Lightmap works wrong which baked in win and show in mac

I baked the lightmap in win7 and when I see it in mac,it works wrong.I use the Unity 5.1.1f1 and the source control is svn.

49389-win7.jpg

win7 effects.

49390-mac.jpg

mac effects

Do anybody know the reason? Thanks a lot.

Could be related to this:

Try re-baking your lightmap data on the target machine (Mac). If you bake it on the machine that you’re targeting, it should work.