koobas.hobune.stream
New prefab system problem
Hi ~ My Unity version is 2019.1.0f2, I have a problem with new prefab system, I used fbx modle file creating a prefab like this 
There are 3 Materials in the model, Then I update the fbx model,delete 2 materials , so my new fbx model just have one material the color is red,I replaced this fbx file in the project folder,The problem like this 
My fbx file is update， but my prefab isn't update still have 3 materials， My fbx include parameter use "legacy", and i use "embeded materials" the problem is still。 Please！！ I have a lot of such files to deal. I use old prefab system isn't have this problem.
Can anyone help me?
