diff --git a/config.js b/config.js
index a5be9169..feace787 100644
--- a/config.js
+++ b/config.js
@@ -21,4 +21,8 @@ const AUTH = { // 如果您拥有service account的json授权文件，可将其
   tg_whitelist: ['your_tg_username'] // 你的tg username(t.me/username)，bot只会执行这个列表里的用户所发送的指令
 }
 
-module.exports = { AUTH, PARALLEL_LIMIT, RETRY_LIMIT, TIMEOUT_BASE, TIMEOUT_MAX, LOG_DELAY, PAGE_SIZE, DEFAULT_TARGET }
+const BUTTON_LEVEL = 1 // Default as 1, all number large than 2 will be judge as 2.
+
+const SA_PATH = '../sa' // Default as '../sa'
+
+module.exports = { AUTH, PARALLEL_LIMIT, RETRY_LIMIT, TIMEOUT_BASE, TIMEOUT_MAX, LOG_DELAY, PAGE_SIZE, DEFAULT_TARGET, BUTTON_LEVEL, SA_PATH }
diff --git a/src/gd.js b/src/gd.js
index 73262685..de3849f9 100644
--- a/src/gd.js
+++ b/src/gd.js
@@ -8,7 +8,7 @@ const HttpsProxyAgent = require('https-proxy-agent')
 const { GoogleToken } = require('gtoken')
 const handle_exit = require('signal-exit')
 
-const { AUTH, RETRY_LIMIT, PARALLEL_LIMIT, TIMEOUT_BASE, TIMEOUT_MAX, LOG_DELAY, PAGE_SIZE, DEFAULT_TARGET } = require('../config')
+const { AUTH, RETRY_LIMIT, PARALLEL_LIMIT, TIMEOUT_BASE, TIMEOUT_MAX, LOG_DELAY, PAGE_SIZE, DEFAULT_TARGET, SA_PATH } = require('../config')
 const { db } = require('../db')
 const { make_table, make_tg_table, make_html, summary } = require('./summary')
 
@@ -18,7 +18,7 @@ const { https_proxy } = process.env
 const axins = axios.create(https_proxy ? { httpsAgent: new HttpsProxyAgent(https_proxy) } : {})
 
 const SA_BATCH_SIZE = 1000
-const SA_FILES = fs.readdirSync(path.join(__dirname, '../sa')).filter(v => v.endsWith('.json'))
+const SA_FILES = fs.readdirSync(path.join(__dirname, SA_PATH)).filter(v => v.endsWith('.json'))
 SA_FILES.flag = 0
 let SA_TOKENS = get_sa_batch()
 
diff --git a/src/tg.js b/src/tg.js
index 5677fd1e..1e0e7ac3 100644
--- a/src/tg.js
+++ b/src/tg.js
@@ -9,7 +9,7 @@ const { AUTH, DEFAULT_TARGET, USE_PERSONAL_AUTH } = require('../config')
 const { tg_token } = AUTH
 const gen_link = (fid, text) => `<a href="https://drive.google.com/drive/folders/${fid}">${text || fid}</a>`
 
-if (!tg_token) throw new Error('请先在auth.js里设置tg_token')
+if (!tg_token) throw new Error('请先在config.js里设置tg_token')
 const { https_proxy } = process.env
 const axins = axios.create(https_proxy ? { httpsAgent: new HttpsProxyAgent(https_proxy) } : {})
 
@@ -92,7 +92,23 @@ function get_target_by_alias (alias) {
 }
 
 function send_choice ({ fid, chat_id }) {
-  return sm({
+  if(BUTTON_LEVEL == 1){
+    return sm({
+    chat_id,
+    text: `识别出分享ID ${fid}，请选择动作`,
+    reply_markup: {
+      inline_keyboard: [
+        [
+          { text: '文件统计', callback_data: `count ${fid}` }
+        ],
+        [
+          { text: '开始复制', callback_data: `copy ${fid}` }
+        ]
+      ].concat(gen_bookmark_choices(fid))
+    }
+    })
+  }else{
+    return sm({
     chat_id,
     text: `识别出分享ID ${fid}，请选择动作`,
     reply_markup: {
@@ -103,7 +119,31 @@ function send_choice ({ fid, chat_id }) {
         ]
       ].concat(gen_bookmark_choices(fid))
     }
-  })
+    })
+  }
+}
+
+// console.log(gen_bookmark_choices())
+function gen_bookmark_choices (fid) {
+  let level = 1
+  if (BUTTON_LEVEL > 2){
+    level = 2
+  }else{
+    level = BUTTON_LEVEL
+  }
+  const gen_choice = v => ({text: `复制到 ${v.alias}`, callback_data: `copy ${fid} ${v.alias}`})
+  const records = db.prepare('select * from bookmark').all()
+  db.close()
+  const result = []
+  for (let i = 0; i < records.length; i++) {
+    const line = [gen_choice(records[i])]
+    for(let j = 0; j < level-1; j ++){
+      if (records[i+1]) line.push(gen_choice(records[i+1]))
+        i++
+    }
+    result.push(line)
+  }
+  return result
 }
 
 // console.log(gen_bookmark_choices())