diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 0520eaf331d8d66ed6b94228a1f83ee2160bf8b5..ca4e466cf95ff1e24e1cc87aba6a50981ae40bd0 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -20,7 +20,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-22 - Enhancement for MemVector size control 
 - MS-92 - Unify behavior of debug and release build
 - MS-98 - Install all unit test to installation directory
-
+- MS-115 - Change is_startup of metric_config switch from true to on
 ## New Feature
 
 - MS-57 - Implement index load/search pipeline
diff --git a/cpp/unittest/metrics/metrics_test.cpp b/cpp/unittest/metrics/metrics_test.cpp
index 4346036efe6e2f3525772d7219733881df4d1517..72596dc79e98693240813492a97119fb84aa8efe 100644
--- a/cpp/unittest/metrics/metrics_test.cpp
+++ b/cpp/unittest/metrics/metrics_test.cpp
@@ -30,7 +30,6 @@ TEST_F(DBTest, Metric_Tes) {
     server::SystemInfo::GetInstance().Init();
 //    server::Metrics::GetInstance().Init();
 //    server::Metrics::GetInstance().exposer_ptr()->RegisterCollectable(server::Metrics::GetInstance().registry_ptr());
-    
     server::Metrics::GetInstance().Init();
 
 //    server::PrometheusMetrics::GetInstance().exposer_ptr()->RegisterCollectable(server::PrometheusMetrics::GetInstance().registry_ptr());