C# 創建txt文本

/// <summary>
        /// log日志，txt的
        /// </summary>
        /// <param name="Log1">內容</param>
        /// <param name="name">名字</param>
        /// <param name="path">路徑</param>
        public void Logmsg(string Log1, string name, string path)
        {
            #region 創建日志
            Log = "";
            Log += Log1 + "\r\n";

            //生成目錄
            //創建文件夾
            if (Directory.Exists(path) == false)//如果不存在就創建file文件夾
            {
                Directory.CreateDirectory(path);
            }

            // 判斷文件是否存在，不存在則創建，否則讀取值顯示到txt文檔
            if (!System.IO.File.Exists(path + "/" + name + "_Log" + DateTime.Today.ToString("yyyy-MM-dd") + ".txt"))
            {
                FileStream fs1 = new FileStream(path + "/" + name + "_Log" + DateTime.Today.ToString("yyyy-MM-dd") + ".txt", FileMode.Create, FileAccess.Write);//創建寫入文件 
                StreamWriter sw = new StreamWriter(fs1);
                sw.WriteLine(Log);//開始寫入值
                sw.Close();
                fs1.Close();
            }
            else
            {
                FileStream fs = new FileStream(path + "/" + name + "_Log" + DateTime.Today.ToString("yyyy-MM-dd") + ".txt" + "", FileMode.Append, FileAccess.Write);
                StreamWriter sr = new StreamWriter(fs);
                sr.WriteLine(Log);//開始寫入值
                sr.Close();
                fs.Close();
            }
            #endregion
        }