old_contents: var express = require('express');
  var router = express.Router();
  var redis = require('redis');
  require('date-utils');
  
  client = redis.createClient();
  
  /* GET users listing. */
  router.post('/', function(req, res, next) {
    client.get("fl-tweets", function(err, reply){
      if(err){throw err;}
      else if(reply){
        var dt = new Date();
        var json = JSON.parse(reply);
        json.tl.unshift({
          name: req.body.name,
          tweet: req.body.tweet,
          time: dt.toFormat("YYYYMMDDHH24MI")
        });
        if(!json.name || !req.body.tweet){res.send("luck params");return;}
        client.set("fl-tweets", JSON.stringify(json), function(err, keys_replies){
          if(err){throw err;}
          else{res.send(req.body.name + " tweet.");return;}
          return;
        });
      }
      else{res.send("error occured.");return;}
    });
  });
  
  router.get('/', function(req, res, next) {
    client.get("fl-tweets", function(err, reply){
      if(err){throw err;}
      else if(reply){
        res.send(reply);
        return;
      }
    });
  });
  
  module.exports = router;
  
new_contents: var express = require('express');
  var router = express.Router();
  var redis = require('redis');
  require('date-utils');
  
  client = redis.createClient();
  
  /* GET users listing. */
  router.post('/', function(req, res, next) {
    client.get("fl-tweets", function(err, reply){
      if(err){throw err;}
      else if(reply){
        var dt = new Date();
        var json = JSON.parse(reply);
        json.tl.unshift({
          name: req.body.name,
          tweet: req.body.tweet,
          time: dt.toFormat("YYYYMMDDHH24MI")
        });
        if(!req.body.name || !req.body.tweet){res.send("luck params");return;}
        client.set("fl-tweets", JSON.stringify(json), function(err, keys_replies){
          if(err){throw err;}
          else{res.send(req.body.name + " tweet.");return;}
          return;
        });
      }
      else{res.send("error occured.");return;}
    });
  });
  
  router.get('/', function(req, res, next) {
    client.get("fl-tweets", function(err, reply){
      if(err){throw err;}
      else if(reply){
        res.send(reply);
        return;
      }
    });
  });
  
  module.exports = router;
  
subject: fix :cry: