fix one thread violation
fix one thread violation

kyuhojeong/ipop-tincan,birdyhuang/ipop-tincan,ipop-project/ipop-tincan,kcratie/ipop-tincan,kcratie/ipop-tincan,kyuhojeong/ipop-tincan,birdyhuang/ipop-tincan,ipop-project/ipop-tincan