javascript - vue+element UI中selecter總是顯示初始值，不顯示placeholder值

使用vue搭配element UI做查詢區域，因為雙向資料綁定的原因，select總是在初始化的時候直接就顯示了初始化的值，而不顯示placeholder裡面的值，如圖：

#可是後台預設是不穿參數查詢全部，如果吧全部的value改成別的值就會導致查詢不出數據，尷尬啊！！
求大神解決！

<p class="search-area m-t-md">
          <p class="header clearfix">
            <h3 class="text">仓库管理</h3>
            <span class="btn-text" @click="modalShow = true"><i class="icon-plus"></i>添加仓库</span>
          </p>
          <p class="inner">
            <el-input v-model="searchInfo.houseCode"  placeholder="请输入仓库编码或名称"></el-input>
            <el-select v-model="searchInfo.houseType"  placeholder="请选择仓库类型">
              <el-option value="" label="全部"></el-option>
              <el-option value="1" label="总店"></el-option>
              <el-option value="2" label="门店"></el-option>
            </el-select>
            <el-select v-model="searchInfo.storeNo"  placeholder="请选择所属门店">
              <el-option value="" label="全部"></el-option>
              <el-option v-for="store in storeLists" :key="store.storeNo" :value="store.storeNo" :label="store.storeName"></el-option>
            </el-select>
            <el-button type="primary" @click="getDepotLists">查询</el-button>
          </p>
        </p>
        
        <script type="text/ecmascript-6">
  import {mapState} from 'vuex'
    export default {
        name: 'depot',
        data () {
            return {
               
                searchInfo:{
                  method:'cn.linkea.mshop.houseFacade.findPageList',
                  chainCode:'',
                  createOperator:'',
                  houseCode:'',
                  houseName:'',
                  houseType:'',
                  pageIndex:'1',
                  pageSize:'10',
                  storeManager:'',
                  storeName:'',
                  storeNo:'',
                  updateOperator:''
                }
                
            }
        }
        

    }
</script>

巴扎黑2745 天前1703

javascript - vue+element UI中selecter總是顯示初始值，不顯示placeholder值

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