/// <summary>
 /// 设置数据库连接配置信息
 /// </summary>
 /// <param name="initConfig">初始化目标数据库配置</param>
 /// <param name="downloadConfig">下载源数据库配置</param>
 public static void SetConnection(DBConfig initConfig, DBConfig downloadConfig)
 {
     DBConnectionRoot.InitDBConnection           = initConfig;
     DBConnectionRoot.DownloadSourceDBConnection = downloadConfig;
 }