先执行,这一步是把所有的插件都加上Xcode 7.1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.plist DVTPlugInCompatibilityUUID
然后执行
defaults delete com.apple.dt.Xcode DVTPlugInManagerNonApplePlugIns-Xcode-7.1
最后重启Xcode,然后亲爱的插件们就都回来啦