ios 8.4 app build with XE8 update1, after run for a while, it will crash.

ios 8.4 app build with XE8 update1, after run for a while, it will crash.

It may be crash at anywhere, seems not my software bug.

But i can't debug with xe8 update1+xcode6.4+ios8.4 pad air, when start with debug, 
it will close the app after start.

I have try this. but...
https://forums.embarcadero.com/thread.jspa?threadID=115497&tstart=0

Please help me.

thanks

Joes.