Bitcoin generate addresses from xpub

[dominator-1]

Hello, I'm trying to create a module which generate addresses from my xpub.

Currently I have this code

var bitcore = require('bitcore-lib');
var Address = bitcore.Address;
var PublicKey = bitcore.PublicKey;
var Networks = bitcore.Networks;

var xpub = 'xpub6C5jKCKeVmMNaceEoVRsTy7e8ZBCwmJZBv5gJYEV1h3QubtBB4RUecEdfEWfvCM5aD15DiaaAjJq5zgBZzFX2vYzUZLfSt4NEfVHahZKD2v';
var hdPublickey = new bitcore.HDPublicKey(xpub);
var orderPublickey = hdPublickey.deriveChild("m/49/0/4/1");
var pubkey = new PublicKey(orderPublickey.publicKey);
var address = Address.fromPublicKey(pubkey, Networks.mainnet);

var address2 = Address.fromPublicKey(pubkey);

console.log(address.toString());

This is working for me and generate addresses, but when I send btc to newly created addresses I can't see transaction when checking my xpub on blockchain.info.
Looks like generated addresses not bound to my xpub.

Can someone help me with it?