diff --git a/db/selectCollection.js b/db/selectCollection.js
index d141aeb..8c59913 100644
--- a/db/selectCollection.js
+++ b/db/selectCollection.js
@@ -1,12 +1,7 @@
 const con = require('./connect');
 
-function selectCollectionSmartTag(collectionFk, callback) {
+module.exports = function selectCollectionSmartTag(collectionFk) {
     const sql = `SELECT * FROM vn.collectionSmartTag WHERE collectionFk = ?;`;
-    con.query(sql, collectionFk, function(err, result, fields) {
-        if (err) throw err;
-        callback(null, result);
-    });
-}
-
-exports.selectCollectionSmartTag = selectCollectionSmartTag;
+    return con.query(sql, collectionFk);
+};
 
diff --git a/methods/bindTicketShelving.js b/methods/bindTicketShelving.js
index d5b1c64..cb2e9f0 100644
--- a/methods/bindTicketShelving.js
+++ b/methods/bindTicketShelving.js
@@ -1,61 +1,51 @@
 const express = require('express');
 const router = express.Router(); // eslint-disable-line
-const select = require('../db/selectCollection');
+const collectionSmartTag = require('../db/selectCollection');
+const dataLogIn = require('../server');
+const got = require('got');
 // const insertTicketDB = require('../db/insertTicket');
 
 router.get('/:collectionFk', async(req, res) => {
     const collectionFk = req.params.collectionFk;
-
-    ticketShelving(collectionFk);
+    const [collection] = await collectionSmartTag(collectionFk);
+    await insertTicket(collection);
     res.json({message: 'SUCCESS'});
 });
+
 module.exports = router;
 
-function ticketShelving(collectionFk) {// parametro collectionFk
-    select.selectCollectionSmartTag(collectionFk, function(err, data) {
-        insertTicket(data);
-    });
-}
-
-function insertTicket(consultaSql) {
-    const dataLogIn = require('../server');
-    const got = require('got');
-    (async() => {
-        const info = await dataLogIn.dataLogIn;
-        let key = info.data.token;
-        let currentUser = info.data.currentUser;
-
-        (async() => {
-            for (let i = 0; i < consultaSql.length; i++) {
-                    const {body} = await got.post('http://app.etiquetaselectronicas.com:9999/item/batchImportItem', { // eslint-disable-line
-                    json: {
-                        agencyId: currentUser.agencyId,
-                        merchantId: currentUser.merchantId,
-                        storeId: currentUser.storeId,
-                        unitName: currentUser.unitName,
-                        itemList: [
-                            {
-                                attrCategory: 'verdnatura',
-                                attrName: 'withTicket',
-                                barCode: consultaSql[i].shelvingFk + consultaSql[i].level, // Matricula + nivel
-                                itemTitle: 'tagWithTicket',
-                                productCode: consultaSql[i].ticketFk, // Ticket
-                                qrCode: consultaSql[i].ticketFk,
-                                custFeature1: consultaSql[i].clientFk, // Cliente
-                                custFeature2: consultaSql[i].agencyFk, // Agencia de transporte
-                                custFeature3: '', // consultaSql[i].workerFk, // Trabajador
-                                custFeature4: consultaSql[i].wagon, // Wagon
-                            }
-                        ]
-                    },
-                    responseType: 'json',
-                    headers: {
-                        'Authorization': key
+async function insertTicket(consultaSql) {
+    const info = await dataLogIn.dataLogIn;
+    const key = info.data.token;
+    const currentUser = info.data.currentUser;
+    for (let i = 0; i < consultaSql.length; i++) {
+        await got.post('http://app.etiquetaselectronicas.com:9999/item/batchImportItem', { // eslint-disable-line
+            json: {
+                agencyId: currentUser.agencyId,
+                merchantId: currentUser.merchantId,
+                storeId: currentUser.storeId,
+                unitName: currentUser.unitName,
+                itemList: [
+                    {
+                        attrCategory: 'verdnatura',
+                        attrName: 'withTicket',
+                        barCode: consultaSql[i].shelvingFk + consultaSql[i].level, // Matricula + nivel
+                        itemTitle: 'tagWithTicket',
+                        productCode: consultaSql[i].ticketFk, // Ticket
+                        qrCode: consultaSql[i].ticketFk,
+                        custFeature1: consultaSql[i].clientFk, // Cliente
+                        custFeature2: consultaSql[i].agencyFk, // Agencia de transporte
+                        custFeature3: '', // consultaSql[i].workerFk, // Trabajador
+                        custFeature4: consultaSql[i].wagon, // Wagon
                     }
-                });
+                ]
+            },
+            responseType: 'json',
+            headers: {
+                'Authorization': key
             }
-        })();
-    })();
+        });
+    }
 }
 
 exports.insertTicket = insertTicket;
diff --git a/server.js b/server.js
index ad35c89..879f1a9 100644
--- a/server.js
+++ b/server.js
@@ -4,11 +4,8 @@ const config = require('./config');
 
 const app = express();
 const dataLogIn = logIn;
-
 exports.dataLogIn = dataLogIn;
 
-// con.connect(function(err) {});
-
 // app.use('/getNumShelving', require('./methods/setCollection__'));
 app.use('/bindShelving', require('./methods/bindShelvingTag')); // smartTagFk, shelving, level
 app.use('/insertTicket', require('./methods/bindTicketShelving')); // collectionFk
diff --git a/utilities/encrypted.js b/utilities/encrypted.js
index d97ab1d..f8f9d24 100644
--- a/utilities/encrypted.js
+++ b/utilities/encrypted.js
@@ -1,6 +1,5 @@
 const crypto = require('crypto');
 const got = require('got');
-// const config = require('../config');
 
 const encryptPassword = async password => {
     const {body} = await got.get('http://app.etiquetaselectronicas.com:9999/user/getErpPublicKey', {