this.$http.post(ceshiApi+'getCyFoodAndFoodTypeForShopId',{shopId:this.shopId},{emulateJSON:true,credentials: true}).then(function(res){
  if(res.data.type=='success'){
    this.foodList = res.data.data.cyFoodTypeList;
  }
});

this.$http.post(ceshiApi+'getCyMenuFoodByMenuId',{'cyMenuId': id},{emulateJSON:true,credentials: true}).then(function(res){
  if(res.data.type=='success'){
    let data = res.data.data;
    let list = [];
    for(let i = 0; i < data.length; i++) {
      list.push(data[i].foodDefineId);
    }
    this.foodListId = list;
  }else {
    alertErrors(res.data.message);
  }
});

<div class="modal-body">
  <div class="scroll_name ">
    <div class="newRecipe" style="overflow-y: scroll;height: 410px;">
      <div v-for="item in foodList" style="display: flex;flex-wrap: wrap;">
        <label style="margin-right: 20px;">{{ item.name }}</label>
        <div class="food-list">
          <div v-for="food in item.cyFoodDefineList">
            <label>
              <input class="ace check_son" type="checkbox" :value="food.id" v-model="foodListId">
              <span class="lbl">{{ food.name }}</span>
            </label>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>