code show as below:
<input type="text" name="attachmentName" class="form-control" v-model="caseAttachmentManage.attachmentName" autocomplete="off" placeholder="附件名称" v-validate="'required'" :class="{'input': true, 'is-danger': errors.has('attachmentName') }"/>
<span v-show="errors.has('attachmentName')" class="text-danger" >{{ errors.first('attachmentName') }}</span>The input box cannot be entered, please solve it
