Code clean up 2
Code clean up 2

tim777z/jit,shzy2012/jit,printedheart/jit,shelsonjava/jit,mcanthony/jit,shelsonjava/jit,shelsonjava/jit,mcanthony/jit,philogb/jit,printedheart/jit,tim777z/jit,pingjiang/jit,shzy2012/jit,printedheart/jit,pingjiang/jit,pingjiang/jit,mcanthony/jit,philogb/jit,tim777z/jit,shzy2012/jit