diff --git a/cmd/harbor/root/project/delete.go b/cmd/harbor/root/project/delete.go
index b09447cb..65a3c6b5 100644
--- a/cmd/harbor/root/project/delete.go
+++ b/cmd/harbor/root/project/delete.go
@@ -1,6 +1,8 @@
 package project
 
 import (
+	"sync"
+
 	"github.com/goharbor/harbor-cli/pkg/api"
 	"github.com/goharbor/harbor-cli/pkg/prompt"
 	log "github.com/sirupsen/logrus"
@@ -9,22 +11,56 @@ import (
 
 // DeleteProjectCommand creates a new `harbor delete project` command
 func DeleteProjectCommand() *cobra.Command {
-
 	cmd := &cobra.Command{
-		Use:   "delete",
-		Short: "delete project by name or id",
-		Args:  cobra.MaximumNArgs(1),
+		Use:     "delete [NAME|ID]",
+		Short:   "delete project by name or id",
+		Example: `  harbor project delete [NAME|ID]`,
+		Args:    cobra.MinimumNArgs(0),
 		Run: func(cmd *cobra.Command, args []string) {
-			var err error
+			var wg sync.WaitGroup
+			errChan := make(
+				chan error,
+				len(args),
+			) // Channel to collect errors
 
 			if len(args) > 0 {
-				err = api.DeleteProject(args[0])
+				for _, arg := range args {
+					wg.Add(1)
+					go func(projectName string) {
+						defer wg.Done()
+						if err := api.DeleteProject(projectName); err != nil {
+							errChan <- err
+						}
+					}(arg)
+				}
 			} else {
-				projectName := prompt.GetProjectNameFromUser()
-				err = api.DeleteProject(projectName)
+				userId := prompt.GetUserIdFromUser()
+				wg.Add(1)
+				go func(userId int64) {
+					defer wg.Done()
+					if err := api.DeleteUser(userId); err != nil {
+						errChan <- err
+					}
+				}(userId)
+			}
+
+			// Wait for all goroutines to finish
+			go func() {
+				wg.Wait()
+				close(errChan)
+			}()
+
+			// Collect and handle errors
+			var finalErr error
+			for err := range errChan {
+				if finalErr == nil {
+					finalErr = err
+				} else {
+					log.Errorf("Error: %v", err)
+				}
 			}
-			if err != nil {
-				log.Errorf("failed to delete project: %v", err)
+			if finalErr != nil {
+				log.Errorf("failed to delete some projects: %v", finalErr)
 			}
 		},
 	}
diff --git a/cmd/harbor/root/registry/delete.go b/cmd/harbor/root/registry/delete.go
index ed9d426b..9edc37d5 100644
--- a/cmd/harbor/root/registry/delete.go
+++ b/cmd/harbor/root/registry/delete.go
@@ -2,6 +2,7 @@ package registry
 
 import (
 	"strconv"
+	"sync"
 
 	"github.com/goharbor/harbor-cli/pkg/api"
 	"github.com/goharbor/harbor-cli/pkg/prompt"
@@ -11,23 +12,54 @@ import (
 
 // NewDeleteRegistryCommand creates a new `harbor delete registry` command
 func DeleteRegistryCommand() *cobra.Command {
-
 	cmd := &cobra.Command{
-		Use:   "delete",
+		Use:   "delete [registryId]",
 		Short: "delete registry by id",
-		Args:  cobra.MaximumNArgs(1),
+		Args:  cobra.MinimumNArgs(0),
 		Run: func(cmd *cobra.Command, args []string) {
-			var err error
-
+			var wg sync.WaitGroup
+			errChan := make(chan error, len(args))
 			if len(args) > 0 {
-				registryId, _ := strconv.ParseInt(args[0], 10, 64)
-				err = api.DeleteRegistry(registryId)
+				for _, arg := range args {
+					registryId, _ := strconv.ParseInt(arg, 10, 64)
+					wg.Add(1)
+					go func(registryId int64) {
+						defer wg.Done()
+						if err := api.DeleteRegistry(registryId); err != nil {
+							errChan <- err
+						}
+					}(registryId)
+				}
 			} else {
 				registryId := prompt.GetRegistryNameFromUser()
-				err = api.DeleteRegistry(registryId)
+				wg.Add(1)
+
+				go func(registryId int64) {
+					defer wg.Done()
+					if err := api.DeleteRegistry(registryId); err != nil {
+						errChan <- err
+					}
+				}(registryId)
 			}
-			if err != nil {
-				log.Errorf("failed to delete registry: %v", err)
+
+			// Wait for all goroutines to finish
+			go func() {
+				wg.Wait()
+				close(errChan)
+			}()
+
+			// Collect and handle errors
+			var finalErr error
+			for err := range errChan {
+				if finalErr == nil {
+					finalErr = err
+				} else {
+					log.Errorf("Error: %v", err)
+				}
+			}
+
+			if finalErr != nil {
+				log.Errorf("failed to delete registry: %v", finalErr)
 			}
 		},
 	}
diff --git a/cmd/harbor/root/user/delete.go b/cmd/harbor/root/user/delete.go
index 1b5afc8a..91c5e831 100644
--- a/cmd/harbor/root/user/delete.go
+++ b/cmd/harbor/root/user/delete.go
@@ -2,6 +2,7 @@ package user
 
 import (
 	"strconv"
+	"sync"
 
 	"github.com/goharbor/harbor-cli/pkg/api"
 	"github.com/goharbor/harbor-cli/pkg/prompt"
@@ -12,26 +13,54 @@ import (
 func UserDeleteCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "delete",
-		Short: "delete user",
-		Args:  cobra.MaximumNArgs(1),
+		Short: "delete user by UserID",
+		Args:  cobra.MinimumNArgs(0),
 		Run: func(cmd *cobra.Command, args []string) {
-			var err error
-			if len(args) > 0 {
-				userId, _ := strconv.ParseInt(args[0], 10, 64)
-				err = api.DeleteUser(userId)
+			var wg sync.WaitGroup
+			errChan := make(chan error, len(args)) // Channel to collect error
 
+			if len(args) > 0 {
+				for _, arg := range args {
+					userId, _ := strconv.ParseInt(arg, 10, 64)
+					wg.Add(1)
+					go func(userId int64) {
+						defer wg.Done()
+						if err := api.DeleteUser(userId); err != nil {
+							errChan <- err
+						}
+					}(userId)
+				}
 			} else {
 				userId := prompt.GetUserIdFromUser()
-				err = api.DeleteUser(userId)
+				wg.Add(1)
+				go func(userId int64) {
+					defer wg.Done()
+					if err := api.DeleteUser(userId); err != nil {
+						errChan <- err
+					}
+				}(userId)
 			}
 
-			if err != nil {
-				log.Errorf("failed to delete user: %v", err)
-			}
+			// Wait for all goroutines to finish
+			go func() {
+				wg.Wait()
+				close(errChan)
+			}()
 
+			// Collect and handle errors
+			var finalErr error
+			for err := range errChan {
+				if finalErr == nil {
+					finalErr = err
+				} else {
+					log.Errorf("Error: %v", err)
+				}
+			}
+			if finalErr != nil {
+				log.Errorf("failed to delete user: %v", finalErr)
+			}
 		},
 	}
 
 	return cmd
-
 }