time format
usually, will try time.Format("YYYY-MM-DD HH:mm")
,but this is a different。2006-01-02 15:04:05
is go birth time,then the creator make it to time format layout。
// you will get like 2006-01-02 15:04:05 layout of current time.
// eg: 2019-04-23 22:57:09
time.Now().Format("2006-01-02 15:04:05")