elementui表格数据数组中有数组的遍历显示

<el-table-column
      label="特点"
      width= "290"
      prop="characteristicTag"
    >
    <template slot-scope="tags">
        <span v-for="tag in tags.row.characteristicTag "><el-tag>{
   
   {tag}}</el-tag></span>
    </template>
    </el-table-column>

//获取产品列表
getProductList() {
  new Promise((resolve, reject) => {
    getProductList().then(response => {
      const { data } = response
      this.tableData = data
    }).catch(error => {
      reject(error)
    })
  })
},

结果展示：