Problem
已有wiki文档时，不小心点击了重新生成，有生成了一遍。
Solution
能够加上二次确认按钮或者其他方式，避免误操作重新生成wiki文档
Use Case
When would you use this?
Priority
-
High - Blocking issue -
Medium - Important improvement -
Low - Nice to have
Additional Info
(Optional: screenshots, examples, links)
