diff --git a/mindinsight/lineagemgr/querier/querier.py b/mindinsight/lineagemgr/querier/querier.py
index 1ff6ef47b7c5aacb1ac10a46a6237c1f56e6b4f5..28d3b7fc9c81a51ed1a1b78f148dcff0068b7bff 100644
--- a/mindinsight/lineagemgr/querier/querier.py
+++ b/mindinsight/lineagemgr/querier/querier.py
@@ -318,7 +318,7 @@ class Querier:
         for offset_result in offset_results:
             for obj_name in ["metric", "user_defined"]:
                 obj = getattr(offset_result, obj_name)
-                require = True if obj_name == "metric" else False
+                require = bool(obj_name == "metric")
                 if obj and isinstance(obj, dict):
                     for key, value in obj.items():
                         label = f'{obj_name}/{key}'
diff --git a/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py b/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
index ff76b7908fcb6b2736cdd615e60b61e6d2e299f2..7d183b3917ab8eca06b53b5098d6586844dccf3f 100644
--- a/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
+++ b/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
@@ -207,6 +207,10 @@ class LineageSummaryAnalyzer(SummaryAnalyzer):
             log.error("Failed to get lineage information.")
             log.exception(err)
             raise LineageSummaryAnalyzeException()
+        except Exception as err:
+            log.error("Failed to get lineage information.")
+            log.exception(err)
+            raise LineageSummaryAnalyzeException()
 
         return lineage_info