proBuilder material turn black解法：
Unity Preferences->ProBuilder Basic->Disable Auto UV2 Generation打勾。
参考:http://www.protoolsforunity3d.com/forum/index.php?/topic/1073-probuilder-bug-mesh-rendering-all-black-when-editing/
proBuilder material turn black
原文：http://www.cnblogs.com/wantnon/p/5598193.html