vue 数据更新问题

<swiper :current="tabCur" class="swiper-box" duration="700" circular @change="changeDrawList">
            <swiper-item class="tab-content" v-for="(items,indexs) in drawList" :key="indexs">
                <scroll-view style="height: 100%;  overflow: hidden;" scroll-y @scrolltolower="onBotton">
                    <!-- 加载loading图标 -->
                    <view class="content" :style="{height:height1 + ‘px‘}" v-if="items.loadModal">
                        <view class="cu-load">
                            <view class="gray-text">
                                <view class="loading">
                                    <text></text>
                                    <text></text>
                                    <text></text>
                                    <text></text>
                                    <text></text>
                                </view>
                            </view>
                        </view>
                    </view>
                    <block v-else>
                        <view class="ma-desc">
                            <text class="te-desc">&emsp;&emsp;{{items.message}}</text>
                            <text class="te-author">{{items.createTime}}</text>
                        </view>
                        <!-- 作品区域 -->
                        <view class="draw-list">
                            <view class="drawItem" v-for="item in items.data" :key="item.draw_id">
                                <view class="draw">
                                    <!-- 短边优先 -->
                                    <image :src="item.draw_image_url" mode="aspectFill" lazy-load></image>
                                </view>
                                <view class="drawAuthor">
                                    <image :src="item.draw_tou"></image>
                                    <text class="name">{{item.draw_name}}</text>
                                </view>
                            </view>
                        </view>
                    </block>
                </scroll-view>
            </swiper-item>
        </swiper>

getInfo() {
                this.drawList[this.tabCur] = List;
                // 应完成请求后的回调中设置
                setTimeout(() => {
                    // this.drawList[this.tabCur].loadModal = false;
                    this.$set(this.drawList[this.tabCur],"loadModal",false); //这个也搞不定，只成功修改了数组中的对象值
                    this.$forceUpdate();  //救星 强制刷新
                }, 1500);
            }