Log4Net没有创建.txt文件吗？

<log4net>
  <appender name="FileAppender" type="log4net.Appender.FileAppender">
    <file value="logs/mylog.txt" />
    <appendToFile value="true" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
    </layout>
  </appender>
  
  <root>
    <level value="DEBUG" />
    <appender-ref ref="FileAppender" />
  </root>
</log4net>

using log4net;
using log4net.Config;

public class MyClass
{
    private static readonly ILog log = LogManager.GetLogger(typeof(MyClass));

    public static void Main(string[] args)
    {
        // 初始化Log4Net
        XmlConfigurator.Configure(new FileInfo("log4net.config"));

        // 记录日志
        log.Debug("This is a debug message.");
        log.Info("This is an info message.");
        log.Warn("This is a warning message.");
        log.Error("This is an error message.");
        log.Fatal("This is a fatal message.");
    }
}