el-form-item标签必填项星号丢失

<el-col :span="12" v-if="diaType!='edit'">
    <el-form-item prop="entityId" label="设施ID" :rules="[{ type: 'number', message: '设施ID必须为数字值'}]">
        <el-input size="small" v-model.number="formInfo.entityId" :disabled="layout.disabled" placeholder="请输入"/>
    </el-form-item>
</el-col>
<el-col :span="12">
    <el-form-item prop="tkala" label="井编号">
        <el-input size="small" v-model="formInfo.tkala" :disabled="layout.disabled" placeholder="请输入"/>
    </el-form-item>
</el-col>