vkSdkAccessAuthorizationFinishedWithResult no response

[Panda-K]

I downloaded vk-ios-sdk 1.6.3, and run the example, then I clicked "Get new access token" button, it jumped to the authorize page, and then I input my account and pwd, then it loading forever.
At the same time, I added a breakpoint in vkSdkAccessAuthorizationFinishedWithResult function, but it never run into the function.
Counld you please help me to solve this issue? thanks!

iOS 15.6