change the table names when using ASP.NET Identity https://stackoverflow.com/questions/19460386/how-can-i-change-the-table-names-when-using-asp-net-identity

IdentityModels.cs

    public class ApplicationUser : IdentityUser
    {
        public string Name { get; set; }
        public int? Age { get; set; }
        public string Sex { get; set; }
        public string Desc { get; set; }

        public async Task<ClaimsIdentity> GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
        {
            // 请注意，authenticationType 必须与 CookieAuthenticationOptions.AuthenticationType 中定义的相应项匹配
            var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
            // 在此处添加自定义用户声明
            return userIdentity;
        }
    }
    
    public class ApplicationRole : IdentityRole
    {
        public string RoleName { get; set; }
        public string RoleCode { get; set; }
        public DateTime? CreateTime { get; set; }
        public string Remark { get; set; }
    }

    public class ApplicationDbContext : IdentityDbContext<ApplicationUser, ApplicationRole, string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
    {
        public ApplicationDbContext() : base("DB")
        {
        }

        public ApplicationDbContext(string nameOrConnectionString) : base(nameOrConnectionString)
        {
        }

        public static ApplicationDbContext Create()
        {
            return new ApplicationDbContext();
        }
        
        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            base.OnModelCreating(modelBuilder);

            modelBuilder.Entity<ApplicationUser>().ToTable("Users");

            modelBuilder.Entity<ApplicationRole>().ToTable("Roles");

            modelBuilder.Entity<IdentityUserRole>().ToTable("UserRoles");

            modelBuilder.Entity<IdentityUserClaim>().ToTable("UserClaims");

            modelBuilder.Entity<IdentityUserLogin>().ToTable("UserLogins");
        }
    }