diff --git a/api/internal/logic/cloud/controllermetricslogic.go b/api/internal/logic/cloud/controllermetricslogic.go
index 3e7a3389..4a463d1f 100644
--- a/api/internal/logic/cloud/controllermetricslogic.go
+++ b/api/internal/logic/cloud/controllermetricslogic.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"gitlink.org.cn/jcce-pcm/pcm-coordinator/api/internal/svc"
 	"gitlink.org.cn/jcce-pcm/pcm-coordinator/api/internal/types"
+	error2 "gitlink.org.cn/jcce-pcm/pcm-coordinator/pkg/repository/error"
 	"gitlink.org.cn/jcce-pcm/pcm-coordinator/pkg/tracker"
 	"time"
 
@@ -26,15 +27,20 @@ func NewControllerMetricsLogic(ctx context.Context, svcCtx *svc.ServiceContext)
 
 func (l *ControllerMetricsLogic) ControllerMetrics(req *types.ControllerMetricsReq) (resp *types.ControllerMetricsResp, err error) {
 	resp = &types.ControllerMetricsResp{}
-	if len(req.Pod) != 0 {
-		resp.Data = l.svcCtx.PromClient[req.ParticipantId].GetNamedMetricsByTime(req.Metrics, req.Start, req.End, 60*time.Minute, tracker.PodOption{
-			PodName: req.Pod,
-		})
-	} else {
+	if _, ok := l.svcCtx.PromClient[req.ParticipantId]; ok {
+		if len(req.Pod) != 0 {
+			resp.Data = l.svcCtx.PromClient[req.ParticipantId].GetNamedMetricsByTime(req.Metrics, req.Start, req.End, 60*time.Minute, tracker.PodOption{
+				PodName: req.Pod,
+			})
+		} else {
 
-		resp.Data = l.svcCtx.PromClient[req.ParticipantId].GetNamedMetricsByTime(req.Metrics, req.Start, req.End, 60*time.Minute, tracker.ControllerOption{
-			WorkloadName: req.WorkloadName,
-		})
+			resp.Data = l.svcCtx.PromClient[req.ParticipantId].GetNamedMetricsByTime(req.Metrics, req.Start, req.End, 60*time.Minute, tracker.ControllerOption{
+				WorkloadName: req.WorkloadName,
+			})
+		}
+	} else {
+		return nil, error2.NewCodeError(400, "prometheus endpoint invalid!")
 	}
+
 	return resp, nil
 }