mysql 和 connection.js 均配置了密码，但是报下面的错误

const mysql = require('mysql2');
exports.getConnection = function(){
	let connection = mysql.createConnection({
		host: 'localhost',
		database: 'safety',
		user: 'root',
		password: 'xxx'
	});
	connection.connect();
	return connection;
};

enter site.js

[/site/post] error: ER_ACCESS_DENIED_ERROR: Access denied for user 'root'@'localhost' (using password: NO) SequelizeAccessDeniedError: ER_ACCESS_DENIED_ERROR: Access denied for user 'root'@'localhost' (using password: NO)