diff --git a/bindShelvingTag.js b/bindShelvingTag.js
index f202e51..520286d 100644
--- a/bindShelvingTag.js
+++ b/bindShelvingTag.js
@@ -4,11 +4,11 @@ const filter = require('./filter');
 const insertDB = require('./db/insertDB')
 
 function bindShelvingTag(barcode, shelving, level){
-    let shelvingId = shelving + level;
     if(filter.filterBarcode(barcode)){
         if(filter.filterShelving(shelving)){
-            bindShelving.bindShelving(barcode, shelvingId);
-            insertShelving.insertShelving(shelvingId);
+            var shelvingId = shelving + level;
+            //insertShelving.insertShelving(shelvingId);
+            //bindShelving.bindShelving(barcode, shelvingId);
             insertDB.insertDB(barcode, shelving, level);
         }else{
             console.log("¡MATRICULA INCORRECTA!")
@@ -18,9 +18,9 @@ function bindShelvingTag(barcode, shelving, level){
     }
 }
 ///DATOS INTRODUCIDOS POR EL USUARIO////
-var barcode = "A0A3B8224DBF"; //valido = "A0A3B82"+ 4 CARACTERES HEXADECIMALES (0-F)
-var shelving = "BCD";   //valido = 3 CARACTERES LETRAS (A-Z)
-var level = "1";
+var barcode = "A0A3B8224DFF"; //valido = "A0A3B82"+ 4 CARACTERES HEXADECIMALES (0-F)
+var shelving = "ABC";   //valido = 3 CARACTERES LETRAS (A-Z)
+var level = "4";
 //////////////////////////////////////
 
 bindShelvingTag(barcode, shelving, level);
diff --git a/db/insertDB.js b/db/insertDB.js
index bcfa053..59b4e25 100644
--- a/db/insertDB.js
+++ b/db/insertDB.js
@@ -1,14 +1,23 @@
 const con = require('./connect')
 
 function insertDB(barcode, shelving, level){
-con.con.connect(function(err) {
-    if (err) throw err;
-    console.log("Connected!");
-    var sql = `INSERT INTO vn.smartTag (code, shelvingFk, level) VALUES ('${barcode}', '${shelving}', ${level})`;
-    con.con.query(sql, function (err, result) {
+  con.con.connect(function(err) {
       if (err) throw err;
-      console.log("1 record inserted");
+      console.log("Connected!");
+      var sql = `IF EXISTS(SELECT * FROM vn.smartTag WHERE code='${barcode}') 
+                  THEN 
+                    UPDATE vn.smartTag 
+                    SET shelvingFk = '${shelving}', level = ${level}
+                    WHERE code='${barcode}';
+                  ELSE 
+                    INSERT 
+                    INTO vn.smartTag (code, shelvingFk, level) 
+                    VALUES ('${barcode}', '${shelving}', ${level});
+                  END IF;`;
+      con.con.query(sql, function (err, result) {
+        if (err) throw err;
+        console.log("1 record inserted");
+      });
     });
-  });
 }
 exports.insertDB = insertDB;
\ No newline at end of file
diff --git a/encrypted.js b/encrypted.js
index 738ce03..3d17c4a 100644
--- a/encrypted.js
+++ b/encrypted.js
@@ -14,4 +14,4 @@ const encryptPassword = async(password) => {
         return crypto.publicEncrypt(externKey, buffer).toString("base64");
 };
 
-exports.encryptPassword = encryptPassword;
\ No newline at end of file
+exports.encryptPassword = encryptPassword;
diff --git a/insertShelving.js b/insertShelving.js
index 00298ff..112da45 100644
--- a/insertShelving.js
+++ b/insertShelving.js
@@ -1,7 +1,7 @@
 const config = require('./config');
 const got = require('got');
 
-function insertShelving(shelving, level){
+function insertShelving(shelvingId){
     (async() => {
         const info = await config.info
         let key = info.data.token