Plug-in can not open with my daw cubase12,only in juceplug-inhost

Hi,Everyone I am a newer for developing juce audio plug-in.
I just create a demo like slider listener to control the volume.And I build in x64 with my visual studio 2022,
Both dll file and vst3 file create well.But my cubase or au could not open the vst well,it shows 32bits-plug-in is out time.What should i do?I do not know whether my plug-in is 64-bit.How to check it?How can i build a right format project wiht plug-in.

This is my file folder