出现VR场景后，锁屏，再打开，VR场景就会消失，报以下错误。
MiniProgramError
Cannot read property 'boundingSphere' of null
TypeError: Cannot read property 'boundingSphere' of null
at ImagePanorama.raycast (app-service.js:2855:103)
at Tc (app-service.js:2588:55)
at Jd.intersectObject (app-service.js:2935:295)
at Ze.checkObjectIntersect (app-service.js:3913:45)
at Ze.getTouchPosition (app-service.js:3908:19)
at Ze.onTouchStart (app-service.js:4027:24)
at Ze.P (WASubContext.js:2:2050144)
at tt (WASubContext.js:2:2069263)
at at (WASubContext.js:2:2087741)
at Function.
你好 请问最后解决的 我也碰到这个问题了 手机预览 黑屏后 再打开就黑屏了 代码也报错了
请具体描述问题出现的流程，并提供问题机型、能复现问题的简单代码片段https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html