fix multi key lock mechanism
fix multi key lock mechanism

lsm/ardb,cloudrain21/ardb,wfxiang08/ardb,yinqiwen/ardb,placrosse/ardb,tempbottle/ardb,wfxiang08/ardb,yinqiwen/ardb,tempbottle/ardb,lsm/ardb,placrosse/ardb,bssrdf/ardb,spitfire2/ardb,bssrdf/ardb,cloudrain21/ardb,spitfire2/ardb