diff --git a/mindinsight/lineagemgr/summary/_summary_adapter.py b/mindinsight/lineagemgr/summary/_summary_adapter.py
index 21e1894970ec7e715d17992081d0554da221c3fd..501d626838c2c8880bcafc7ce6e806fdb12970ad 100644
--- a/mindinsight/lineagemgr/summary/_summary_adapter.py
+++ b/mindinsight/lineagemgr/summary/_summary_adapter.py
@@ -327,7 +327,9 @@ def _package_user_defined_info(user_defined_dict, user_defined_message):
     """
     for key, value in user_defined_dict.items():
         if not isinstance(key, str):
-            raise LineageParamTypeError("The key must be str.")
+            error_msg = f"Invalid key type in user defined info. The {key}'s type" \
+                        f"'{type(key).__name__}' is not supported. It should be str."
+            log.error(error_msg)
 
         if isinstance(value, int):
             attr_name = "map_int32"
@@ -336,13 +338,12 @@ def _package_user_defined_info(user_defined_dict, user_defined_message):
         elif isinstance(value, str):
             attr_name = "map_str"
         else:
-            error_msg = "Value type {} is not supported in user defined event package." \
-                        "Only str, int and float are permitted now.".format(type(value))
-            log.error(error_msg)
-            raise LineageParamTypeError(error_msg)
+            attr_name = "attr_name"
 
         add_user_defined_info = user_defined_message.user_info.add()
         try:
             getattr(add_user_defined_info, attr_name)[key] = value
-        except ValueError:
-            raise LineageParamValueError("Value is out of range or not be supported yet.")
+        except AttributeError:
+            error_msg = f"Invalid value type in user defined info. The {value}'s type" \
+                        f"'{type(value).__name__}' is not supported. It should be float, int or str."
+            log.error(error_msg)
diff --git a/tests/st/func/lineagemgr/collection/model/test_model_lineage.py b/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
index 73f54dab1c07b2a4a1a0f14e3850abb782ec9270..83645d39f47ba35d3c812d8b8886ddbe8a9a2e47 100644
--- a/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
+++ b/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
@@ -88,6 +88,25 @@ class TestModelLineage(TestCase):
         lineage_log_path = self.summary_record.full_file_name + '_lineage'
         assert os.path.isfile(lineage_log_path) is True
 
+    @pytest.mark.level0
+    @pytest.mark.platform_arm_ascend_training
+    @pytest.mark.platform_x86_gpu_training
+    @pytest.mark.platform_x86_ascend_training
+    @pytest.mark.platform_x86_cpu
+    @pytest.mark.env_single
+    def test_train_begin_with_user_defined_info(self):
+        """Test TrainLineage with nested user defined info."""
+        user_defined_info = {"info": {"version": "v1"}}
+        train_callback = TrainLineage(
+            self.summary_record,
+            False,
+            user_defined_info
+        )
+        train_callback.begin(RunContext(self.run_context))
+        assert train_callback.initial_learning_rate == 0.12
+        lineage_log_path = self.summary_record.full_file_name + '_lineage'
+        assert os.path.isfile(lineage_log_path) is True
+
     @pytest.mark.level0
     @pytest.mark.platform_arm_ascend_training
     @pytest.mark.platform_x86_gpu_training