Meeting SDK for Windows, click SetDomain , the app is not responding

I’m using Meeting SDK For Windows, version v5.16.10.26236

When I download and Release it and run sdk_demo_v2.exe, after I click SetDomain , the app is not responding.

Please help with an effective solution, Thank you very much!

@474548158 , are you using Windows (C++) or Windows (C#) sample code?

Please tag me in your response