[PATCH] Bug fix client apps because of output change

[Wang, Quanxian]

Hi, Pq


>>
>>Is there a reason why the background window does not need the
>>min_allocation changed?
>[Wang, Quanxian] With testing, this doesn't make error. Let me double check that.

[Wang, Quanxian] According to the logic, we need set the min_allocation because of background should overwrite the whole output.
I have done with testing with set and not set. Nothing wrong happens in this condition. I add that in next updated patch.