diff --git a/charts/vela-core/values.yaml b/charts/vela-core/values.yaml
index c5a64bac6..af3d2196a 100644
--- a/charts/vela-core/values.yaml
+++ b/charts/vela-core/values.yaml
@@ -5,8 +5,8 @@
 replicaCount: 1
 useWebhook: true
 image:
-  repository: vela-core
-  tag: latest
+  repository: oamdev/vela-core
+  tag: 0.1
   pullPolicy: IfNotPresent
 
 imagePullSecrets: []
diff --git a/documentation/samples/metrics-demo/appConfig.yaml b/documentation/samples/metrics-demo/appConfig.yaml
index 4c4af50df..210ef7d5f 100644
--- a/documentation/samples/metrics-demo/appConfig.yaml
+++ b/documentation/samples/metrics-demo/appConfig.yaml
@@ -20,7 +20,7 @@ spec:
             apiVersion: core.oam.dev/v1alpha2
             kind: ManualScalerTrait
             metadata:
-              name:  example-appconfig-trait
+              name:  autoscale-scalar
             spec:
               replicaCount: 3
     - componentName: metrics-application
diff --git a/documentation/samples/metrics-demo/autoscale-component.yaml b/documentation/samples/metrics-demo/autoscale-component.yaml
index d3d9ce4b6..4fada7571 100644
--- a/documentation/samples/metrics-demo/autoscale-component.yaml
+++ b/documentation/samples/metrics-demo/autoscale-component.yaml
@@ -11,7 +11,6 @@ spec:
       labels:
         app: sample-app
     spec:
-      replicas: 1
       selector:
         matchLabels:
           app: sample-app
diff --git a/pkg/webhook/containerized/validating_handler.go b/pkg/webhook/containerized/validating_handler.go
index f73761e01..fcd83be12 100644
--- a/pkg/webhook/containerized/validating_handler.go
+++ b/pkg/webhook/containerized/validating_handler.go
@@ -51,6 +51,8 @@ func (h *ContainerizedValidatingHandler) Handle(ctx context.Context, req admissi
 
 	err := h.Decoder.Decode(req, obj)
 	if err != nil {
+		validatelog.Error(err, "decoder failed", "req operation", req.AdmissionRequest.Operation, "req",
+			req.AdmissionRequest)
 		return admission.Errored(http.StatusBadRequest, err)
 	}
 
@@ -68,10 +70,6 @@ func (h *ContainerizedValidatingHandler) Handle(ctx context.Context, req admissi
 		if allErrs := ValidateUpdate(obj, oldObj); len(allErrs) > 0 {
 			return admission.Errored(http.StatusUnprocessableEntity, allErrs.ToAggregate())
 		}
-	case admissionv1beta1.Delete:
-		if allErrs := ValidateDelete(obj); len(allErrs) > 0 {
-			return admission.Errored(http.StatusUnprocessableEntity, allErrs.ToAggregate())
-		}
 	}
 
 	return admission.ValidationResponse(true, "")
diff --git a/pkg/webhook/metrics/validating_handler.go b/pkg/webhook/metrics/validating_handler.go
index 70c09ffe6..09c22d7cf 100644
--- a/pkg/webhook/metrics/validating_handler.go
+++ b/pkg/webhook/metrics/validating_handler.go
@@ -51,6 +51,8 @@ func (h *MetricsTraitValidatingHandler) Handle(ctx context.Context, req admissio
 
 	err := h.Decoder.Decode(req, obj)
 	if err != nil {
+		validatelog.Error(err, "decoder failed", "req operation", req.AdmissionRequest.Operation, "req",
+			req.AdmissionRequest)
 		return admission.Errored(http.StatusBadRequest, err)
 	}