[BUG] 使用GraphScope Playground时登录https://try.graphscope.app/，显示服务已经挂了

[Henryzhao-666]

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[lidongze0629]

@Henryzhao-666 Thanks for reporting this problem, the GS Jupyterhub playground serves under the domain try.graphscope.io

[github-actions[bot]]

/cc @yecol @sighingnow, this issus/pr has had no activity for a long time, please help to review the status and assign people to work on it.