NX 12.0 中文帮助文档安装后出现错误，求解决！

176527212*

安装NX 12.0 中文帮助文档不能打开，出现下述错误：Sorry, an unexpected error occurred!

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Message: Could not access HTTP invoker remote service at [http://127.0.0.1:8282/data_services/dataManagerService]; nested exception is java.io.IOException: Did not receive successful HTTP response: status code = 503, status message = [Service Unavailable]

Path: http://localhost:8282/tdoc/nx/12/nx_help/

Timestamp: 2018-04-26 11:28:10

求解决！

3D世界网-零

UG 12.0 帮助文档 sorry， an unexpected error occurred  解决方法
http://www.ugsnx.com/thread-206375-1-1.html
(出处: UG爱好者)