diff --git a/core/stores/sqlx/metrics.go b/core/stores/sqlx/metrics.go
index 1092c9a201d5..a62e2d85fb1b 100644
--- a/core/stores/sqlx/metrics.go
+++ b/core/stores/sqlx/metrics.go
@@ -8,7 +8,7 @@ import (
 	"github.com/zeromicro/go-zero/core/metric"
 )
 
-const namespace = "mysql_client"
+const namespace = "sql_client"
 
 var (
 	metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{