element-ui el-select drop-down box can be input and selected

        <el-select
           class="_update-select mr8"
           style="width: 230px"
           placeholder="输入/选择"
           v-model="provider"
           filterable
           @blur="selectBlur"
           @clear="getInputWareList(queryData)"
        >
          <el-option
            v-for="item in uhfList"
            :key="item.id"
            :label="item.name"
            :value="item.name"
          >
          </el-option>
        </el-select>

    selectBlur(even) {
      if (even.target.value) {
        this.queryData.selectName = even.target.value;
      }
    },