diff --git a/internal/cmdline/agent.go b/internal/cmdline/agent.go
index c6ed3b6..8cd6eb2 100644
--- a/internal/cmdline/agent.go
+++ b/internal/cmdline/agent.go
@@ -11,7 +11,7 @@ import (
 var parseAgentEventCmdTrie cmdtrie.StaticCommandTrie[any] = cmdtrie.NewStaticCommandTrie[any]()
 
 func AgentPostEvent(ctx CommandContext, nodeID int, args []string) error {
-	ret, err := parseAgentEventCmdTrie.Execute(args...)
+	ret, err := parseAgentEventCmdTrie.Execute(args, cmdtrie.ExecuteOption{ReplaceEmptyArrayWithNil: true})
 	if err != nil {
 		return fmt.Errorf("execute parsing event command failed, err: %w", err)
 	}
diff --git a/internal/cmdline/bucket.go b/internal/cmdline/bucket.go
index 6366b74..c6f326b 100644
--- a/internal/cmdline/bucket.go
+++ b/internal/cmdline/bucket.go
@@ -4,13 +4,12 @@ import (
 	"fmt"
 
 	"github.com/jedib0t/go-pretty/v6/table"
-	"gitlink.org.cn/cloudream/client/internal/services"
 )
 
-func (c *Commandline) ListUserBuckets() error {
+func BucketListUserBuckets(ctx CommandContext) error {
 	userID := 0
 
-	buckets, err := services.BucketSvc(c.Svc).GetUserBuckets(userID)
+	buckets, err := ctx.Cmdline.Svc.BucketSvc().GetUserBuckets(userID)
 	if err != nil {
 		return err
 	}
@@ -28,10 +27,10 @@ func (c *Commandline) ListUserBuckets() error {
 	return nil
 }
 
-func (c *Commandline) CreateBucket(bucketName string) error {
+func BucketCreateBucket(ctx CommandContext, bucketName string) error {
 	userID := 0
 
-	bucketID, err := services.BucketSvc(c.Svc).CreateBucket(userID, bucketName)
+	bucketID, err := ctx.Cmdline.Svc.BucketSvc().CreateBucket(userID, bucketName)
 	if err != nil {
 		return err
 	}
@@ -40,10 +39,10 @@ func (c *Commandline) CreateBucket(bucketName string) error {
 	return nil
 }
 
-func (c *Commandline) DeleteBucket(bucketID int) error {
+func BucketDeleteBucket(ctx CommandContext, bucketID int) error {
 	userID := 0
 
-	err := services.BucketSvc(c.Svc).DeleteBucket(userID, bucketID)
+	err := ctx.Cmdline.Svc.BucketSvc().DeleteBucket(userID, bucketID)
 	if err != nil {
 		return err
 	}
@@ -51,3 +50,11 @@ func (c *Commandline) DeleteBucket(bucketID int) error {
 	fmt.Printf("Delete bucket %d success ", bucketID)
 	return nil
 }
+
+func init() {
+	commands.MustAdd(BucketListUserBuckets, "bucket", "ls")
+
+	commands.MustAdd(BucketCreateBucket, "bucket", "new")
+
+	commands.MustAdd(BucketDeleteBucket, "bucket", "delete")
+}
diff --git a/internal/cmdline/commandline.go b/internal/cmdline/commandline.go
index 2ba55df..f150efb 100644
--- a/internal/cmdline/commandline.go
+++ b/internal/cmdline/commandline.go
@@ -3,9 +3,7 @@ package cmdline
 import (
 	"fmt"
 	"os"
-	"strconv"
 
-	"gitlink.org.cn/cloudream/client/internal/config"
 	"gitlink.org.cn/cloudream/client/internal/services"
 	"gitlink.org.cn/cloudream/common/pkg/cmdtrie"
 )
@@ -27,166 +25,17 @@ func NewCommandline(svc *services.Service) (*Commandline, error) {
 }
 
