diff --git a/components/playground/playground.go b/components/playground/playground.go
index 302ab8180b..d183a14de9 100644
--- a/components/playground/playground.go
+++ b/components/playground/playground.go
@@ -595,13 +595,13 @@ func (p *Playground) WalkInstances(fn func(componentID string, ins instance.Inst
 		}
 	}
 	for _, ins := range p.tsos {
-		err := fn(spec.ComponentPD, ins)
+		err := fn(spec.ComponentTSO, ins)
 		if err != nil {
 			return err
 		}
 	}
 	for _, ins := range p.schedulings {
-		err := fn(spec.ComponentPD, ins)
+		err := fn(spec.ComponentScheduling, ins)
 		if err != nil {
 			return err
 		}
diff --git a/pkg/cluster/api/pdapi.go b/pkg/cluster/api/pdapi.go
index b0e7f79595..c8c3ae82d6 100644
--- a/pkg/cluster/api/pdapi.go
+++ b/pkg/cluster/api/pdapi.go
@@ -202,8 +202,7 @@ func (pc *PDClient) CheckHealth() error {
 
 // CheckTSOHealth checks the health of TSO service(which is a Micro Service component of PD)
 func (pc *PDClient) CheckTSOHealth(retryOpt *utils.RetryOption) error {
-	servicePrefix := fmt.Sprintf("tso/%s", tsoHealthPrefix)
-	endpoints := pc.getEndpoints(servicePrefix)
+	endpoints := pc.getEndpoints(tsoHealthPrefix)
 
 	if err := utils.Retry(func() error {
 		var err error