node.js mysql时间显示格式不对

const pool = mysql.createPool({
    host : 'rm-bp1599rsx773p72iso.mysql.rds.aliyuncs.com',
    user : 'root',
    password : 'xXsw201811091130hp',
    timezone:'Asia/Shanghai',
    database : 'ydapp',
    port:'3306'
});