插件：send-coupon 版本：1.4.5 报错： MiniProgramError null is not an object (evaluating 't.top') TypeError: null is not an object (evaluating 't.top') at (wxf3f436ba9bd4be7b/appservice.js:1413:956) at (WAServiceMainContext.js:1:1560266) at <SelectorQuery callback function> at forEach (native code) at (WAServiceMainContext.js:1:1560503) at (WAServiceMainContext.js:1:1556882) at (WASubContext.js:1:399194) at pe (WASubContext.js:1:279740) at de (WASubContext.js:1:279633) at (WASubContext.js:1:280409) at (WAServiceMainContext.js:1:643027) at emit (WAServiceMainContext.js:1:102447) at emit (native code) at dispatch (WAServiceMainContext.js:1:114338) at cb (WAServiceMainContext.js:1:114879) at cb (native code) at emit (WAServiceMainContext.js:1:101819) at subscribeHandler (WAServiceMainContext.js:1:110175) global code@ 我这边也是偶现的，没法给复现。希望帮看下这段 null is not an object (evaluating 't.top'  到底是哪个对象没有取到？这里的内部逻辑是怎样的？我才好判断是哪里出了问题      <send-coupon       data-adsData="{{value}}"        bind:sendcoupon="getcoupon"        bind:userconfirm="jump"       send_coupon_params="{{value.ads.coupon_params.send_coupon_params || []}}"        sign="{{value.ads.coupon_params.sign || ''}}"        send_coupon_merchant="{{value.ads.coupon_params.send_coupon_merchant || ''}}"  wx:if="{{ showBanner && !value.is_gdt && value.ads.scenario_type === 'bannerCoupon' && value.ads.creative.url}}"     >       <image        src="{{value.ads.creative.url ? value.ads.creative.url: ''}}"       data-clickType="MateNPMBannerCouponClick"        data-adsData="{{value}}"        data-params="{{params}}"        data-keyAds="ads"        class="banner-coupon-img"        mode="widthFix"        bindload="adLoad"        binderror="adError"     />     </send-coupon>

最近收到领券组件send-coupon v2.0.2的更新通知，同时线上用户偶现领券组件不渲染导致无法领券的问题 小程序日均uv：500，4天内出现5名用户不渲染领券组件的问题 有人知道什么情况吗？看最新的文档上也没相关说明，同时监控也没抓到小程序的错误 领券文档：https://doc.weixin.qq.com/doc/w3_AJUAqAYGADAr5OqK1tVTOC9RVeaF1?scode=AJEAIQdfAAob87tRZwARkAvgZTAN4

- 当前 Bug 的表现（可附上截图） tarbar 图标有时候不显示 - 预期表现 - 复现路径 [图片] - 提供一个最简复现 Demo