Android版的微信小程序底层bringToFront报错

手机系统：android 9

SDKVersion ：2.9.5

wechatVersion：7.0.8.1540(0x27000834)

webviewScriptError

Cannot read property ‘bringToFront’ of undefined

TypeError: Cannot read property ‘bringToFront’ of undefined

at i.<anonymous> (<anonymous>:1:1192732)

at <anonymous>:1:343462

at Object._ (<anonymous>:1:1441)

at Object.ret.invokeCallbackHandler (<anonymous>:16:28)

at <anonymous>:1:67