diff --git a/internal/controller/testdata/mutable-autoscalingpolicy-add-another-horizontal/after/tortoise.yaml b/internal/controller/testdata/mutable-autoscalingpolicy-add-another-horizontal/after/tortoise.yaml
index 1b8df961..526ca739 100644
--- a/internal/controller/testdata/mutable-autoscalingpolicy-add-another-horizontal/after/tortoise.yaml
+++ b/internal/controller/testdata/mutable-autoscalingpolicy-add-another-horizontal/after/tortoise.yaml
@@ -70,15 +70,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-istio-enabled-pod-working/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-istio-enabled-pod-working/after/tortoise.yaml
index 3be0827a..2e489027 100644
--- a/internal/controller/testdata/reconcile-for-the-istio-enabled-pod-working/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-istio-enabled-pod-working/after/tortoise.yaml
@@ -70,15 +70,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-one-off/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-one-off/after/tortoise.yaml
index ae5d587b..7509fbeb 100644
--- a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-one-off/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-one-off/after/tortoise.yaml
@@ -70,15 +70,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-suggested-too-small/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-suggested-too-small/after/tortoise.yaml
index d03f3ee5..7f3efce9 100644
--- a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-suggested-too-small/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-suggested-too-small/after/tortoise.yaml
@@ -70,15 +70,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-working/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-working/after/tortoise.yaml
index 3be0827a..2e489027 100644
--- a/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-working/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-multiple-containers-pod-working/after/tortoise.yaml
@@ -70,15 +70,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-single-container-pod-gathering-data-finished/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-single-container-pod-gathering-data-finished/after/tortoise.yaml
index d7d01941..7f6f5a8d 100644
--- a/internal/controller/testdata/reconcile-for-the-single-container-pod-gathering-data-finished/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-single-container-pod-gathering-data-finished/after/tortoise.yaml
@@ -47,15 +47,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-single-container-pod-too-big/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-single-container-pod-too-big/after/tortoise.yaml
index a8e2611a..05f63755 100644
--- a/internal/controller/testdata/reconcile-for-the-single-container-pod-too-big/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-single-container-pod-too-big/after/tortoise.yaml
@@ -53,15 +53,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/testdata/reconcile-for-the-single-container-pod-working/after/tortoise.yaml b/internal/controller/testdata/reconcile-for-the-single-container-pod-working/after/tortoise.yaml
index 9a5cd103..d87c9651 100644
--- a/internal/controller/testdata/reconcile-for-the-single-container-pod-working/after/tortoise.yaml
+++ b/internal/controller/testdata/reconcile-for-the-single-container-pod-working/after/tortoise.yaml
@@ -47,15 +47,15 @@ status:
       type: ScaledUpBasedOnPreferredMaxReplicas
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: HPA target utilization is updated
-      reason: HPATargetUtilizationUpdated
+      message: The recommendation is provided
       status: "True"
-      type: HPATargetUtilizationUpdated
+      type: VerticalRecommendationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
-      message: The recommendation is provided
+      message: HPA target utilization is updated
+      reason: HPATargetUtilizationUpdated
       status: "True"
-      type: VerticalRecommendationUpdated
+      type: HPATargetUtilizationUpdated
     - lastTransitionTime: "2023-01-01T00:00:00Z"
       lastUpdateTime: "2023-01-01T00:00:00Z"
       status: "False"
diff --git a/internal/controller/tortoise_controller.go b/internal/controller/tortoise_controller.go
index f08fe9f6..b8bb8c96 100644
--- a/internal/controller/tortoise_controller.go
+++ b/internal/controller/tortoise_controller.go
@@ -258,15 +258,15 @@ func (r *TortoiseReconciler) Reconcile(ctx context.Context, req ctrl.Request) (_
 		return ctrl.Result{RequeueAfter: r.Interval}, nil
 	}
 
-	_, tortoise, err = r.HpaService.UpdateHPAFromTortoiseRecommendation(ctx, tortoise, now)
+	tortoise, err = r.TortoiseService.UpdateResourceRequest(ctx, tortoise, currentDesiredReplicaNum, now)
 	if err != nil {
-		logger.Error(err, "update HPA based on the recommendation in tortoise", "tortoise", req.NamespacedName)
+		logger.Error(err, "update VPA based on the recommendation in tortoise", "tortoise", req.NamespacedName)
 		return ctrl.Result{}, err
 	}
 
-	tortoise, err = r.TortoiseService.UpdateResourceRequest(ctx, tortoise, currentDesiredReplicaNum, now)
+	_, tortoise, err = r.HpaService.UpdateHPAFromTortoiseRecommendation(ctx, tortoise, now)
 	if err != nil {
-		logger.Error(err, "update VPA based on the recommendation in tortoise", "tortoise", req.NamespacedName)
+		logger.Error(err, "update HPA based on the recommendation in tortoise", "tortoise", req.NamespacedName)
 		return ctrl.Result{}, err
 	}
 
diff --git a/pkg/hpa/service.go b/pkg/hpa/service.go
index cc3e9f22..a53e2d42 100644
--- a/pkg/hpa/service.go
+++ b/pkg/hpa/service.go
@@ -456,7 +456,7 @@ func (c *Service) ChangeHPAFromTortoiseRecommendation(tortoise *autoscalingv1bet
 					cpu += value.AsApproximateFloat64()
 				}
 				if resourcename == corev1.ResourceMemory {
-					cpu += value.AsApproximateFloat64()
+					mem += value.AsApproximateFloat64()
 				}
 			}
 		}