[渲染层错误] TypeError: Cannot read property 'pageX' of undefined

    at window.addEventListener.capture (http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:593186)

    at n.handleCoverViewTouch (http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:623639)

    at http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:1003098

    at Array.forEach (<anonymous>)

    at http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:1003078

    at http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:306638

    at Array.forEach (<anonymous>)

    at d (http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:306616)

    at i (http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:307864)

    at http://127.0.0.1:50595/__pageframe__/__dev__/WAWebview.js?t=wechat&s=1612762506005&v=2.15.0:2:308096

[渲染层错误] Uncaught

我在使用了自定义tabBar（custom-tab-bar）在编译后，快速在3个TabBar间来回切换就会出现上面问题

请问怎么解决啊？这是为啥？？？