在开发的过程中，调用金山wps应用程序，word,execl都顺利的打开，但是打开ppt的时候，会报未知异常，请指教。
Activity cn.wps.moffice.presentation.Presentation1 has leaked IntentReceiver cn.wps.moffice.presentation.ui.views.f$4@41a8f810 that was originally registered here. Are you missing a call to unregisterReceiver()?

android.app.IntentReceiverLeaked: Activity cn.wps.moffice.presentation.Presentation1 has leaked IntentReceiver cn.wps.moffice.presentation.ui.views.f$4@41a8f810 that was originally registered here. Are you missing a call to unregisterReceiver()?