vue2.0 element-ui中的el-select选择器无法显示选中的内容

<h4 id="我使用的是element-ui-v2.2.3代码如下当我选择值得时候el-select选择器无法显示选中的内容但是能触发change方法并且能输出选择的值">我使用的是element-ui V2.2.3。代码如下，当我选择值得时候，el-select选择器无法显示选中的内容，但是能触发change方法，并且能输出选择的值。

[
  {
    "groupName": "抽数转换","rowData": [
      {
        "configVos": [
          {
            "configOptions": [
              {
                "id": "D","optionCode": "否","optionValue": "0","paramId": "4"
              },{
                "id": "5","optionCode": "是","optionValue": "1","paramId": "4"
              }
            ],"id": "4E","paramCode": "isView","paramValue": "0"
          },{
            "configOptions": [
              {
                "id": "4","optionCode": "老版本",{
                "id": "4","optionCode": "新版本","paramId": "44"
              }
            ],"id": "24","paramCode": "isDeleteCbnd","paramValue": "1"
          }
        ]
      },{
        "configVos": [
          {
            "configOptions": [
              {
                "id": "EF","optionCode": "估值2.5","paramId": "1"
              },{
                "id": "8B","optionCode": "估值2.5+qd","paramId": "131"
              },{
                "id": "06","optionCode": "恒生2.5","optionValue": "2",{
                "id": "25BF","optionCode": "估值4.5","optionValue": "3","paramId": "31"
              }
            ],"id": "31","paramCode": "converType",{
            "configOptions": [
              {
                "id": "1366","optionCode": "万德","paramId": "98"
              },{
                "id": "EC","optionCode": "聚源","paramId": "8"
              }
            ],"id": "91F8","paramCode": "zxDataSource","paramValue": "0"
          }
        ]
      },{
        "configVos": [
          {
            "configOptions": [
              {
                "id": "CD","optionCode": "期货占用","optionValue": "HS","paramId": "5C"
              },{
                "id": "91508011","optionCode": "其它","optionValue": "YYS","paramId": "91C"
              }
            ],"id": "5C","paramCode": "derivativeDataSource","paramValue": "HS"           
          }
        ]
      }
    ]
  }
]

我只是把下面绿色那句改成上面红色这句，就好了

所以还是要好好看文档！！！

（编辑：李大同）

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