diff --git a/drivers/local/driver.go b/drivers/local/driver.go
index e4b007a3..10d7baa0 100644
--- a/drivers/local/driver.go
+++ b/drivers/local/driver.go
@@ -44,42 +44,42 @@ func (d *Driver) GetAddition() driver.Additional {
 	return d.Addition
 }
 
-func (d *Driver) List(ctx context.Context, dir model.Object) ([]model.Object, error) {
+func (d *Driver) List(ctx context.Context, dir model.Obj) ([]model.Obj, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Link(ctx context.Context, file model.Object, args model.LinkArgs) (*model.Link, error) {
+func (d *Driver) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) MakeDir(ctx context.Context, parentDir model.Object, dirName string) error {
+func (d *Driver) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Move(ctx context.Context, srcObject, dstDir model.Object) error {
+func (d *Driver) Move(ctx context.Context, srcObj, dstDir model.Obj) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Rename(ctx context.Context, srcObject model.Object, newName string) error {
+func (d *Driver) Rename(ctx context.Context, srcObj model.Obj, newName string) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Copy(ctx context.Context, srcObject, dstDir model.Object) error {
+func (d *Driver) Copy(ctx context.Context, srcObj, dstDir model.Obj) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Remove(ctx context.Context, object model.Object) error {
+func (d *Driver) Remove(ctx context.Context, obj model.Obj) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (d *Driver) Put(ctx context.Context, parentDir model.Object, stream model.FileStreamer) error {
+func (d *Driver) Put(ctx context.Context, parentDir model.Obj, stream model.FileStreamer) error {
 	//TODO implement me
 	panic("implement me")
 }
diff --git a/internal/driver/driver.go b/internal/driver/driver.go
index 73807775..c328a82b 100644
--- a/internal/driver/driver.go
+++ b/internal/driver/driver.go
@@ -29,22 +29,26 @@ type Other interface {
 }
 
 type Reader interface {
-	List(ctx context.Context, dir model.Object) ([]model.Object, error)
-	Link(ctx context.Context, file model.Object, args model.LinkArgs) (*model.Link, error)
+	// List list files in the path
+	// if identify files by path, need to set ID with path,like stdpath.Join(dir.GetID(), obj.GetName())
+	// if identify files by id, need to set ID with corresponding id
+	List(ctx context.Context, dir model.Obj) ([]model.Obj, error)
+	// Link get url/filepath/reader of file
+	Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error)
 	//Get(ctx context.Context, path string) (FileInfo, error) // maybe not need
 }
 
 type Writer interface {
 	// MakeDir make a folder named `dirName` in `parentDir`
-	MakeDir(ctx context.Context, parentDir model.Object, dirName string) error
+	MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error
 	// Move move `srcObject` to `dstDir`
-	Move(ctx context.Context, srcObject, dstDir model.Object) error
+	Move(ctx context.Context, srcObj, dstDir model.Obj) error
 	// Rename rename `srcObject` to `newName`
-	Rename(ctx context.Context, srcObject model.Object, newName string) error
+	Rename(ctx context.Context, srcObj model.Obj, newName string) error
 	// Copy copy `srcObject` to `dstDir`
-	Copy(ctx context.Context, srcObject, dstDir model.Object) error
+	Copy(ctx context.Context, srcObj, dstDir model.Obj) error
 	// Remove remove `object`
-	Remove(ctx context.Context, object model.Object) error
+	Remove(ctx context.Context, obj model.Obj) error
 	// Put put `stream` to `parentDir`
-	Put(ctx context.Context, parentDir model.Object, stream model.FileStreamer) error
+	Put(ctx context.Context, parentDir model.Obj, stream model.FileStreamer) error
 }
diff --git a/internal/fs/read.go b/internal/fs/read.go
index ce9d9393..5c472b22 100644
--- a/internal/fs/read.go
+++ b/internal/fs/read.go
@@ -15,7 +15,7 @@ import (
 // List files
 // TODO: hide
 // TODO: sort
-func List(ctx context.Context, path string) ([]model.Object, error) {
+func List(ctx context.Context, path string) ([]model.Obj, error) {
 	account, actualPath, err := operations.GetAccountAndActualPath(path)
 	virtualFiles := operations.GetAccountVirtualFilesByPath(path)
 	if err != nil {
@@ -40,7 +40,7 @@ func List(ctx context.Context, path string) ([]model.Object, error) {
 	return files, nil
 }
 
