System.Exception: 找不到文件：D:\ERP服务\DMS\CZSC.doc
   at KingBos.AppService.Host.InstallService.OutPutFile(HttpListenerResponse response, String fileName, Byte[] appendData, Int32 offset, Int32 count, Boolean enableGZip)
   at KingBos.AppService.Host.InstallService.GetContextCallBack(IAsyncResult ar)