1.打开终端（Terminal），进入项目目录下
Last login: Sun Aug 13 13:38:10 on ttys001
xilanglangdeMacBook-Pro:~ xinshaofeng$ cd /Users/xinshaofeng/Work/Found
xilanglangdeMacBook-Pro:Found xinshaofeng$ ls
Found Podfile README.md
Found.xcodeproj Podfile.lock
Found.xcworkspace Pods
2.在终端输入：
git rm --cached [YourProjectName].xcodeproj/project.xcworkspace/xcuserdata/[ YourUsername].xcuserdatad/UserInterfaceState.xcuserstate
xilanglangdeMacBook-Pro:Found xinshaofeng$ git rm --cached Found.xcodeproj/project.xcworkspace/xcuserdata/xinshaofeng.xcuserdatad/UserInterfaceState.xcuserstate
rm 'Found.xcodeproj/project.xcworkspace/xcuserdata/xinshaofeng.xcuserdatad/UserInterfaceState.xcuserstate'
3.在终端键入 git commit -m "Removed file that shouldn't be tracked"
xilanglangdeMacBook-Pro:Found xinshaofeng$ git commit -m "Removed file that shouldn't be tracked"
[master fc0601e] Removed file that shouldn't be tracked
2 files changed, 4 insertions(+)
delete mode 100644 Found.xcodeproj/project.xcworkspace/xcuserdata/xinshaofeng.xcuserdatad/UserInterfaceState.xcuserstate
xilanglangdeMacBook-Pro:Found xinshaofeng$
4.重新打开Xcode commit, push