message: [bugfix] DatetimePicker: incorrect value when use formatter
diff: @@ -30,7 +30,7 @@ export default create({
  },
  props: {
  - value: {},
  + value: null,
  title: String,
  itemHeight: Number,
  visibleItemCount: Number,
  @@ -264,12 +264,13 @@ export default create({
  },
  onChange(picker) {
  - const values = picker.getValues();
  let value;
  if (this.type === 'time') {
  - value = values.join(':');
  + const indexes = picker.getIndexes();
  + value = `${indexes[0] + this.minHour}:${indexes[1] + this.minMinute}`;
  } else {
  + const values = picker.getValues();
  const year = this.getTrueValue(values[0]);
  const month = this.getTrueValue(values[1]);
  const maxDate = this.getMonthEndDay(year, month);
  @@ -284,10 +285,11 @@ export default create({
  hour = this.getTrueValue(values[3]);
  minute = this.getTrueValue(values[4]);
  }
  +
  value = new Date(year, month - 1, date, hour, minute);
  }
  - value = this.correctValue(value);
  - this.innerValue = value;
  +
  + this.innerValue = this.correctValue(value);
  this.$nextTick(() => {
  this.$nextTick(() => {
  @@ -301,10 +303,10 @@ export default create({
  const { formatter, pad } = this;
  if (this.type === 'time') {
  - const currentValue = value.split(':');
  + const pair = value.split(':');
  values = [
  - formatter('hour', currentValue[0]),
  - formatter('minute', currentValue[1])
  + formatter('hour', pair[0]),
  + formatter('minute', pair[1])
  ];
  } else {
  values = [
  