 func (c *Commandline) DispatchCommand(allArgs []string) {
-	cmd := allArgs[0]
-	args := allArgs[1:]
-
-	switch cmd {
-	case "read":
-		objectID, err := strconv.Atoi(args[1])
-		if err != nil {
-			fmt.Printf("invalid object id %s, err: %s", args[1], err.Error())
-			os.Exit(1)
-		}
-
-		if err := c.Read(args[0], objectID); err != nil {
-			fmt.Printf("read failed, err: %s", err.Error())
-			os.Exit(1)
-		}
-
-	case "write":
-		bucketID, err := strconv.Atoi(args[1])
-		if err != nil {
-			fmt.Printf("invalid bucket id %s, err: %s", args[1], err.Error())
-			os.Exit(1)
-		}
-		repCount, _ := strconv.Atoi(args[3])
-		if repCount <= 0 || repCount > config.Cfg().MaxRepCount {
-			fmt.Printf("replicate number should not be more than %d", config.Cfg().MaxRepCount)
-			os.Exit(1)
-		}
-
-		if err := c.RepWrite(args[0], bucketID, args[2], repCount); err != nil {
-			fmt.Printf("rep write failed, err: %s", err.Error())
-			os.Exit(1)
-		}
-	case "ecWrite":
-		bucketID, err := strconv.Atoi(args[1])
-		if err != nil {
-			fmt.Printf("invalid bucket id %s, err: %s", args[1], err.Error())
-			os.Exit(1)
-		}
-		if err := c.EcWrite(args[0], bucketID, args[2], args[3]); err != nil {
-			fmt.Printf("ec write failed, err: %s", err.Error())
-			os.Exit(1)
-		}
-
-	case "storage":
-		if len(args) == 0 {
-			fmt.Printf("need more arg")
-			os.Exit(1)
-		}
-		cmd := args[0]
-
-		switch cmd {
-		case "move":
-			objectID, err := strconv.Atoi(args[1])
-			if err != nil {
-				fmt.Printf("invalid object id %s, err: %s", args[1], err.Error())
-				os.Exit(1)
-			}
-			stgID, err := strconv.Atoi(args[2])
-			if err != nil {
-				fmt.Printf("invalid storage id %s, err: %s", args[2], err.Error())
-				os.Exit(1)
-			}
-
-			if err := c.MoveObjectToStorage(objectID, stgID); err != nil {
-				fmt.Printf("move failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-		}
-
-	case "bucket":
-		if len(args) == 0 {
-			fmt.Printf("need more arg")
-			os.Exit(1)
-		}
-		cmd := args[0]
-
-		switch cmd {
-		case "ls":
-			if err := c.ListUserBuckets(); err != nil {
-				fmt.Printf("get user buckets failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-
-		case "new":
-			if err := c.CreateBucket(args[1]); err != nil {
-				fmt.Printf("create bucket failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-
-		case "delete":
-			bucketID, err := strconv.Atoi(args[1])
-			if err != nil {
-				fmt.Printf("invalid bucket id %s, err: %s", args[1], err.Error())
-				os.Exit(1)
-			}
-
-			if err := c.DeleteBucket(bucketID); err != nil {
-				fmt.Printf("delete bucket failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-		}
-
-	case "object":
-		if len(args) == 0 {
-			fmt.Printf("need more arg")
-			os.Exit(1)
-		}
-
-		switch args[0] {
-		case "ls":
-			bucketID, err := strconv.Atoi(args[1])
-			if err != nil {
-				fmt.Printf("invalid bucket id %s, err: %s", args[1], err.Error())
-				os.Exit(1)
-			}
-
-			if err := c.ListBucketObjects(bucketID); err != nil {
-				fmt.Printf("get bucket objects failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-
-		case "update":
-			objectID, err := strconv.Atoi(args[1])
-			if err != nil {
-				fmt.Printf("invalid object id %s, err: %s", args[1], err.Error())
-				os.Exit(1)
-			}
-
-			if err := c.UpdateRepObject(objectID, args[2]); err != nil {
-				fmt.Printf("delete object failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-
-		case "delete":
-			objectID, err := strconv.Atoi(args[1])
-			if err != nil {
-				fmt.Printf("invalid object id %s, err: %s", args[1], err.Error())
-				os.Exit(1)
-			}
-
-			if err := c.DeleteObject(objectID); err != nil {
-				fmt.Printf("delete object failed, err: %s", err.Error())
-				os.Exit(1)
-			}
-		}
-
-	default:
-		// TODO 将上面的命令也用cmdTrie管理
-		cmdCtx := CommandContext{
-			Cmdline: c,
-		}
-		cmdErr, err := commands.Execute(cmdCtx, allArgs...)
-		if err != nil {
-			fmt.Printf("execute command failed, err: %s", err.Error())
-			os.Exit(1)
-		}
-		if cmdErr != nil {
-			fmt.Printf("execute command failed, err: %s", err.Error())
-			os.Exit(1)
-		}
+	// TODO 需要区分nil数组和空数组
+	cmdCtx := CommandContext{
+		Cmdline: c,
+	}
+	cmdErr, err := commands.Execute(cmdCtx, allArgs, cmdtrie.ExecuteOption{ReplaceEmptyArrayWithNil: true})
+	if err != nil {
+		fmt.Printf("execute command failed, err: %s", err.Error())
+		os.Exit(1)
+	}
+	if cmdErr != nil {
+		fmt.Printf("execute command failed, err: %s", cmdErr.Error())
+		os.Exit(1)
 	}
-
 }
diff --git a/internal/cmdline/object.go b/internal/cmdline/object.go
index 8523843..a83002a 100644
--- a/internal/cmdline/object.go
+++ b/internal/cmdline/object.go
@@ -7,13 +7,12 @@ import (
 	"path/filepath"
 
