diff --git a/pkg/application/app.go b/pkg/application/app.go
index 61f5d909f..e29c49e28 100644
--- a/pkg/application/app.go
+++ b/pkg/application/app.go
@@ -68,6 +68,14 @@ func Load(envName, appName string) (*Application, error) {
 	return LoadFromFile(filepath.Join(appDir, appName+".yaml"))
 }
 
+func Delete(envName, appName string) error {
+	appDir, err := system.GetApplicationDir(envName)
+	if err != nil {
+		return fmt.Errorf("get app dir from env %s err %v", envName, err)
+	}
+	return os.Remove(filepath.Join(appDir, appName+".yaml"))
+}
+
 func List(envName string) ([]*Application, error) {
 	appDir, err := system.GetApplicationDir(envName)
 	if err != nil {
diff --git a/pkg/cmd/delete.go b/pkg/cmd/delete.go
index 62e02cab3..23e545586 100644
--- a/pkg/cmd/delete.go
+++ b/pkg/cmd/delete.go
@@ -4,19 +4,24 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"os"
+
+	corev1alpha2 "github.com/crossplane/oam-kubernetes-runtime/apis/core/v1alpha2"
+
+	"github.com/cloud-native-application/rudrx/pkg/application"
+
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 
 	"github.com/cloud-native-application/rudrx/api/types"
 
 	cmdutil "github.com/cloud-native-application/rudrx/pkg/cmd/util"
-	corev1alpha2 "github.com/crossplane/oam-kubernetes-runtime/apis/core/v1alpha2"
 	"github.com/spf13/cobra"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
 
 type deleteOptions struct {
-	Component corev1alpha2.Component
-	AppConfig corev1alpha2.ApplicationConfiguration
-	client    client.Client
+	appName string
+	client  client.Client
 	cmdutil.IOStreams
 	Env *types.EnvMeta
 }
@@ -53,39 +58,43 @@ func NewDeleteCommand(c types.Args, ioStreams cmdutil.IOStreams) *cobra.Command
 		if err != nil {
 			return err
 		}
-
-		if err := o.Complete(cmd, args); err != nil {
-			return err
+		if len(args) < 1 {
+			return errors.New("must specify name for the app")
 		}
+		o.appName = args[0]
+
 		return o.Delete()
 	}
 	return cmd
 }
 
-func (o *deleteOptions) Complete(cmd *cobra.Command, args []string) error {
-
-	if len(args) < 1 {
-		return errors.New("must specify name for the app")
-	}
-
-	namespace := o.Env.Namespace
-
-	o.Component.Name = args[0]
-	o.Component.Namespace = namespace
-	o.AppConfig.Name = args[0]
-	o.AppConfig.Namespace = namespace
-	return nil
-}
-
 func (o *deleteOptions) Delete() error {
-	o.Infof("Deleting AppConfig \"%s\"\n", o.AppConfig.Name)
-	err := o.client.Delete(context.Background(), &o.AppConfig)
+	o.Infof("Deleting AppConfig \"%s\"\n", o.appName)
+	if err := application.Delete(o.Env.Name, o.appName); err != nil && !os.IsNotExist(err) {
+		return err
+	}
+	ctx := context.Background()
+	var appConfig corev1alpha2.ApplicationConfiguration
+	err := o.client.Get(ctx, client.ObjectKey{Name: o.appName, Namespace: o.Env.Namespace}, &appConfig)
 	if err != nil {
+		if apierrors.IsNotFound(err) {
+			o.Info("Already deleted")
+			return nil
+		}
 		return fmt.Errorf("delete appconfig err %s", err)
 	}
-	err = o.client.Delete(context.Background(), &o.Component)
-	if err != nil {
-		return fmt.Errorf("delete component err: %s", err)
+	for _, comp := range appConfig.Status.Workloads {
+		var c corev1alpha2.Component
+		c.Name = comp.ComponentName
+		c.Namespace = o.Env.Namespace
+		err = o.client.Delete(context.Background(), &c)
+		if err != nil && !apierrors.IsNotFound(err) {
+			return fmt.Errorf("delete component err: %s", err)
+		}
+	}
+	err = o.client.Delete(context.Background(), &appConfig)
+	if err != nil && !apierrors.IsNotFound(err) {
+		return fmt.Errorf("delete appconfig err %s", err)
 	}
 	o.Info("DELETE SUCCEED")
 	return nil
diff --git a/pkg/cmd/show.go b/pkg/cmd/show.go
index eb656d55e..868299e50 100644
--- a/pkg/cmd/show.go
+++ b/pkg/cmd/show.go
@@ -154,17 +154,17 @@ func showComponent(cmd *cobra.Command, env *types.EnvMeta, compName, appName str
 		}
 		cmd.Printf("%s\n\n", table.String())
 		traits, err := app.GetTraits(compName)
-		if err != nil || len(traits) == 0 {
+		if err != nil {
+			cmd.PrintErr(err)
 			continue
 		}
 		cmd.Println()
 		cmd.Printf("Traits:\n\n")
 		for k, v := range traits {
-			cmd.Printf("    Type:\t%s\n", k)
-			cmd.Printf("    Arguments:\n\n")
+			cmd.Printf("  %s:\n", k)
 			table = uitable.New()
 			for kk, vv := range v {
-				table.AddRow(fmt.Sprintf("  %s:", kk), vv)
+				table.AddRow(fmt.Sprintf("    %s:", kk), vv)
 			}
 			cmd.Printf("%s\n\n", table.String())
 		}