For multi-camera mode switching, the SetViewTargetWithBlend node is widely used on the Internet, but many camera parameters of this node cannot be set, and it is not suitable for multi-camera mode switching in games.
In fact, the camera tied to the Pawn by default in UE will automatically become the main camera. We only need to hang a few more Cameras on the Pawn, and only open one by default through the SetActive node to realize camera switching: