<el-form-item label="行波触发参数" prop="traveling_wave_head">
<el-input placeholder="请输入触发阈值" v-model="connectorRequestForm.traveling_wave_trigger_threshold">
<template slot="prepend">触发阈值</template>
</el-input>
<el-input placeholder="请输入预触发" v-model="connectorRequestForm.traveling_wave_pre_trigger">
<template slot="prepend">预触发</template>
</el-input>
<el-input placeholder="请输入波长" v-model="connectorRequestForm.traveling_wave_length">
<template slot="prepend">波长</template>
</el-input>
<el-input placeholder="请输入采样率" v-model="connectorRequestForm.traveling_wave_head">
<template slot="prepend">采样率</template>
</el-input>
</el-form-item>
这样的输入框只想验证其中一个该怎么做才能不影响到其他三个，现在只要失去焦点四个框都会变红
