1、出现Bug的操作步骤：

① 已有一个主题A

② 创建了新的新的主题A2 (也就是本来想使用主题A，但是多框选了一个别的字符进去)

③ 进入主题A2，删除字符2，再点击编辑区星标图案旁的3个点，选择删除主题，点击确定，然后啥都没有发生

2、您所使用的工具版本

网页版：v0.9.8.25

设备版本： 台式机

操作系统版本：win10 2004

浏览器版本：edge  91.0.864.54

3、console log

all.js?v=0.9.8.25:66 roamedit version 0.9.8.25

all.js?v=0.9.8.25:68 Uncaught SyntaxError: Invalid regular expression: /负载因子 (load factory))/: Unmatched ')'

    at new RegExp (<anonymous>)

    at Object.isUnlinked (all.js?v=0.9.8.25:68)

    at Proxy.<anonymous> (basic.js?v=0.9.8.25:14)

    at Object.groupMentions (all.js?v=0.9.8.25:68)

    at Proxy.<anonymous> (basic.js?v=0.9.8.25:14)

    at Object.render (all.js?v=0.9.8.25:68)

    at Proxy.<anonymous> (basic.js?v=0.9.8.25:14)

    at all.js?v=0.9.8.25:68

25all.js?v=0.9.8.25:68 Uncaught SyntaxError: Invalid regular expression: /(\[\[|《|【)(负载因子 (load factory)))(\]\]|》|】)/: Unmatched ')'

    at new RegExp (<anonymous>)

    at HTMLSpanElement.<anonymous> (all.js?v=0.9.8.25:68)

    at Function.each (basic.js?v=0.9.8.25:1)

    at f.fn.init.each (basic.js?v=0.9.8.25:1)

    at Object.after_nodeView_prepareData (all.js?v=0.9.8.25:68)

    at Object.after_nodeView_prepareData (basic.js?v=0.9.8.25:14)

    at Object.invoke (basic.js?v=0.9.8.25:14)

    at c.prepareData (basic.js?v=0.9.8.25:14)

    at c.save (all.js?v=0.9.8.25:66)

    at c.save (basic.js?v=0.9.8.25:14)