startBtn.png
size: 620, 158
format: RGBA8888
filter: Linear, Linear
repeat: none
saoguang
  rotate: true
  xy: 362, 24
  size: 132, 256
  orig: 256, 256
  offset: 60, 0
  index: -1
开始按钮
  rotate: false
  xy: 2, 2
  size: 358, 154
  orig: 358, 154
  offset: 0, 0
  index: -1