err_msg,
                                           ApiAccuracyCheckerException(ApiAccuracyCheckerException.ParseJsonFailed))
-            if not isinstance(compute_element_info, (list, dict)):
-                err_msg = "ApiInfo.get_kwargs failed: compute_element_dict value is not a list or dict"
+            if not (isinstance(compute_element_info, (list, dict)) or compute_element_info is None):
+                err_msg = "ApiInfo.get_kwargs failed: compute_element_dict value is not a list, dict or null"
                 logger.error_log_with_exp(err_msg,
                                           ApiAccuracyCheckerException(ApiAccuracyCheckerException.ParseJsonFailed))
         kwargs_compute_element_dict = {key_str: ComputeElement(compute_element_info=compute_element_info)
diff --git a/debug/accuracy_tools/msprobe/test/mindspore_ut/api_accuracy_checker/test_api_info.py b/debug/accuracy_tools/msprobe/test/mindspore_ut/api_accuracy_checker/test_api_info.py
index d4f1c11d7544785c353d2dd22792e45c257cdfe6..b4b84c39286efb6e08f3c5c927c5c1d3c6b07dda 100644
--- a/debug/accuracy_tools/msprobe/test/mindspore_ut/api_accuracy_checker/test_api_info.py
+++ b/debug/accuracy_tools/msprobe/test/mindspore_ut/api_accuracy_checker/test_api_info.py
@@ -21,6 +21,20 @@ class TestApiInfo(unittest.TestCase):
         """
         global_context.init(False, os.path.join(directory, "files"))
 
+    def test_get_kwargs_with_null(self):
+        # first load forward backward api_info
+        only_kwargs_api_info_dict = {
+            "input_kwargs": {
+                "approximate": None,
+            }
+        }
+        api_info = ApiInfo("only_input_kwargs_api")
+        api_info.load_forward_info(only_kwargs_api_info_dict)
+
+        self.assertTrue(api_info.check_forward_info())
+        kwargs_compute_element_dict = api_info.get_kwargs()
+        self.assertEqual(kwargs_compute_element_dict.get("approximate").get_parameter(), None)
+
     def test_get_compute_element_list(self):
         # first load forward backward api_info
         forward_api_info_dict = {