public static void WriteLogs(string fileName,string type,string content)
{
    string path = AppDomain.CurrentDomain.BaseDirectory;
    if (!string.IsNullOrEmpty(path))
    {
        path = AppDomain.CurrentDomain.BaseDirectory + fileName;
        if (!Directory.Exists(path))
        {
            Directory.CreateDirectory(path);
        }
        path = path + "\\" + DateTime.Now.ToString("yyyyMMdd");
        if (!Directory.Exists(path))
        {
            Directory.CreateDirectory(path);
        }
        path = path + "\\" + DateTime.Now.ToString("yyyyMMdd") + ".txt";
        if (!File.Exists(path))
        {
            FileStream fs = File.Create(path);
            fs.Close();
        }
        if (File.Exists(path))
        {
            StreamWriter sw = new StreamWriter(path,true,System.Text.Encoding.Default);
            sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + type + "-->" + content);
            sw.WriteLine("----------------------------------------");
            sw.Close();
        }
    }
}