Disable Light Mode in Widget Extension iOS 14

My app is supporting DarkMode only, and I'm doing integrate Widget for iOS 14.

Is there any way to disable the LightMode for Widget? (Already add UIUserInterfaceStyle in the main app .plist but doesn't work for Widget)

• Stock's Widget always displaying DarkMode even in Editting mode.

I tried to use @Environment(\.colorScheme) var colorScheme but when open the Edit Mode of Widget, Light Theme still available.