diff --git a/scripts/kubesphere-delete.sh b/scripts/kubesphere-delete.sh
index 816fa4607..0a6ce24e8 100755
--- a/scripts/kubesphere-delete.sh
+++ b/scripts/kubesphere-delete.sh
@@ -1,58 +1,73 @@
 #!/usr/bin/env bash
 
-# set -x: Print commands and their arguments as they are executed.
-# set -e: Exit immediately if a command exits with a non-zero status.
+function delete_sure(){
+  cat << eof
+$(echo -e "\033[1;36mNote:\033[0m")
 
-# set -xe
+Delete the KubeSphere cluster, including the module kubesphere-system kubesphere-devops-system kubesphere-monitoring-system kubesphere-logging-system openpitrix-system.
+eof
+
+read -p "Please reconfirm that you want to delete the KubeSphere cluster.  (yes/no) " ans
+while [[ "x"$ans != "xyes" && "x"$ans != "xno" ]]; do
+    read -p "Please reconfirm that you want to delete the KubeSphere cluster.  (yes/no) " ans
+done
+
+if [[ "x"$ans == "xno" ]]; then
+    exit
+fi
+}
+
+
+delete_sure
 
 # delete ks-install
-kubectl delete deploy ks-installer -n kubesphere-system
+kubectl delete deploy ks-installer -n kubesphere-system 2>/dev/null
 
 # delete helm
 for namespaces in kubesphere-system kubesphere-devops-system kubesphere-monitoring-system kubesphere-logging-system openpitrix-system
 do
-  helm list -n $namespaces | grep -v NAME | awk '{print $1}' | sort -u | xargs -r -L1 helm uninstall -n $namespaces
+  helm list -n $namespaces | grep -v NAME | awk '{print $1}' | sort -u | xargs -r -L1 helm uninstall -n $namespaces 2>/dev/null
 done
 
 # delete kubefed
 kubectl get cc -n kubesphere-system ks-installer -o jsonpath="{.status.multicluster}" | grep enable
 if [[ $? -eq 0 ]]; then
-  helm uninstall -n kube-federation-system kubefed
-  kubectl delete ns kube-federation-system
+  helm uninstall -n kube-federation-system kubefed 2>/dev/null
+  kubectl delete ns kube-federation-system 2>/dev/null
 fi
 
 
-helm uninstall -n kube-system snapshot-controller
+helm uninstall -n kube-system snapshot-controller 2>/dev/null
 
 # delete kubesphere deployment
-kubectl delete deployment -n kubesphere-system `kubectl get deployment -n kubesphere-system -o jsonpath="{.items[*].metadata.name}"`
+kubectl delete deployment -n kubesphere-system `kubectl get deployment -n kubesphere-system -o jsonpath="{.items[*].metadata.name}"` 2>/dev/null
 
 # delete monitor statefulset
-kubectl delete prometheus -n kubesphere-monitoring-system k8s
-kubectl delete statefulset -n kubesphere-monitoring-system `kubectl get statefulset -n kubesphere-monitoring-system -o jsonpath="{.items[*].metadata.name}"`
-kubectl --no-headers=true get pvc -n kubesphere-monitoring-system -o custom-columns=:metadata.namespace,:metadata.name | grep -E kubesphere-monitoring-system | xargs -n2 kubectl delete pvc -n
+kubectl delete prometheus -n kubesphere-monitoring-system k8s 2>/dev/null
+kubectl delete statefulset -n kubesphere-monitoring-system `kubectl get statefulset -n kubesphere-monitoring-system -o jsonpath="{.items[*].metadata.name}"` 2>/dev/null
+kubectl --no-headers=true get pvc -n kubesphere-monitoring-system -o custom-columns=:metadata.namespace,:metadata.name | grep -E kubesphere-monitoring-system | xargs -n2 kubectl delete pvc -n 2>/dev/null
 
