1.关闭Xcode.
2.打开终端，输入以下代码获取到DVTPlugInCompatibilityUUID.
$defaults read /Applications/Xcode.app/Contents/Info DVTPlugInCompatibilityUUID
3.然后输入如下命令 【最后�一串数字换成上一步获取到的DVTPlugInCompatibilityUUID】
$ find ~/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins -name Info.plist -maxdepth 3 | xargs -I{} defaults write {} DVTPlugInCompatibilityUUIDs -array-add defaults read /Applications/Xcode.app/Contents/Info DVTPlugInCompatibilityUUID
4.成功.
PS:一键设置！
find ~/Library/Application\Support/Developer/Shared/Xcode/Plug-ins-nameInfo.plist-maxdepth3|xargs-I{} defaults write {} DVTPlugInCompatibilityUUIDs-array-adddefaults read /Applications/Xcode.app/Contents/Info.plist DVTPlugInCompatibilityUUID
