elemntui-tab添加图标

<el-tabs :before-leave="moreState" v-model="activeName" @tab-click="handleClick">
            <el-tab-pane label="用户管理" name="first">用户管理</el-tab-pane>
            <el-tab-pane label="配置管理" name="second">配置管理</el-tab-pane>
            <el-tab-pane label="角色管理" name="third">角色管理</el-tab-pane>
            <el-tab-pane label="定时任务补偿" name="fourth">定时任务补偿</el-tab-pane>
            <el-tab-pane name="more" class="more-btn">
                <div slot="label">
                    <i class="iconfont icon-input"></i>
                    <i class="iconfont icon-enable"></i>
                    <i class="iconfont icon-lock"></i>
                </div>
            </el-tab-pane>
        </el-tabs>

activeName: 'second'
  methods: {
        post(mess) {
            console.log(mess);
        },
        handleClick(tab, event) {
            console.log(tab, event);
            if (this.activeName == "second") {
            } else if (this.activeName == "third") {
            } else if (this.activeName == "fourth") {
            }
        },
        moreState(tab, event) {
            if (tab == 'more') {
                console.log("/////", tab, event);
                return false;
            }
        }
    },
<style lang="scss" scoped>
/deep/ #tab-more {
    width: calc(100% - 200px);
    text-align: right;
}
/deep/ .el-tabs__nav {
    width: calc(100% - 200px);
}
</style>