diff --git a/backend/app/dto/request/file.go b/backend/app/dto/request/file.go
index a7082451c..a7c384ead 100644
--- a/backend/app/dto/request/file.go
+++ b/backend/app/dto/request/file.go
@@ -20,7 +20,7 @@ type FileCreate struct {
 	IsDir     bool   `json:"isDir"`
 	Mode      int64  `json:"mode" validate:"required"`
 	IsLink    bool   `json:"isLink"`
-	IsSymlink bool   `json:"isSymlink "`
+	IsSymlink bool   `json:"isSymlink"`
 	LinkPath  string `json:"linkPath"`
 }
 
diff --git a/backend/app/service/file.go b/backend/app/service/file.go
index a9a6dc600..3c61feb76 100644
--- a/backend/app/service/file.go
+++ b/backend/app/service/file.go
@@ -93,12 +93,15 @@ func (f FileService) GetFileTree(op request.FileOption) ([]response.FileTree, er
 func (f FileService) Create(op request.FileCreate) error {
 	fo := files.NewFileOp()
 	if fo.Stat(op.Path) {
-		return errors.New("file is exist")
+		return buserr.New(constant.ErrFileIsExit)
 	}
 	if op.IsDir {
 		return fo.CreateDir(op.Path, fs.FileMode(op.Mode))
 	} else {
 		if op.IsLink {
+			if !fo.Stat(op.Path) {
+				return buserr.New(constant.ErrLinkPathNotFound)
+			}
 			return fo.LinkFile(op.LinkPath, op.Path, op.IsSymlink)
 		} else {
 			return fo.CreateFile(op.Path)
diff --git a/backend/constant/errs.go b/backend/constant/errs.go
index d78af1791..2a9ce983b 100644
--- a/backend/constant/errs.go
+++ b/backend/constant/errs.go
@@ -79,8 +79,10 @@ var (
 
 //file
 var (
-	ErrPathNotFound   = "ErrPathNotFound"
-	ErrMovePathFailed = "ErrMovePathFailed"
+	ErrPathNotFound     = "ErrPathNotFound"
+	ErrMovePathFailed   = "ErrMovePathFailed"
+	ErrLinkPathNotFound = "ErrLinkPathNotFound"
+	ErrFileIsExit       = "ErrFileIsExit"
 )
 
 //mysql
diff --git a/backend/i18n/lang/en.yaml b/backend/i18n/lang/en.yaml
index f67ec16f4..f11ee56cb 100644
--- a/backend/i18n/lang/en.yaml
+++ b/backend/i18n/lang/en.yaml
@@ -32,6 +32,8 @@ ErrFileCanNotRead: "File can not read"
 ErrFileToLarge: "file is too large"
 ErrPathNotFound: "Path is not found"
 ErrMovePathFailed: "The target path cannot contain the original path!"
+ErrLinkPathNotFound: "Target path does not exist!"
+ErrFileIsExit: "File already exists!"
 
 #website
 ErrDomainIsExist: "Domain is already exist"
diff --git a/backend/i18n/lang/zh.yaml b/backend/i18n/lang/zh.yaml
index e59bafd6d..169b5421f 100644
--- a/backend/i18n/lang/zh.yaml
+++ b/backend/i18n/lang/zh.yaml
@@ -32,6 +32,8 @@ ErrFileCanNotRead: "此文件不支持预览"
 ErrFileToLarge: "文件超过10M,无法打开"
 ErrPathNotFound: "目录不存在"
 ErrMovePathFailed: "目标路径不能包含原路径！"
+ErrLinkPathNotFound: "目标路径不存在!"
+ErrFileIsExit: "文件已存在！"
 
 #website
 ErrDomainIsExist: "域名已存在"
diff --git a/backend/utils/files/file_op.go b/backend/utils/files/file_op.go
index bfac51d84..33ca60dfa 100644
--- a/backend/utils/files/file_op.go
+++ b/backend/utils/files/file_op.go
@@ -151,7 +151,6 @@ func (w *WriteCounter) SaveProcess() {
 			global.LOG.Errorf("save cache error, err %s", err.Error())
 		}
 	}
-
 }
 
 func (f FileOp) DownloadFileWithProcess(url, dst, key string) error {
@@ -183,7 +182,6 @@ func (f FileOp) DownloadFileWithProcess(url, dst, key string) error {
 		out.Close()
 		resp.Body.Close()
 	}()
-
 	return nil
 }
 
@@ -205,7 +203,6 @@ func (f FileOp) DownloadFile(url, dst string) error {
 	}
 	out.Close()
 	resp.Body.Close()
-
 	return nil
 }