-func Get(ctx context.Context, path string) (model.Object, error) {
+func Get(ctx context.Context, path string) (model.Obj, error) {
 	path = utils.StandardizationPath(path)
 	// maybe a virtual file
 	if path != "/" {
@@ -55,7 +55,7 @@ func Get(ctx context.Context, path string) (model.Object, error) {
 	if err != nil {
 		// if there are no account prefix with path, maybe root folder
 		if path == "/" {
-			return model.File{
+			return model.Object{
 				Name:     "root",
 				Size:     0,
 				Modified: time.Time{},
diff --git a/internal/fs/util.go b/internal/fs/util.go
index bf7c571e..4e328d63 100644
--- a/internal/fs/util.go
+++ b/internal/fs/util.go
@@ -12,7 +12,7 @@ import (
 	"github.com/pkg/errors"
 )
 
-func containsByName(files []model.Object, file model.Object) bool {
+func containsByName(files []model.Obj, file model.Obj) bool {
 	for _, f := range files {
 		if f.GetName() == file.GetName() {
 			return true
@@ -23,7 +23,7 @@ func containsByName(files []model.Object, file model.Object) bool {
 
 var httpClient = &http.Client{}
 
-func getFileStreamFromLink(file model.Object, link *model.Link) (model.FileStreamer, error) {
+func getFileStreamFromLink(file model.Obj, link *model.Link) (model.FileStreamer, error) {
 	var rc io.ReadCloser
 	mimetype := mime.TypeByExtension(stdpath.Ext(file.GetName()))
 	if link.Data != nil {
@@ -57,7 +57,7 @@ func getFileStreamFromLink(file model.Object, link *model.Link) (model.FileStrea
 		mimetype = "application/octet-stream"
 	}
 	stream := model.FileStream{
-		Object:     file,
+		Obj:        file,
 		ReadCloser: rc,
 		Mimetype:   mimetype,
 	}
diff --git a/internal/model/file.go b/internal/model/file.go
deleted file mode 100644
index e8753c07..00000000
--- a/internal/model/file.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package model
-
-import "time"
-
-type File struct {
-	ID       string
-	Name     string
-	Size     uint64
-	Modified time.Time
-	IsFolder bool
-}
-
-func (f File) GetName() string {
-	return f.Name
-}
-
-func (f File) GetSize() uint64 {
-	return f.Size
-}
-
-func (f File) ModTime() time.Time {
-	return f.Modified
-}
-
-func (f File) IsDir() bool {
-	return f.IsFolder
-}
-
-func (f File) GetID() string {
-	return f.ID
-}
diff --git a/internal/model/obj.go b/internal/model/obj.go
new file mode 100644
index 00000000..1314c286
--- /dev/null
+++ b/internal/model/obj.go
@@ -0,0 +1,28 @@
+package model
+
+import (
+	"io"
+	"time"
+)
+
+type Obj interface {
+	GetSize() uint64
+	GetName() string
+	ModTime() time.Time
+	IsDir() bool
+	GetID() string
+}
+
+type FileStreamer interface {
+	io.ReadCloser
+	Obj
+	GetMimetype() string
+}
+
+type URL interface {
+	URL() string
+}
+
+type Thumbnail interface {
+	Thumbnail() string
+}
diff --git a/internal/model/object.go b/internal/model/object.go
index 951aed18..463d21a4 100644
--- a/internal/model/object.go
+++ b/internal/model/object.go
@@ -1,28 +1,31 @@
 package model
 
