/*隐藏-input-number 上下箭头*/
    .ivu-input-number-handler-wrap {
        display: none;
        width: 22px;
        height: 100%;
        border-left: 1px solid #dcdee2;
        border-radius: 0 4px 4px 0;
        background: #fff;
        position: absolute;
        top: 0;
        right: 0;
        opacity: 0;
        -webkit-transition: opacity .2s ease-in-out;
        transition: opacity .2s ease-in-out;
    }

<Input-Number :min="0" :max="99" v-model="saveform.lwzs"></Input-Number>