 	"github.com/jedib0t/go-pretty/v6/table"
-	"gitlink.org.cn/cloudream/client/internal/services"
 )
 
-func (c *Commandline) ListBucketObjects(bucketID int) error {
+func ObjectListBucketObjects(ctx CommandContext, bucketID int) error {
 	userID := 0
 
-	objects, err := services.BucketSvc(c.Svc).GetBucketObjects(userID, bucketID)
+	objects, err := ctx.Cmdline.Svc.BucketSvc().GetBucketObjects(userID, bucketID)
 	if err != nil {
 		return err
 	}
@@ -31,7 +30,7 @@ func (c *Commandline) ListBucketObjects(bucketID int) error {
 	return nil
 }
 
-func (c *Commandline) Read(localFilePath string, objectID int) error {
+func ObjectDownloadObject(ctx CommandContext, localFilePath string, objectID int) error {
 	// 创建本地文件
 	curExecPath, err := os.Executable()
 	if err != nil {
@@ -53,7 +52,7 @@ func (c *Commandline) Read(localFilePath string, objectID int) error {
 	defer outputFile.Close()
 
 	// 下载文件
-	reader, err := services.ObjectSvc(c.Svc).DownloadObject(0, objectID)
+	reader, err := ctx.Cmdline.Svc.ObjectSvc().DownloadObject(0, objectID)
 	if err != nil {
 		return fmt.Errorf("download object failed, err: %w", err)
 	}
@@ -68,7 +67,7 @@ func (c *Commandline) Read(localFilePath string, objectID int) error {
 	return nil
 }
 
-func (c *Commandline) RepWrite(localFilePath string, bucketID int, objectName string, repCount int) error {
+func ObjectUploadRepObject(ctx CommandContext, localFilePath string, bucketID int, objectName string, repCount int) error {
 	file, err := os.Open(localFilePath)
 	if err != nil {
 		return fmt.Errorf("open file %s failed, err: %w", localFilePath, err)
@@ -81,7 +80,7 @@ func (c *Commandline) RepWrite(localFilePath string, bucketID int, objectName st
 	}
 	fileSize := fileInfo.Size()
 
-	err = services.ObjectSvc(c.Svc).UploadRepObject(0, bucketID, objectName, file, fileSize, repCount)
+	err = ctx.Cmdline.Svc.ObjectSvc().UploadRepObject(0, bucketID, objectName, file, fileSize, repCount)
 	if err != nil {
 		return fmt.Errorf("upload file data failed, err: %w", err)
 	}
@@ -89,12 +88,12 @@ func (c *Commandline) RepWrite(localFilePath string, bucketID int, objectName st
 	return nil
 }
 
-func (c *Commandline) EcWrite(localFilePath string, bucketID int, objectName string, ecName string) error {
+func ObjectEcWrite(ctx CommandContext, localFilePath string, bucketID int, objectName string, ecName string) error {
 	// TODO
 	panic("not implement yet")
 }
 
-func (c *Commandline) UpdateRepObject(objectID int, filePath string) error {
+func ObjectUpdateRepObject(ctx CommandContext, objectID int, filePath string) error {
 	userID := 0
 
 	file, err := os.Open(filePath)
@@ -109,7 +108,7 @@ func (c *Commandline) UpdateRepObject(objectID int, filePath string) error {
 	}
 	fileSize := fileInfo.Size()
 
