diff --git a/copy b/copy
index f93be78..cc42fe1 100755
--- a/copy
+++ b/copy
@@ -16,6 +16,8 @@ const { argv } = require('yargs')
   .describe('s', '不填默认拷贝全部文件，如果设置了这个值，则过滤掉小于这个size的文件，必须以b结尾，比如10mb')
   .alias('S', 'service_account')
   .describe('S', '指定使用service account进行操作，前提是必须在 ./sa 目录下放置json授权文件，请确保sa帐号拥有操作权限。')
+  .alias('D', 'dncnr')
+  .describe('D', 'do not create new root, 不在目的地创建同名文件夹，直接将源文件夹中的文件原样复制到目的文件夹中')
   .help('h')
   .alias('h', 'help')
 
@@ -25,11 +27,11 @@ const { DEFAULT_TARGET } = require('./config')
 let [source, target] = argv._
 
 if (validate_fid(source)) {
-  const { name, update, file, not_teamdrive, size, service_account } = argv
+  const { name, update, file, not_teamdrive, size, service_account, dncnr } = argv
   if (file) {
     target = target || DEFAULT_TARGET
     if (!validate_fid(target)) throw new Error('target id 格式不正确')
-    return copy_file(source, target).then(r => {
+    return copy_file(source, target, service_account).then(r => {
       const link = 'https://drive.google.com/drive/folders/' + target
       console.log('任务完成，文件所在位置：\n', link)
     }).catch(console.error)
@@ -39,7 +41,7 @@ if (validate_fid(source)) {
     console.log(`不复制大小低于 ${size} 的文件`)
     min_size = bytes.parse(size)
   }
-  copy({ source, target, name, min_size, update, not_teamdrive, service_account }).then(folder => {
+  copy({ source, target, name, min_size, update, not_teamdrive, service_account, dncnr }).then(folder => {
     if (!folder) return
     const link = 'https://drive.google.com/drive/folders/' + folder.id
     console.log('\n任务完成，新文件夹链接：\n', link)