diff --git a/cpp/conf/server_config.yaml b/cpp/conf/server_config.yaml
index 1c81a14c41..4ace334778 100644
--- a/cpp/conf/server_config.yaml
+++ b/cpp/conf/server_config.yaml
@@ -10,7 +10,7 @@ db_config:
   index_building_threshold: 1024   # index building trigger threshold, default: 1024, unit: MB
 
 metric_config:
-  is_startup: on      # if monitoring start: on, off
+  is_startup: off      # if monitoring start: on, off
   collector: prometheus # metrics collector: prometheus
   prometheus_config:    # following are prometheus configure
     collect_type: pull  # prometheus collect data method