-	err = services.ObjectSvc(c.Svc).UpdateRepObject(userID, objectID, file, fileSize)
+	err = ctx.Cmdline.Svc.ObjectSvc().UpdateRepObject(userID, objectID, file, fileSize)
 	if err != nil {
 		return fmt.Errorf("update object %d failed, err: %w", objectID, err)
 	}
@@ -117,11 +116,23 @@ func (c *Commandline) UpdateRepObject(objectID int, filePath string) error {
 	return nil
 }
 
-func (c *Commandline) DeleteObject(objectID int) error {
+func ObjectDeleteObject(ctx CommandContext, objectID int) error {
 	userID := 0
-	err := services.ObjectSvc(c.Svc).DeleteObject(userID, objectID)
+	err := ctx.Cmdline.Svc.ObjectSvc().DeleteObject(userID, objectID)
 	if err != nil {
 		return fmt.Errorf("delete object %d failed, err: %w", objectID, err)
 	}
 	return nil
 }
+
+func init() {
+	commands.MustAdd(ObjectListBucketObjects, "object", "ls")
+
+	commands.MustAdd(ObjectUploadRepObject, "object", "new", "rep")
+
+	commands.MustAdd(ObjectDownloadObject, "object", "get")
+
+	commands.MustAdd(ObjectUpdateRepObject, "object", "update", "rep")
+
+	commands.MustAdd(ObjectDeleteObject, "object", "delete")
+}
diff --git a/internal/cmdline/scanner.go b/internal/cmdline/scanner.go
index 9b288c8..74f2f4d 100644
--- a/internal/cmdline/scanner.go
+++ b/internal/cmdline/scanner.go
@@ -11,7 +11,7 @@ import (
 var parseScannerEventCmdTrie cmdtrie.StaticCommandTrie[any] = cmdtrie.NewStaticCommandTrie[any]()
 
 func ScannerPostEvent(ctx CommandContext, args []string) error {
-	ret, err := parseScannerEventCmdTrie.Execute(args...)
+	ret, err := parseScannerEventCmdTrie.Execute(args, cmdtrie.ExecuteOption{ReplaceEmptyArrayWithNil: true})
 	if err != nil {
 		return fmt.Errorf("execute parsing event command failed, err: %w", err)
 	}
diff --git a/internal/cmdline/storage.go b/internal/cmdline/storage.go
index d2c7aac..54caccb 100644
--- a/internal/cmdline/storage.go
+++ b/internal/cmdline/storage.go
@@ -1,7 +1,9 @@
 package cmdline
 
-import "gitlink.org.cn/cloudream/client/internal/services"
+func StorageMoveObjectToStorage(ctx CommandContext, objectID int, storageID int) error {
+	return ctx.Cmdline.Svc.StorageSvc().MoveObjectToStorage(0, objectID, storageID)
+}
 
-func (c *Commandline) MoveObjectToStorage(objectID int, storageID int) error {
-	return services.StorageSvc(c.Svc).MoveObjectToStorage(0, objectID, storageID)
+func init() {
+	commands.MustAdd(StorageMoveObjectToStorage, "storage", "move")
 }
diff --git a/internal/services/bucket.go b/internal/services/bucket.go
index f95fd9b..52c6179 100644
--- a/internal/services/bucket.go
+++ b/internal/services/bucket.go
@@ -11,7 +11,7 @@ type BucketService struct {
 	*Service
 }
 
-func BucketSvc(svc *Service) *BucketService {
+func (svc *Service) BucketSvc() *BucketService {
 	return &BucketService{Service: svc}
 }
 
diff --git a/internal/services/object.go b/internal/services/object.go
index 12279fb..cd85723 100644
--- a/internal/services/object.go
+++ b/internal/services/object.go
@@ -28,7 +28,7 @@ type ObjectService struct {
 	*Service
 }
 
-func ObjectSvc(svc *Service) *ObjectService {
+func (svc *Service) ObjectSvc() *ObjectService {
 	return &ObjectService{Service: svc}
 }
 
diff --git a/internal/services/storage.go b/internal/services/storage.go
index cbda021..ae85e49 100644
--- a/internal/services/storage.go
+++ b/internal/services/storage.go
@@ -13,7 +13,7 @@ type StorageService struct {
 	*Service
 }
 
-func StorageSvc(svc *Service) *StorageService {
+func (svc *Service) StorageSvc() *StorageService {
 	return &StorageService{Service: svc}
 }