https://answers.atlassian.com/questions/15282793/sourcetree-how-to-show-commit-information-panel
执行命令：
defaults delete com.torusknot.SourceTreeNotMAS "NSSplitView Subview Frames repowindow_LogViewDescSplitter"
重启sourceTree
SourceTree commit information window消失解决办法
原文：http://www.cnblogs.com/yibinpan/p/6369497.html