Rapid scada ошибка при обновлении текущих данных

When I use admin/12345 to log in Rapid SCADA，a error occured. The ScadaWeb.log is
2018-12-18 11:08:41 <.NET v4.5> Connect to SCADA-Server «localhost»
2018-12-18 11:08:46 <.NET v4.5> Error connecting to SCADA-Server: 无法从传输连接中读取数据: 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。。
2018-12-18 11:08:46 <.NET v4.5> Disconnect from SCADA-Server
2018-12-18 11:08:46 <.NET v4.5> Error refreshing the tables of the configuration database:
Scada.ScadaException: Unable to receive the configuration database modification time.
在 Scada.Client.DataCache.RefreshBaseTables()
2018-12-18 11:08:46 <.NET v4.5> Unable to connect to SCADA-Server. Try again.
2018-12-18 11:08:46 <.NET v4.5> Unsuccessful login attempt: admin — Server is unavailable. IP address: ::1

Then I check the ScadaServerService status, it reports running. How can I slove this problem? My rapid scada version is 5.5.3, ,download from «https://rapidscada.org/download-all-files/»,OS version is win10.

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Получаю ошибку при попытке подключится к OPC серверу
Ошибка при обзоре узла текущих данных
на фоне видно текущие данные OPC сервера

по факту к OPC серверу подключается, но не отображает текущие данные