Widget not display in android device

HI guys, I facing a issue that I create a widget in my game project. it function well in [Play selected viewport ], but it not display the widget in[Mobile preview ES3.1] and my android device. I’m just learn by myself in this few month .I have been search ‘how to solve this issue’ in youtube, website, but still can’t get a solution to fix this issue. here is my blueprint and the running game sreenshot.

Finally I solve the problem with upgrade the UE version to 4.26.0.