Our wordpress is build by a theme that provide ask and answer functions, please see
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However, we do have a lot posts in defualt post type and we need to switch these posts to the customized post type in our theme.
I tried to use post type switcher plugin, the post type changed, but all the comments in defualt post type doesn't display in the customized post type.
I ask the author of the theme, it looks like it requires some Mysql edit to make the comments display in the customized post type.
I want someone to develop a plugin for use, so we could do it in the admin panel without change our mysql manually.