IOS framework problem

I built a framework on xcode for ue4 plugin,ue4 ios package done with no error,but my ipad cant launch the app
here is the log:

Referenced from: /var/containers/Bundle/Application/EDB6FA91-60A6-47BD-8664-E74E928F6EFA/IOSPluginTest.app/IOSPluginTest | Reason: image not found

so any tutorial for ios framework build for ue4?

thank you for help