in wrong first

I am using VS2019,. Net 5.0 & # xff0c; Construction project is to choose the "core asp.net MVC", see error message should be "Program. Cs" this file is wrong & # xff0c; But this is automatically generated & # xff0c; I didn't touch it & # xff0c; I am changed Startup. Cs & # xff0c; To write some rely on

this is AppDbContext cs file

this is connect to the database file