问如果我console.log我的结果，它会显示，但如果我返回它，它不会

EN

const express = require('express');
const app = express();

app.use(express.static('client'));
var GetContracts = require('./contractsService');

app.get('/contracts', async (req, res) => {
    var results = await GetContracts.get();
    console.log(results);
    res.send(results);
});

module.exports = app;

var mysql = require('mysql');
const config = require('./config')

var con = mysql.createConnection({
    host: config.HOST,
    user: config.USER,
    password: config.PASSWORD,
    database: config.DATABASE
});


exports.get = function () {
    con.connect(function (err) {
        if (err) {
            throw new Error('Error by Rodney')
        };
        con.query("SELECT * FROM " + config.DATABASE + ".Contracts", function (err, result, fields) {
            if (err) {
                throw new Error('Error by Rodney')
            };
            return result;
            //console.log(result); //works
        });
    });
}