-import (
-	"io"
-	"time"
-)
+import "time"
 
-type Object interface {
-	GetSize() uint64
-	GetName() string
-	ModTime() time.Time
-	IsDir() bool
-	GetID() string
+type Object struct {
+	ID       string
+	Name     string
+	Size     uint64
+	Modified time.Time
+	IsFolder bool
 }
 
-type FileStreamer interface {
-	io.ReadCloser
-	Object
-	GetMimetype() string
+func (f Object) GetName() string {
+	return f.Name
 }
 
-type URL interface {
-	URL() string
+func (f Object) GetSize() uint64 {
+	return f.Size
 }
 
-type Thumbnail interface {
-	Thumbnail() string
+func (f Object) ModTime() time.Time {
+	return f.Modified
+}
+
+func (f Object) IsDir() bool {
+	return f.IsFolder
+}
+
+func (f Object) GetID() string {
+	return f.ID
 }
diff --git a/internal/model/stream.go b/internal/model/stream.go
index 90fbe991..43a0a200 100644
--- a/internal/model/stream.go
+++ b/internal/model/stream.go
@@ -5,7 +5,7 @@ import (
 )
 
 type FileStream struct {
-	Object
+	Obj
 	io.ReadCloser
 	Mimetype string
 }
diff --git a/internal/operations/account.go b/internal/operations/account.go
index 2b949a5d..97b83f88 100644
--- a/internal/operations/account.go
+++ b/internal/operations/account.go
@@ -136,8 +136,8 @@ func getAccountsByPath(path string) []driver.Driver {
 // GetAccountVirtualFilesByPath Obtain the virtual file generated by the account according to the path
 // for example, there are: /a/b,/a/c,/a/d/e,/a/b.balance1,/av
 // GetAccountVirtualFilesByPath(/a) => b,c,d
-func GetAccountVirtualFilesByPath(prefix string) []model.Object {
-	files := make([]model.Object, 0)
+func GetAccountVirtualFilesByPath(prefix string) []model.Obj {
+	files := make([]model.Obj, 0)
 	accounts := accountsMap.Values()
 	sort.Slice(accounts, func(i, j int) bool {
 		if accounts[i].GetAccount().Index == accounts[j].GetAccount().Index {
@@ -165,7 +165,7 @@ func GetAccountVirtualFilesByPath(prefix string) []model.Object {
 		if _, ok := set[name]; ok {
 			continue
 		}
-		files = append(files, model.File{
+		files = append(files, model.Object{
 			Name:     name,
 			Size:     0,
 			Modified: v.GetAccount().Modified,
diff --git a/internal/operations/fs.go b/internal/operations/fs.go
index 6163b343..4a2466bf 100644
--- a/internal/operations/fs.go
+++ b/internal/operations/fs.go
@@ -16,11 +16,11 @@ import (
 
 // In order to facilitate adding some other things before and after file operations
 
-var filesCache = cache.NewMemCache(cache.WithShards[[]model.Object](64))
-var filesG singleflight.Group[[]model.Object]
+var filesCache = cache.NewMemCache(cache.WithShards[[]model.Obj](64))
+var filesG singleflight.Group[[]model.Obj]
 
 // List files in storage, not contains virtual file
-func List(ctx context.Context, account driver.Driver, path string) ([]model.Object, error) {
+func List(ctx context.Context, account driver.Driver, path string) ([]model.Obj, error) {
 	dir, err := Get(ctx, account, path)
 	if err != nil {
 		return nil, errors.WithMessage(err, "failed get dir")
@@ -32,13 +32,13 @@ func List(ctx context.Context, account driver.Driver, path string) ([]model.Obje
 	if files, ok := filesCache.Get(key); ok {
 		return files, nil
 	}
-	files, err, _ := filesG.Do(key, func() ([]model.Object, error) {
+	files, err, _ := filesG.Do(key, func() ([]model.Obj, error) {
 		files, err := account.List(ctx, dir)
 		if err != nil {
 			return nil, errors.WithMessage(err, "failed to list files")
 		}
 		// TODO: maybe can get duration from account's config
-		filesCache.Set(key, files, cache.WithEx[[]model.Object](time.Minute*time.Duration(conf.Conf.CaCheExpiration)))
+		filesCache.Set(key, files, cache.WithEx[[]model.Obj](time.Minute*time.Duration(conf.Conf.CaCheExpiration)))
 		return files, nil
 	})
 	return files, err
@@ -46,10 +46,10 @@ func List(ctx context.Context, account driver.Driver, path string) ([]model.Obje
 
