fix bug of map
fix bug of map

junjiem/CBoard,xiaochen2012/CBoard,xiaochen2012/CBoard,hjtoday/CBoard,junjiem/CBoard,yzhang921/CBoard,hjtoday/CBoard,xiaochen2012/CBoard,junjiem/CBoard,yzhang921/CBoard,hjtoday/CBoard,junjiem/CBoard,yzhang921/CBoard,yzhang921/CBoard,xiaochen2012/CBoard,hjtoday/CBoard