1. 主要是，没有ui，各种按钮都不爽
2.
效果测试~
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03. .....我还以为跟知乎一样永久折叠。。。。。
9. 真tm长/手动滑稽🙄
14. 回复的折叠功能看源网页才明白，点楼层号、
17. @零玖，@零玖，@零玖，@零玖，@高手在田间，@c，@零玖，@零玖，@零玖，@零玖，@零玖，@零玖，@零玖，@零玖，@零玖，@c，@c，@c，@c，@c，@c，@c，@c，很尴尬的问题是，正如你所看到的这样，明明想点击折叠的，但是因为最开始是一个@符号，就造成了这种效果
18. 评论～～不能折叠……