text: var express = require('express');
  var router = express.Router();
  
  var System = require('../../models/system');
  
  var conf = require('../../config');
  var logger = require('tracer')[conf.log.strategy](conf.log.setting.log);
  
  router.post('/', function(req, res) {
  	logger.log(">>>>> put system");
  	System.find({}, function(err, docs) {
  		logger.log(">>>>> length : " + docs.length);
  		logger.log(">>>>> _id : " + docs[0]._id);
  		logger.log(">>>>> req.body : " + req.body.system_name);
  		logger.log(">>>>> req.body.system_name : " + req.body.system_name);
  		System.update({_id : docs[0]._id}, {system_name : req.body.system_name},
  			function(err) {
  				if(err) {
  					logger.err(err);
  					throw err;
  				}
  				res.send({msg : "success"});
  		});
  	});
  });
  
  module.exports = router;
  