diff --git a/main.go b/main.go
index 2df9de9..5492707 100644
--- a/main.go
+++ b/main.go
@@ -5269,6 +5269,13 @@ func buildSQLMatchCondition(r DynamicRule) (string, []any) {
 }
 
 func (s *server) runDetectionsOnce() {
+	ctx, cancel := context.WithTimeout(context.Background(), s.cfg.DetectionInterval)
+	defer cancel()
+
+	if err := s.detector.updateAgentMetrics(ctx); err != nil {
+		s.logger.Printf("update agent metrics: %v", err)
+	}
+
 	type ruleSpec struct {
 		name    string
 		timeout time.Duration