 // Get get object from list of files
 // TODO: maybe should set object ID with path here
-func Get(ctx context.Context, account driver.Driver, path string) (model.Object, error) {
+func Get(ctx context.Context, account driver.Driver, path string) (model.Obj, error) {
 	// is root folder
 	if r, ok := account.GetAddition().(driver.IRootFolderId); ok && utils.PathEqual(path, "/") {
-		return model.File{
+		return model.Object{
 			ID:       r.GetRootFolderId(),
 			Name:     "root",
 			Size:     0,
@@ -58,7 +58,7 @@ func Get(ctx context.Context, account driver.Driver, path string) (model.Object,
 		}, nil
 	}
 	if r, ok := account.GetAddition().(driver.IRootFolderPath); ok && utils.PathEqual(path, r.GetRootFolderPath()) {
-		return model.File{
+		return model.Object{
 			ID:       r.GetRootFolderPath(),
 			Name:     "root",
 			Size:     0,
@@ -138,34 +138,34 @@ func MakeDir(ctx context.Context, account driver.Driver, path string) error {
 }
 
 func Move(ctx context.Context, account driver.Driver, srcPath, dstPath string) error {
-	srcObject, err := Get(ctx, account, srcPath)
+	srcObj, err := Get(ctx, account, srcPath)
 	if err != nil {
 		return errors.WithMessage(err, "failed to get src object")
 	}
 	dstDir, err := Get(ctx, account, stdpath.Dir(dstPath))
-	return account.Move(ctx, srcObject, dstDir)
+	return account.Move(ctx, srcObj, dstDir)
 }
 
 func Rename(ctx context.Context, account driver.Driver, srcPath, dstName string) error {
-	srcObject, err := Get(ctx, account, srcPath)
+	srcObj, err := Get(ctx, account, srcPath)
 	if err != nil {
 		return errors.WithMessage(err, "failed to get src object")
 	}
-	return account.Rename(ctx, srcObject, dstName)
+	return account.Rename(ctx, srcObj, dstName)
 }
 
 // Copy Just copy file[s] in an account
 func Copy(ctx context.Context, account driver.Driver, srcPath, dstPath string) error {
-	srcObject, err := Get(ctx, account, srcPath)
+	srcObj, err := Get(ctx, account, srcPath)
 	if err != nil {
 		return errors.WithMessage(err, "failed to get src object")
 	}
 	dstDir, err := Get(ctx, account, stdpath.Dir(dstPath))
-	return account.Copy(ctx, srcObject, dstDir)
+	return account.Copy(ctx, srcObj, dstDir)
 }
 
 func Remove(ctx context.Context, account driver.Driver, path string) error {
-	object, err := Get(ctx, account, path)
+	obj, err := Get(ctx, account, path)
 	if err != nil {
 		// if object not found, it's ok
 		if driver.IsErrObjectNotFound(err) {
@@ -173,7 +173,7 @@ func Remove(ctx context.Context, account driver.Driver, path string) error {
 		}
 		return errors.WithMessage(err, "failed to get object")
 	}
-	return account.Remove(ctx, object)
+	return account.Remove(ctx, obj)
 }
 
 func Put(ctx context.Context, account driver.Driver, parentPath string, file model.FileStreamer) error {