Fix zindex.
Fix zindex.

FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup