在uniapp，打包成app，显示白屏，运行在安卓手机模拟器也是白屏，然后就报了以下错误，
reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->Uncaught TypeError: Cannot read property 'childNodes' of undefined
at (app-service.js:140548:154)
at webpack_require (app-service.js:80:30)
at (app-service.js:140274:14)
at webpack_require (app-service.js:80:30)
at (app-service.js:140239:13)
at webpack_require (app-service.js:80:30)
at (app-service.js:139895:15)
at webpack_require (app-service.js:80:30)
at (app-service.js:140853:15)
at __webpack_require__ (app-service.js:80:30)
