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What problem were solved in this pull request?
Issue Number: close #598
Problem:
评论框已显示,但提交时报错 "Unable to create discussion"。
原因(可能):Giscus App 未安装在
oceanbase/miniob仓库。解决方法:
安装后,功能如果生效,评论会写入 "Comments" 分类。