add goroutine safe map
add goroutine safe map

horryq/leaf,abel/leaf,zhutaorun/leaf,catinred2/leaf,sinuos/leaf,freeznet/leaf,GangWang/leaf,w4ngyi/leaf,wmydz1/leaf,name5566/leaf,yangxianjun/leaf,gale320/leaf,voidException/leaf,linmingren/leaf,deliangyang/leaf