 # delete pvc
 pvcs="kubesphere-system|openpitrix-system|kubesphere-devops-system|kubesphere-logging-system"
-kubectl --no-headers=true get pvc --all-namespaces -o custom-columns=:metadata.namespace,:metadata.name | grep -E $pvcs | xargs -n2 kubectl delete pvc -n
+kubectl --no-headers=true get pvc --all-namespaces -o custom-columns=:metadata.namespace,:metadata.name | grep -E $pvcs | xargs -n2 kubectl delete pvc -n 2>/dev/null
 
 
 # delete rolebindings
 delete_role_bindings() {
   for rolebinding in `kubectl -n $1 get rolebindings -l iam.kubesphere.io/user-ref -o jsonpath="{.items[*].metadata.name}"`
   do
-    kubectl -n $1 delete rolebinding $rolebinding
+    kubectl -n $1 delete rolebinding $rolebinding 2>/dev/null
   done
 }
 
 # delete roles
 delete_roles() {
-  kubectl -n $1 delete role admin
-  kubectl -n $1 delete role operator
-  kubectl -n $1 delete role viewer
+  kubectl -n $1 delete role admin 2>/dev/null
+  kubectl -n $1 delete role operator 2>/dev/null
+  kubectl -n $1 delete role viewer 2>/dev/null
   for role in `kubectl -n $1 get roles -l iam.kubesphere.io/role-template -o jsonpath="{.items[*].metadata.name}"`
   do
-    kubectl -n $1 delete role $role
+    kubectl -n $1 delete role $role 2>/dev/null
   done
 }
 
@@ -71,14 +86,14 @@ for cluster in `kubectl get clusters -o jsonpath="{.items[*].metadata.name}"`
 do
   kubectl patch cluster $cluster -p '{"metadata":{"finalizers":null}}' --type=merge
 done
-kubectl delete clusters --all
+kubectl delete clusters --all 2>/dev/null
 
 # delete workspaces
 for ws in `kubectl get workspaces -o jsonpath="{.items[*].metadata.name}"`
 do
   kubectl patch workspace $ws -p '{"metadata":{"finalizers":null}}' --type=merge
 done
-kubectl delete workspaces --all
+kubectl delete workspaces --all 2>/dev/null
 
 # delete devopsprojects
 for devopsproject in `kubectl get devopsprojects -o jsonpath="{.items[*].metadata.name}"`
@@ -91,19 +106,19 @@ do
   kubectl patch pipeline $pip -n `kubectl get pipeline -A | grep $pip | awk '{print $1}'` -p '{"metadata":{"finalizers":null}}' --type=merge
 done
 
-kubectl delete devopsprojects --all
+kubectl delete devopsprojects --all 2>/dev/null
 
 
 # delete validatingwebhookconfigurations
 for webhook in ks-events-admission-validate users.iam.kubesphere.io validating-webhook-configuration
 do
-  kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io $webhook
+  kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io $webhook 2>/dev/null
 done
 
 # delete mutatingwebhookconfigurations
 for webhook in ks-events-admission-mutate logsidecar-injector-admission-mutate mutating-webhook-configuration
 do
-  kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io $webhook
+  kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io $webhook 2>/dev/null
 done
 
 # delete users
@@ -111,17 +126,17 @@ for user in `kubectl get users -o jsonpath="{.items[*].metadata.name}"`
 do
   kubectl patch user $user -p '{"metadata":{"finalizers":null}}' --type=merge
 done
-kubectl delete users --all
+kubectl delete users --all 2>/dev/null
 
 # delete crds
 for crd in `kubectl get crds -o jsonpath="{.items[*].metadata.name}"`
 do
-  if [[ $crd == *kubesphere.io ]]; then kubectl delete crd $crd; fi
+  if [[ $crd == *kubesphere.io ]]; then kubectl delete crd $crd 2>/dev/null; fi
 done
 
 # delete relevance ns
 for ns in kubesphere-alerting-system kubesphere-controls-system kubesphere-devops-system kubesphere-logging-system kubesphere-monitoring-system openpitrix-system kubesphere-system
 do
-  kubectl delete ns $ns
+  kubectl delete ns $ns 2>/dev/null
 done