<el-date-picker
          v-if="item.inputType === 'date'"
          v-model="item.value"
          size="mini"
          type="date"
          format="yyyy-MM-dd"
          value-format="yyyy-MM-dd"
          :picker-options="pickerOptions"
          :placeholder="item.placeholder"
          @input="changeVal(item.value, index)"
>
</el-date-picker>

// js
data () {
      return {
        pickerOptions: {
          disabledDate (time) {
            return time.getTime() < Date.now() - 86400000
          }
        }
      }
    },