animation 动画在ios真机上无效

• 当前 Bug 的表现（可附上截图）

        红包转的效果  直接打开

• 预期表现

• 复现路径

• 提供一个最简复现 Demo

this.animation = animation

animation.rotate3d(0,180,0,180).step()

animation.rotate3d(0,0,0,180).step()

animation.rotate3d(0,180,0,180).step()

animation.rotate3d(0,0,0,180).step()

animation.rotate3d(0,180,0,180).step()

animation.rotate3d(0,0,0,180).step()

animation.rotate3d(0,180,0,180).step()

animation.rotate3d(0,0,0,180).step()

this.setData({

redAnimationData:animation.export()

})