Use the disabled property of the picker options to set the elapsed time to non-dots.

<el-form-item>
	<el-date-picker
    type='datetime'
    v-model='form.date'
    :picker-options='pickeroptions'
    </el-date-picker>
</el-form-item>
data(){
  return {
      pickerOptions:{
          disabledDate (time) {
              return time.getTime() < Date.now()
          }
      }
  }
}  
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