Got this message from apple store. It seems to render on ipad but layout got broken. Is there any thing I can do to fix it easily?

Guideline 2.4.1 - Performance - Hardware Compatibility

We noticed that your app did not run at iPhone resolution when reviewed on iPad running iOS 10.3.3.

Next Steps

To resolve this issue, please revise your app to ensure it runs and displays properly at iPhone resolution on iPad. Even if your app was developed specifically for iPhone, users should still be able to use your app on iPad.

Resources

For information on iOS device screen sizes and resolutions, please review the iOS Human Interface Guidelines as well as Points versus Pixels in the View Programming Guide for iOS.

You may also want to view Size Classes and Core Components for more information about designing apps for multiple screen sizes.