2fa is not working on live server in nodejs

[phantomAA92]

Describe the bug
I've implemented optlib in node js and it's working fine on the localhost but not on the live server.

Following is the backed code where I am checking it.

const { totp, authenticator } = require('otplib');
const appName = process.env.TOTP_APP_NAME;
const label = req.user ? req.user.email : 'user';
totp.options = { window: 1 };

const secret = authenticator.generateSecret();

const qrcode = require('qrcode');
const otpauthUrl = authenticator.keyuri(label, appName, secret);

const { verificationCode, totpSecret } = req.body;
const verified = authenticator.verify(verificationCode, totpSecret);

verified is always false on live server.

can you help me this bug???