前端工作总结120-解决key值不唯一的报错

<!--投放权限-->
        <!--获取投放权限的数据-->
        <el-form-item label="投放权限" :label-width="formLabelWidth">
          <el-select
            v-model="form.publish_permission"
            multiple
            placeholder="请选择投放权限"
          >
            <el-option v-for="(publish,index) in publish_permissions"
                       :key="index+publish.name" :label="publish.name" :value="publish.id">
            </el-option>
          </el-select>
        </el-form-item>