users.js - routes - server - update number of follower - Instagram Clone React Node

user.js

app.post('/users/followers', (req, res) => {
  const { numberOfFollowers, id } = req.body;
  const updateNumberOfFollowersSql = "UPDATE user_account SET user_number_of_followers = ? WHERE id = ?";
  dbConn.query(updateNumberOfFollowersSql, [numberOfFollowers, id], function (err, updatedUser) {
    if (err) {
      res.status(200).jsonp({ message: "The system error. Please try again" });
    } else if (updatedUser) {
      res.status(200).jsonp({ id });
    }
  });
});