[Bug]Create a Widget on Actor using Blueprint cann't be rendered

Firstly I create a new Actor Blueprint class in my Content Viewport, then I open it in Blueprint Editor and add Cube Component on it then save and compile it.
I create a new Widget Blueprint in my Content Viewport, then open it in Widget Blueprint Editor and create a Image Widget on it. Then select a image to set the Apperance on the Image Widge and save and compile it.

I spawn the Actor to the eigine and create my Widget Blueprint class and set the blueprint widget class to the actor I created using SetWidget function, but it cann’t be rendered in UE4.23.
It can Be Rendered and Showed if I press F8.
I alse tested it in in UE4.20 and there are no any problem.

Here are my Blueprint Class:

Actor Class:

Look forward to your replay, thx.

Hello,

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Thanks