El select drop-down box multi selection remote search anti display

<el-form-item label="** Fang :" prop="coSponsorIds">
          <el-select v-if="isShow" v-model="form.coSponsorIds" placeholder=" Please enter ** Party name "
            :style="{width: '100%'}"
            multiple //  Whether to choose more than one 
            filterable// by el-select add to filterable Property to enable the search function 
            remote // Whether it's a remote search 
            reserve-keyword // When multiple selection and searchable , Whether the selected keyword remains after the current search 
            :remote-method="getcoSponsorNamesList" //  Remote search method 
            :loading="loading">
            <el-option v-for="(item, index) in coSponsorNamesList" :key="index" :label="item.deptName"
              :value="item.deptId" :disabled="item.disabled"></el-option>
          </el-select>
          <p style="margin: 0px;" v-else  v-for="(item, index) in seestopConference.coSponsorIds" :key="index">
            <span>{
    {
    item}}</span>
          </p>
          </el-form-item>