Vue combined with iview project, choosing classification times is wrong.

the drop-down box of the category cannot complete the selection and report an error when selecting the category
error message:

clipboard.png
related Code:

        <Cascader :data="dataGoodsCategoryMenu" trigger="hover" change-on-select v-model="dataGoodsCategoryMenu"
          placeholder="" @on-change="changeSelect"></Cascader>


  loadDataGoodsCategory(){
    //
    var _this = this;
    Util.comAjax().typeList({
        data: {},
        type: "post",
        async: true
      }, this,
      function (res) {
        let categoryArr = [];
        console.log(res.data)
        res.data.map((item) => {
          let categoryObj = {};
          categoryObj.value = item.id;
          categoryObj.label = item.name;
          categoryArr.push(categoryObj);
        });
        _this.dataGoodsCategoryMenu = categoryArr;
        _this.dataGoodsCategoryMenu.push({
          value: 0,
          label: "",
        });
        _this.loading = false;
      },
      function () {
        _this.loading = false;
      }
    );
  },
  
  changeSelect(value,selectedData) {
    console.log(selectedData)
  }

ask the boss to take a look at it

Sep.29,2021

change to Select component

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38fac-2c14c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b38fac-2c14c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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