fixed a bug that subscribing an event by mistake, the original purpose was to unsubscribe it
fixed a bug that subscribing an event by mistake, the original purpose was to unsubscribe it

fryderykhuang/SuperSocket,jmptrader/SuperSocket,chucklu/SuperSocket,fryderykhuang/SuperSocket,chucklu/SuperSocket,ZixiangBoy/SuperSocket,ZixiangBoy/SuperSocket,jmptrader/SuperSocket,ZixiangBoy/SuperSocket,chucklu/SuperSocket,fryderykhuang/SuperSocket,jmptrader/SuperSocket