Ionic ios project build faild

When I upgrade ionic and xcode, I add a platform ios. This command ionic emulate ios not work for me. So I try to open xcode project, and I get this message linker command failed with exit code 1 (use -v to see invocation). How to fix it?

ionic : 1.3.22
cordova : 5.0.0
xcode : 6.3.1

I have the same error, please help!