vant的list高度自适应 vant list offset

<div :style="{height: contentHeight}">
        <van-list
                v-model="listloading"
                :finished="listfinished"
                finished-text="亲，我是有底线的"
                v-on:load="onLoad"
                :immediate-check="flagimm"
                :offset="50">
            <div v-for="(item,index) in addlist" v-bind:key="index">
                ...
            </div>
        </van-list>
</div>        

data:{
  contentHeight: 0,    
}
mounted(){
  this.contentHeight = document.documentElement.clientHeight - 66 - 40 + "px";
},