CSharp: donet 7 create logging File with EF Core 7.02

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/// <summary>        /// https://learn.microsoft.com/zh-cn/ef/core/logging-events-diagnostics/simple-logging        /// </summary>        /// <param name="optionsBuilder"></param>          protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)        {              //读取配置文件            var config = new ConfigurationBuilder()                .SetBasePath(Directory.GetCurrentDirectory()) //Environment.CurrentDirectory                .AddJsonFile("appsettings.json")                .AddInMemoryCollection()                .Build();            var connStr = config["ConnectionStrings:GeovinDuDbContext"];            //日志            //optionsBuilder.UseLoggerFactory(loggerFactory);           optionsBuilder.LogTo(_logStream.WriteLine);          //  optionsBuilder.LogTo(Console.WriteLine).EnableDetailedErrors();          //  optionsBuilder.LogTo(Console.WriteLine,LogLevel.Debug,DbContextLoggerOptions.UtcTime | DbContextLoggerOptions.SingleLine);            // optionsBuilder.UseSqlServer("Server=DESKTOP-NQK85G5\\GEOVIN2008;Database=geovindu;User Id=sa;Password=geovindu;");              optionsBuilder.UseSqlServer(connStr);        }        //日志文本        private StreamWriter _logStream = new StreamWriter("geovindulog.txt", append: true);        /// <summary>        ///        /// </summary>        public override void Dispose()        {            base.Dispose();            _logStream.Dispose();        }        /// <summary>        ///        /// </summary>        /// <returns></returns>        public override async ValueTask DisposeAsync()        {            await base.DisposeAsync();            await _logStream.DisposeAsync();        }