It's back again.

1 I used API: CMTimebaseCreateWithSourceClock, not CMTimebaseCreateWithMasterClock, BUT when I remove the API : CMTimebaseCreateWithSourceClock, my app can normaly uploaded to appconnect without reject, after add CMTimebaseCreateWithSourceClock back, the message : ITMS-90338: Non-public API usage - The app references non-public symbols in : _CMTimebaseCreateWithMasterClock come back.