old_contents: let express = require('express')
  let builder = require('botbuilder')
  let YiBan = require('yiban-sdk')
  let app = express()
  let yb = new YiBan('484b6cb2a841acbd','b419227786ef48b206a690f97c2cddf5','','')
  
  let connector = new builder.ChatConnector({
      appId: '3685e916-b8a6-4f3d-8a9e-e4e9231c25a7',
      appPassword: 'Dgxxxf9DJVk31qnN6sZM9RV'
  })
  
  app.get('/',(req, res, next)=>{
      res.send('This is Chat Bot!!!')
  })
  
  app.post('/api/messages',connector.listen())
  
  let bot = new builder.UniversalBot(connector, (session)=>{
      yb.decryptoVerifyRequest(session.message.user.id)
      session.send(yb.access_token||'Hello World')
  })
  
  const luis_url = 'https://westus.api.cognitive.microsoft.com/luis/v2.0/apps/e8704174-630f-4a65-a018-7c634758321c?subscription-key=e6e5627b25f04e8fb05e3dffad6120a3&timezoneOffset=0&verbose=true&q='
  bot.recognizer(new builder.LuisRecognizer(luis_url));
  bot.dialog('greeting',(session)=>{
      session.endDialog('Hello')
  }).triggerAction({
      matches: '快搭'
  })
  
  
  let server = app.listen(process.env.PORT||5000, ()=> {
      console.log('Node app is running on port',server.address().port);
  });
new_contents: let express = require('express')
  let builder = require('botbuilder')
  let YiBan = require('yiban-sdk')
  let app = express()
  let yb = new YiBan('484b6cb2a841acbd','b419227786ef48b206a690f97c2cddf5','','')
  
  let connector = new builder.ChatConnector({
      appId: '3685e916-b8a6-4f3d-8a9e-e4e9231c25a7',
      appPassword: 'Dgxxxf9DJVk31qnN6sZM9RV'
  })
  
  app.get('/',(req, res, next)=>{
      res.send('This is Chat Bot!!!')
  })
  
  app.post('/api/messages',connector.listen())
  
  let bot = new builder.UniversalBot(connector, (session)=>{
      console.log(session.message.user.id)
      yb.decryptoVerifyRequest(session.message.user.id)
      session.send(yb.access_token||'Hello World')
  })
  
  const luis_url = 'https://westus.api.cognitive.microsoft.com/luis/v2.0/apps/e8704174-630f-4a65-a018-7c634758321c?subscription-key=e6e5627b25f04e8fb05e3dffad6120a3&timezoneOffset=0&verbose=true&q='
  bot.recognizer(new builder.LuisRecognizer(luis_url));
  bot.dialog('greeting',(session)=>{
      session.endDialog('Hello')
  }).triggerAction({
      matches: '快搭'
  })
  
  
  let server = app.listen(process.env.PORT||5000, ()=> {
      console.log('Node app is running on port',server.address().port);
  });
subject: test for vq decypt