diff --git a/pkg/cluster/preinstall/precheck.go b/pkg/cluster/preinstall/precheck.go
index 2289b5ed..a3479219 100644
--- a/pkg/cluster/preinstall/precheck.go
+++ b/pkg/cluster/preinstall/precheck.go
@@ -70,13 +70,13 @@ func PrecheckConfirm(mgr *manager.Manager) {
 	table.OutputA(results)
 	reader := bufio.NewReader(os.Stdin)
 	fmt.Println("")
-	fmt.Println("This is a simple check of your machines.")
-	fmt.Println("Before installation, you should ensure that your machines meet all requirements.")
+	fmt.Println("This is a simple check of your environment.")
+	fmt.Println("Before installation, you should ensure that your machines meet all requirements specified at")
 	fmt.Println("https://github.com/kubesphere/kubekey#requirements-and-recommendations")
 	fmt.Println("")
 Loop:
 	for {
-		fmt.Printf("Whether to continue this installation? [yes/no]: ")
+		fmt.Printf("Continue this installation? [yes/no]: ")
 		input, err := reader.ReadString('\n')
 		if err != nil {
 			mgr.Logger.Fatal(err)
diff --git a/pkg/delete/delete.go b/pkg/delete/delete.go
index ae7c5d1a..af1405e2 100644
--- a/pkg/delete/delete.go
+++ b/pkg/delete/delete.go
@@ -58,7 +58,8 @@ func ExecTasks(mgr *manager.Manager) error {
 		}
 	}
 
-	fmt.Printf("\n\033[1;36;40m%s\033[0m\n", "Successful.")
+	mgr.Logger.Infoln("Successful.")
+
 	return nil
 }
 
@@ -123,7 +124,7 @@ func deleteFiles(mgr *manager.Manager) error {
 
 func Confirm(reader *bufio.Reader) (string, error) {
 	for {
-		fmt.Printf("Are you sure you want to delete this cluster? [yes/no]: ")
+		fmt.Printf("Are you sure to delete this cluster? [yes/no]: ")
 		input, err := reader.ReadString('\n')
 		if err != nil {
 			return "", err
diff --git a/pkg/install/install.go b/pkg/install/install.go
index eeed161d..ce33cded 100644
--- a/pkg/install/install.go
+++ b/pkg/install/install.go
@@ -17,7 +17,6 @@ limitations under the License.
 package install
 
 import (
-	"fmt"
 	"github.com/kubesphere/kubekey/pkg/cluster/etcd"
 	"github.com/kubesphere/kubekey/pkg/cluster/kubernetes"
 	"github.com/kubesphere/kubekey/pkg/cluster/preinstall"
@@ -69,7 +68,8 @@ func ExecTasks(mgr *manager.Manager) error {
 		}
 	}
 
-	fmt.Printf("\n\033[1;36;40m%s\033[0m\n", "Successful.")
+	mgr.Logger.Infoln("Congradulations! Installation is successful.")
+
 	return nil
 }
 
diff --git a/pkg/scale/scale.go b/pkg/scale/scale.go
index 2a0fd4dc..3644dade 100644
--- a/pkg/scale/scale.go
+++ b/pkg/scale/scale.go
@@ -17,7 +17,6 @@ limitations under the License.
 package scale
 
 import (
-	"fmt"
 	"github.com/kubesphere/kubekey/pkg/cluster/kubernetes"
 	"github.com/kubesphere/kubekey/pkg/cluster/preinstall"
 	"github.com/kubesphere/kubekey/pkg/container-engine/docker"
@@ -41,6 +40,7 @@ func ExecTasks(mgr *manager.Manager) error {
 		}
 	}
 
-	fmt.Printf("\n\033[1;36;40m%s\033[0m\n", "Successful.")
+	mgr.Logger.Infoln("Cluster scaling is successful.")
+
 	return nil
 }